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Join our innovative team at Lever where we are redefining the recruitment landscape! Lever, founded a decade ago, is on a mission to solve the most pressing challenge in talent acquisition: attracting and hiring top talent. Our state-of-the-art hiring software is trusted by industry leaders like Netflix, Yelp, Cirque du Soleil, Shopify, and Spotify to elevat…
About DepthFirst AIAt DepthFirst, we recognize that software serves as the backbone of modern civilization, yet its vulnerabilities pose significant risks to integrity, security, and resilience. Our mission is to address these security challenges head-on.We are pioneering the development of intelligent systems that autonomously identify and remediate critical software vulnerabilities. Our focus lies in training and scaling AI agents to uncover zero-day vulnerabilities across extensive customer codebases and widely-used open-source software.Our esteemed founding team brings a wealth of experience in security and large language models, featuring technical leaders from industry giants such as DeepMind, Databricks, Square, and Faire. We are in search of talented individuals eager to explore the intersection of AI, security, and infrastructure.About the Role:We are on the lookout for a seasoned Backend Engineer who will spearhead the creation of the world's first AI-native platform dedicated to autonomously identifying and resolving software vulnerabilities in code. You will be integral to developing the infrastructure that drives our security AI agents, tackling challenges related to large-scale code execution, complex agent orchestration, evaluation benchmarks, and training pipelines. We prioritize engineering excellence and secure designs capable of scaling for thousands of enterprise-level users. Your contributions will be pivotal in redefining how businesses approach security.What Excites You About This Role:Technical Leadership: Mentor team members, establish technical direction, and set best practices for backend engineering at DepthFirst.Architect and Scale: Develop complex coding agent pipelines that efficiently scan and execute large codebases to identify intricate vulnerabilities.Benchmark Development: Build, maintain, and refine evaluation benchmarks for AI agents that mirror real-world user challenges.Ownership: Take charge of our product, influencing its architecture, performance, and long-term success.Impactful Work: Participate in a project that addresses critical security issues. Our initial customers have already seen significant value in resolving vulnerabilities shortly after adopting our solution.
About depthfirstAt depthfirst, we recognize that software is the cornerstone of contemporary society, yet it is continuously threatened by vulnerabilities that undermine its integrity, security, and resilience. Our mission is to fortify the world's software.We are pioneering intelligence solutions to identify and address critical software vulnerabilities. Our focus lies in training and scaling security AI agents to uncover zero-day vulnerabilities across extensive customer codebases and widely-used open-source software.Our founding team boasts extensive expertise in data, infrastructure, security, and AI, featuring leaders from renowned organizations such as DeepMind, Databricks, Square, and Faire.About This RoleWe are in search of a Forward Deployed Engineer to engage directly with our clients, deploying and operationalizing depthfirst's security AI agents within their environments. In this role, you will serve as the technical conduit between our product offerings and enterprise security infrastructure, ensuring our AI effectively identifies vulnerabilities at scale.You will collaborate closely with clients to understand their unique security challenges, develop custom integrations on top of depthfirst's platform, and work alongside our product team to refine and generalize solutions. This position merges hands-on engineering work with in-depth customer collaboration, allowing you to influence both customer experiences with depthfirst and the evolution of our product.What You'll Be DoingIntegrate depthfirst's security AI agents into production environments for enterprise clientsEstablish strong relationships with security teams, becoming a trusted advisorTranslate client challenges into practical solutions: develop custom integrations, data pipelines, and workflows that connect depthfirst with existing security toolsAct as a liaison between customers and the product team—identify deployment patterns and collaborate to enhance platform capabilitiesEffectively communicate with a range of stakeholders, from security engineers to Chief Information Security Officers (CISOs)Manage the complete technical delivery process, from scoping and implementation to optimizationTravel to client sites as necessary to ensure successful project outcomes
About BuildkiteAt Buildkite, we strive to empower developers worldwide by reinventing software delivery. Our platform is designed to be fast, reliable, secure, and scalable, serving high-growth tech companies such as Airbnb, Canva, Shopify, PagerDuty, and Lyft.Job OverviewWe are seeking a Senior Community Engineer to cultivate the Buildkite community, leveraging customer trust and enthusiasm to foster technical distribution and establish credibility through authentic engagement. This role is a technical ambassador for Buildkite, representing us online, within the ecosystem, and in-person in the Bay Area. Your mission is to instill a profound sense of confidence in developers that Buildkite is not just a tool, but a serious, culturally unique solution crafted by builders for builders.Your responsibilities will include creating and delivering tangible prototypes, actively participating in key conversations with insightful contributions, transforming customer experiences into compelling narratives, and nurturing a sense of community belonging. Your success will be measured by the trust you build within the community. We are committed to maintaining high standards and will only consider candidates with a strong engineering background, deep familiarity with development tools, and a record of community engagement. What You’ll DoBe an Aspiring EngineerDeliver production-grade reference implementations that exemplify excellence with Buildkite.Develop and sustain tools and plugins that address real challenges and elevate the ecosystem.Maintain public artifacts with diligence: versioned, documented, tested, and cared for.Foster the Buildkite CommunityPresent the unique Buildkite perspective on CI, development workflows, reliability, craftsmanship, and future directions.Create engaging experiences that breathe life into Buildkite, including sandboxes, customer stories, impactful posts, insights backed by evidence, walkthroughs, behind-the-scenes builds, live demonstrations, and community rituals that resonate with developers.Consistently and visibly represent Buildkite; you are a vital part of our brand. Be comfortable being recognized, quoted, and occasionally corrected in public.
Contribute to a Safer World.TRM Labs specializes in blockchain analytics and AI solutions designed to assist law enforcement, national security agencies, financial institutions, and cryptocurrency businesses in detecting, investigating, and mitigating crypto-related fraud and financial crimes. Our blockchain intelligence and AI platforms offer advanced tools to trace funds, identify illicit activities, build comprehensive cases, and establish a clear understanding of potential threats. Trusted by top agencies and organizations worldwide, TRM is dedicated to fostering a safer and more secure environment for everyone.At TRM, your coding skills can genuinely make a difference. Our platform empowers governments, financial institutions, and cryptocurrency companies to detect and prevent various financial crimes, from terrorist financing to human trafficking. The Full-Stack Product Engineering team develops essential products and services that facilitate this mission, encompassing everything from customer-facing applications to foundational APIs and internal tools. We seek a motivated early-career engineer eager to make a significant impact by delivering real-world features.As a Product Engineer, you will collaborate with seasoned mentors, product managers, and designers to tackle complex challenges, write production-ready code, and create meaningful features. You will gain experience across the full stack, including React, Node.js, and Postgres, while being part of a dynamic team that is building the infrastructure of trust within the crypto economy.Your Impact:Develop and deploy full-stack features for TRM's core products and internal tools, benefiting from guidance and mentorship from senior engineers.Engage in cross-functional collaboration to clarify project requirements, pose insightful questions, and decompose complex problems into manageable tasks.Acquire skills in designing and developing APIs and services with a focus on scalability, performance, and maintainability.Produce clean, well-tested, and well-documented code that delivers tangible value to TRM's clients and stakeholders.Pursue continuous improvement through feedback, pair programming, and code reviews, demonstrating curiosity and a willingness to learn.Desired Qualifications:A Bachelor’s or Master’s degree in Computer Science or a closely related technical discipline (to be completed by Summer 2026).1–2 internships in software engineering, or equivalent experience gained through academic or personal projects.Familiarity with JavaScript/TypeScript and a passion for web development.
airapps seeks a Software Architect to join the team in San Francisco. This position plays a central role in shaping product architecture and setting technology direction. The architect works to ensure that software solutions are designed for scalability and meet the needs of clients. Key responsibilities Lead the architectural design and set technical direction for both new and existing software products Collaborate with engineering teams to develop solutions that perform reliably and scale effectively Define and refine technology strategy across multiple projects Work closely with stakeholders to align technical decisions with client requirements Location This role is based in San Francisco.
Join Antithesis: Shaping the Future of Software TestingAt Antithesis, we are on a transformative journey to revolutionize the testing and release process of contemporary distributed systems. Our innovative platform is highly regarded by engineering teams that prioritize exceptional reliability, scalable performance, and comprehensive technical insights. We recognize the challenges developers face—whether it's dealing with production outages, stressful on-call weeks, or release delays due to elusive bugs. If you're driven by a passion for developer-centric tools, system resilience, and achieving correctness, we want to hear from you!Your Role as a Solutions EngineerWe seek a creative problem solver, an enthusiast who thrives on challenges and embraces unconventional thinking. As a Solutions Engineer, you will leverage the full suite of Antithesis tools and technologies to identify bugs and disrupt our customers' software positively. You will also play a pivotal role in communicating the groundbreaking approaches to software testing and reliability that Antithesis introduces to the industry.Key ResponsibilitiesConduct Proof-of-Concept (POC) engagements to showcase the value of Antithesis products to prospective customers.Engage in onboarding activities for new customers.Assist the sales team with technical assessments and consultations.Facilitate workshops for customers on Property-based Testing (PBT) and related subjects.Identify bugs within open source software.Provide thought leadership in testing complex systems.Create, maintain, and demonstrate product demos.Guide clients and prospects in utilizing the Antithesis platform and its testing methodologies.
Sesame
About SesameAt Sesame, we envision a future where technology emulates lifelike interaction—machines that can see, hear, and engage with us in ways that feel natural and human. We are innovating a new category of consumer products that integrate voice agents seamlessly into everyday life. Our dynamic team comprises founders from Oculus and Ubiquity6, along with seasoned veterans from Meta, Google, and Apple, all possessing extensive expertise in both hardware and software. Join us in crafting a transformative future where computers truly come alive.Key Responsibilities:Develop Sesame’s proprietary companion app—an essential building block for a groundbreaking consumer product category—while upholding a commitment to excellence and craftsmanship.Collaborate with cross-functional teams in engineering, design, and product management to deliver complex projects that provide exceptional experiences for users.Contribute to the growth of the iOS team at Sesame by championing best practices and cutting-edge iOS app design techniques.Partner with engineers across iOS, Android, and web platforms to strategize the future of mobile and web solutions for Sesame.Essential Qualifications:Deeply intuitive understanding of iOS app aesthetics and design principles.Demonstrated experience in creating delightful, design-centric applications throughout your career.Proven track record as a technical leader, having taken ownership of launching apps or significant features into production multiple times.A strong passion for delivering outstanding products, driven by a desire to understand user needs and find innovative ways to exceed their expectations.Enthusiastic about the intricate engineering processes involved in crafting fast, user-friendly, and revolutionary iOS interfaces.Expertise in minimizing latency in complex iOS applications; adept at overcoming challenges related to networking, architecture, and SDK limitations to enhance interaction speed.Current knowledge of iOS UI/UX design trends; actively engaged in the Apple release cycle and constantly considering how new features can elevate user experience.Extensive hands-on experience with the iOS app development lifecycle, including build processes, testing strategies, and contemporary UI architecture patterns.Preferred Qualifications:Experience with SwiftUI or Combine frameworks.Familiarity with Agile methodologies and project management tools.
Cognition
Join Our Innovative AI Lab as a Deployed Engineer!At Cognition, we are pioneering the future of applied artificial intelligence by creating cutting-edge software agents. As the creators of Devin, the world's first AI software engineer, and Windsurf, an AI-native integrated development environment (IDE), our mission is to revolutionize how engineers collaborate with AI, allowing them to tackle more intriguing challenges and aim for greater aspirations.Our dynamic team comprises highly skilled professionals, including elite competitive programmers, former startup founders, and leaders from renowned AI companies like Scale AI, Palantir, Waymo, and Google DeepMind. Together, we aspire to solve some of the most pressing global challenges through innovative AI solutions.While we've made significant strides with Devin and Windsurf, our most formidable challenges lie ahead. If you are passionate about addressing monumental problems and developing AI capable of real-world reasoning, we invite you to apply and join our mission.Role OverviewAs a Deployed Engineer (DE) at Cognition, you will be at the forefront of our customer experience. Your primary role will be to engage with customers directly, ensuring they derive maximum value from Devin and Windsurf.You will collaborate with engineering teams to comprehend their workflows, pinpoint high-impact use cases, and seamlessly integrate our solutions into their production environments. Leading demonstrations, conducting pilots, and fostering the adoption of the Cognition platform are key responsibilities.This multifaceted role demands both technical expertise and customer-centricity, requiring you to navigate diverse client needs, anticipate challenges, and proactively deliver solutions. You will take ownership of project outcomes, guiding clients through their journey with our technology.Key Responsibilities:Oversee all technical elements of the customer lifecycle, from deployment to activation, ensuring our clients excel in utilizing Devin.Engage closely with customers to identify their technical hurdles and match them with optimal use cases for Devin’s contributions.Cultivate strong relationships with customer engineering teams to facilitate smooth product integration and enhance product adoption.Actively listen to customer feedback, implement requested features, and champion customer needs within the team.Leverage your insights to inform product roadmaps and strategy, acting as the voice of the customer.What We Value:
About Prenuvo Prenuvo is focused on shifting healthcare from reactive to proactive care. Our clinics offer a whole body scan that takes less than an hour, uses MRI technology without ionizing radiation, and requires no contrast. By combining optimized hardware, custom software, and advanced AI, we create a patient-centered experience for people around the world. Our mission: stop hearing, "we caught it too late again." Role Overview: Senior Frontend Engineer II - eCommerce Prenuvo is hiring a Senior Frontend Engineer for the eCommerce team in the San Francisco Bay Area. This position centers on improving the online booking platform, with a direct impact on revenue and customer satisfaction. The work involves refining user flows, reducing friction in booking, and running experiments to drive growth. Expect to shape how customers select scans, schedule appointments, and complete payments. This role suits someone with a startup mindset, strong technical skills, and a focus on data-driven decisions. Ownership extends from feature conception through production. The work directly affects conversion rates and key business outcomes. What You Will Do Enhance eCommerce user experiences for Prenuvo's online booking platform Reduce friction in scan selection, scheduling, and payment flows Experiment and iterate to improve conversion rates and business metrics Own features from initial idea through launch and production support Collaborate with engineers, product managers, and designers to deliver results What We Look For Experience building and refining frontend experiences for eCommerce or similar platforms Comfort with data-driven decision-making and experimentation Ability to work independently and within a high-performing team Startup mentality and willingness to take ownership Why Join Prenuvo? Work with modern technology and a team of experienced professionals Directly impact proactive healthcare and patient outcomes Contribute to a mission that aims to make a real difference in people’s lives
Kiloforge operates as a company factory in San Francisco, using AI to generate, validate, build, and distribute software products for niche communities. The team’s goal is to address overlooked challenges with tailored applications and eventually manage thousands of products, each designed for specific needs. Role overview This founding engineer position centers on building and shipping micro applications at a rapid pace. The work involves developing software for real users, automating processes, and adapting quickly as priorities shift. The environment values experimentation and learning across disciplines. What you will do Develop and release micro applications each week for actual users Continuously improve and automate development workflows Who we're looking for Generalists with broad skills, ideally extending beyond engineering Experience building products that have reached real customers Resourceful and adaptable, able to respond to new challenges Strong instincts for product and design Comfortable with shifting priorities and ambiguity Curious and motivated to learn across different fields Background in founding a company or strong interest in entrepreneurship The team Founders with experience building companies, including one that reached $20M ARR Track record of launching products with thousands of active users Driven to make a meaningful impact Small, agile group of founders and builders Supported by investors such as a16z, Uncork Capital, Y Combinator partners, and Rahul Vohra Why join Kiloforge Collaborate with designers, creatives, and marketers to integrate their expertise into AI-driven workflows Ideal for those ready to take risks and help reshape how software is built and shipped Hands-on experience building and distributing products in an AI-first setting
LangChain
About LangChainAt LangChain, we are driven by our vision to make intelligent agents a fundamental part of everyday life. We lay the groundwork for agent engineering, guiding developers from initial prototypes to production-ready AI agents that organizations can trust. Initially recognized for our extensive open-source tools, we have since evolved to provide a robust platform for building, assessing, deploying, and managing agents at scale.Today, our products, including LangChain, LangGraph, LangSmith, and Agent Builder, are instrumental for teams delivering cutting-edge AI solutions in both startups and large corporations. Millions of developers rely on LangChain to enhance AI capabilities at notable firms such as Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, and Vanta, along with 35% of the Fortune 500.With $125 million raised in our Series B funding from leading investors like IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we are in an exciting phase of growth, continuously innovating our product offerings. Every team member plays a significant role in shaping our technology and collaborative culture at LangChain.Role OverviewWork on-site five days a week in San Francisco, CA or New York, NYWe are seeking a Software Engineer to join our Infrastructure team, focusing on enhancing developer productivity for our LangGraph Cloud/Platform and LangSmith products. You will collaborate closely with Infra, Backend, and Frontend teams to confidently deliver across Kubernetes-based services, APIs, and UI flows. Additionally, you will help establish quality practices tailored to LLM applications, such as prompt regressions and evaluation suites.Develop and manage test strategies across APIs, services, UI, data, and infrastructure (K8s/Terraform/Helm).Create ephemeral test environments in Kubernetes for pull requests and release candidates; generate test data and execute hermetic suites.Advance quality in CI/CD (GitHub Actions): implementing parallelization, caching, deterministic seeds, flake tracking, and quality gates.Enhance test observability: provide rich failure artifacts (videos, logs, traces), Datadog dashboards, and actionable alerts.Ensure performance & reliability: establish baseline SLIs/SLOs for critical paths; conduct capacity tests and regression detection.Collaborate on incident workflows: troubleshoot issues, implement targeted regression tests, and refine runbooks/processes.
Braintrust
About BraintrustBraintrust is a cutting-edge AI observability platform that seamlessly integrates evaluations and observability into a unified workflow. Our platform empowers developers by providing the insights they need to understand AI performance in real time and offers tools to enhance its functionality.Our innovative solutions are trusted by top-tier teams at Notion, Stripe, Zapier, Vercel, and Ramp, allowing them to compare models, test prompts, and detect regressions—transforming production data into superior AI outcomes with every iteration.Location: San Francisco OnlyAs the leading platform for AI evaluations and observability, Braintrust seeks a passionate Developer Relations Engineer to cultivate, engage, and inspire our vibrant developer community.In this role, you will serve as the face of Braintrust to the developer community—crafting informative content, interacting with community members, and relaying valuable insights back to our product and engineering teams. You'll play a key role in shaping how developers learn about evaluations, adopt Braintrust, and advance the field of agentic AI.
Leverdemo-8
Join our dynamic team at Lever as we redefine the landscape of talent acquisition. We are seeking an Innovative Solutions Engineer to help us in our mission to build cutting-edge hiring software utilized by industry leaders like Netflix, Yelp, and Spotify.Lever, founded a decade ago, is at the forefront of transforming how companies recruit and hire top talent. Our commitment to innovation has earned us recognition as the #1 workplace in San Francisco and a top company to work for across the United States. We pride ourselves on our people-first culture and the competitive advantage our talented team brings to our organization.
Join Our Team at MetaviewAt Metaview, we are pioneering the future of work by eliminating the burdens of toil. Toil is the friction that hinders progress, and we combat it with our vision of Human-Computer Symbiosis.Our AI copilots are transforming workflows, enabling:Enhanced flow-state with minimal toil.Increased insights and reduced guesswork.Focus on human-centric solutions rather than process-centric ones.Metaview serves as the AI copilot for hiring, designed by former Uber and Palantir engineers, Siadhal and Shahriar, to alleviate the challenges they encountered in product and team development. Today, we empower thousands at industry-leading companies including Quora, Robinhood, Brex, Elastic, and Replit.Our team is small yet high-performing and dynamic, passionately dedicated to delivering exceptional work.
momentic
Join Momentic and Shape the Future of Quality.At Momentic, we are at the forefront of innovation with our comprehensive quality platform, leveraging cutting-edge AI agents to empower our clients in maintaining quality throughout every phase of the Software Development Life Cycle (SDLC).Leading engineering teams at renowned companies such as Notion, Bilt, Quora, and Xero rely on Momentic to deliver exceptional products. Our platform executes millions of tests daily, ensuring the highest standards of quality.With a vast problem space to explore, we are eager to bring on board several talented software engineers across various tech stacks. Your expertise will help us build and own significant components of our solution.About Our ProductWe are developing an AI-native automated testing platform.Our product is highly integrated into our clients' workflows, serving as a quality gate for every pull request and deployment.We stand out in the market, far surpassing traditional tools like Selenium, Cypress, and Playwright.Experience our platform in action by watching the demo video on our website.About UsWe are a dynamic team of 12 professionals with backgrounds from companies like Robinhood, Retool, WeWork, Qualtrics, and Assembled.Located in San Francisco, we work in a collaborative office environment.Recently, we secured a Series A funding round, raising $15M led by Standard Capital, with participation from our esteemed investors, including Y Combinator, FCVC, and Transpose Platform.Ideal Candidate ProfileYou thrive on tackling complex challenges that involve both product development and technical uncertainties.You possess robust engineering fundamentals, write efficient code, and are aware of your strengths and areas for growth.You prefer hands-on work over meetings and are focused on productivity and delivering results.You excel in environments that grant you autonomy and allow you to manage your own projects.You are located in San Francisco or are willing to relocate, and you value in-person collaboration as part of our company culture.
Whatnot
Join Whatnot as a Feature Platform Engineer, where you will play a crucial role in enhancing our platform's capabilities. You will collaborate with cross-functional teams to design and implement features that enhance user experience and drive engagement. This position offers an exciting opportunity to innovate and influence the direction of our platform.
About SentryAt Sentry, we are on a mission to eradicate the prevalence of poor software. We empower developers to create high-quality software more efficiently, allowing everyone to rediscover the joy of technology.Backed by over $217 million in funding and trusted by more than 100,000 organizations, including industry giants like Disney, Microsoft, and Atlassian, we are developing innovative performance and error monitoring tools that enable teams to focus on building exceptional products instead of fixing bugs.Sentry supports a hybrid work model across our global offices, designating Mondays, Tuesdays, and Thursdays as in-office days to foster collaboration and connection. If you are passionate about creating solutions that enhance the digital experience, join us in developing the next generation of software monitoring tools.About the Role:As a member of the Solutions Engineering team at Sentry, you will play a pivotal role in helping our largest clients seamlessly integrate Sentry into their applications and workflows. This includes everything from SDK integration to ensuring that alerts and issues are directed to the appropriate channels at the right time. Solutions Engineers work directly with customers to guarantee optimal implementation and usage, ensuring that:Developers can swiftly identify and resolve application slowdowns and errors.Development teams enhance productivity and improve customer satisfaction.Your Responsibilities:Identify and understand customer challenges and goals, translating them into actionable implementation and onboarding strategies that deliver tangible business value.Create best practices, educational resources, and content focused on error and performance management, as well as the Sentry product (e.g., instructional articles and videos showcasing product functionality).Serve as a trusted advisor and subject-matter expert, guiding customers in software engineering and monitoring best practices.Conduct workshops with clients to promote deeper engagement and broader adoption of Sentry’s solutions.Collaborate internally to provide valuable feedback to product and development teams, aligning Sentry's product roadmap with efforts to enhance time to value.You Will Thrive in This Role If You:Enjoy discussing technology and interacting with engineers and technical leaders.Flourish in a fast-paced environment, tackling diverse challenges with enthusiasm.
Example org
Join Example org, a premier software company specializing in real-time collaboration on critical workflows. Since our inception in 2012, we have garnered over 10,000 customers globally and have secured backing from esteemed investors, including Example Capital. We recently completed our Series C funding and are valued at $750 million.As the Director of Platform Engineering, you will be a key member of our dynamic team, reporting to the Engineering Manager. Your contributions will be pivotal in enhancing our workflows and driving innovative initiatives.
Roboflow, Inc.
About UsAt Roboflow, our mission is to revolutionize how we perceive and interact with the world through programmable vision. As pioneers in artificial intelligence, we provide developers with the tools and resources to create and implement computer vision models effortlessly.With over 1 million developers, including teams from half of the Fortune 100, leveraging Roboflow's open-source and hosted tools, we are at the forefront of innovation. Our applications range from accelerating cancer research by counting cells to enhancing safety on construction sites, and much more.Supported by esteemed investors such as Y Combinator, Google Ventures, and Craft Ventures, we have raised over $63 million to continue our mission.Our team, 'Roboflowers,' embodies a culture of curiosity, accountability, and a proactive approach to technology. We prioritize hands-on experience and collaboration, thriving in a high-autonomy environment where every team member acts like a founder.
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Join our innovative team at Lever where we are redefining the recruitment landscape! Lever, founded a decade ago, is on a mission to solve the most pressing challenge in talent acquisition: attracting and hiring top talent. Our state-of-the-art hiring software is trusted by industry leaders like Netflix, Yelp, Cirque du Soleil, Shopify, and Spotify to elevat…
About DepthFirst AIAt DepthFirst, we recognize that software serves as the backbone of modern civilization, yet its vulnerabilities pose significant risks to integrity, security, and resilience. Our mission is to address these security challenges head-on.We are pioneering the development of intelligent systems that autonomously identify and remediate critical software vulnerabilities. Our focus lies in training and scaling AI agents to uncover zero-day vulnerabilities across extensive customer codebases and widely-used open-source software.Our esteemed founding team brings a wealth of experience in security and large language models, featuring technical leaders from industry giants such as DeepMind, Databricks, Square, and Faire. We are in search of talented individuals eager to explore the intersection of AI, security, and infrastructure.About the Role:We are on the lookout for a seasoned Backend Engineer who will spearhead the creation of the world's first AI-native platform dedicated to autonomously identifying and resolving software vulnerabilities in code. You will be integral to developing the infrastructure that drives our security AI agents, tackling challenges related to large-scale code execution, complex agent orchestration, evaluation benchmarks, and training pipelines. We prioritize engineering excellence and secure designs capable of scaling for thousands of enterprise-level users. Your contributions will be pivotal in redefining how businesses approach security.What Excites You About This Role:Technical Leadership: Mentor team members, establish technical direction, and set best practices for backend engineering at DepthFirst.Architect and Scale: Develop complex coding agent pipelines that efficiently scan and execute large codebases to identify intricate vulnerabilities.Benchmark Development: Build, maintain, and refine evaluation benchmarks for AI agents that mirror real-world user challenges.Ownership: Take charge of our product, influencing its architecture, performance, and long-term success.Impactful Work: Participate in a project that addresses critical security issues. Our initial customers have already seen significant value in resolving vulnerabilities shortly after adopting our solution.
About depthfirstAt depthfirst, we recognize that software is the cornerstone of contemporary society, yet it is continuously threatened by vulnerabilities that undermine its integrity, security, and resilience. Our mission is to fortify the world's software.We are pioneering intelligence solutions to identify and address critical software vulnerabilities. Our focus lies in training and scaling security AI agents to uncover zero-day vulnerabilities across extensive customer codebases and widely-used open-source software.Our founding team boasts extensive expertise in data, infrastructure, security, and AI, featuring leaders from renowned organizations such as DeepMind, Databricks, Square, and Faire.About This RoleWe are in search of a Forward Deployed Engineer to engage directly with our clients, deploying and operationalizing depthfirst's security AI agents within their environments. In this role, you will serve as the technical conduit between our product offerings and enterprise security infrastructure, ensuring our AI effectively identifies vulnerabilities at scale.You will collaborate closely with clients to understand their unique security challenges, develop custom integrations on top of depthfirst's platform, and work alongside our product team to refine and generalize solutions. This position merges hands-on engineering work with in-depth customer collaboration, allowing you to influence both customer experiences with depthfirst and the evolution of our product.What You'll Be DoingIntegrate depthfirst's security AI agents into production environments for enterprise clientsEstablish strong relationships with security teams, becoming a trusted advisorTranslate client challenges into practical solutions: develop custom integrations, data pipelines, and workflows that connect depthfirst with existing security toolsAct as a liaison between customers and the product team—identify deployment patterns and collaborate to enhance platform capabilitiesEffectively communicate with a range of stakeholders, from security engineers to Chief Information Security Officers (CISOs)Manage the complete technical delivery process, from scoping and implementation to optimizationTravel to client sites as necessary to ensure successful project outcomes
About BuildkiteAt Buildkite, we strive to empower developers worldwide by reinventing software delivery. Our platform is designed to be fast, reliable, secure, and scalable, serving high-growth tech companies such as Airbnb, Canva, Shopify, PagerDuty, and Lyft.Job OverviewWe are seeking a Senior Community Engineer to cultivate the Buildkite community, leveraging customer trust and enthusiasm to foster technical distribution and establish credibility through authentic engagement. This role is a technical ambassador for Buildkite, representing us online, within the ecosystem, and in-person in the Bay Area. Your mission is to instill a profound sense of confidence in developers that Buildkite is not just a tool, but a serious, culturally unique solution crafted by builders for builders.Your responsibilities will include creating and delivering tangible prototypes, actively participating in key conversations with insightful contributions, transforming customer experiences into compelling narratives, and nurturing a sense of community belonging. Your success will be measured by the trust you build within the community. We are committed to maintaining high standards and will only consider candidates with a strong engineering background, deep familiarity with development tools, and a record of community engagement. What You’ll DoBe an Aspiring EngineerDeliver production-grade reference implementations that exemplify excellence with Buildkite.Develop and sustain tools and plugins that address real challenges and elevate the ecosystem.Maintain public artifacts with diligence: versioned, documented, tested, and cared for.Foster the Buildkite CommunityPresent the unique Buildkite perspective on CI, development workflows, reliability, craftsmanship, and future directions.Create engaging experiences that breathe life into Buildkite, including sandboxes, customer stories, impactful posts, insights backed by evidence, walkthroughs, behind-the-scenes builds, live demonstrations, and community rituals that resonate with developers.Consistently and visibly represent Buildkite; you are a vital part of our brand. Be comfortable being recognized, quoted, and occasionally corrected in public.
Contribute to a Safer World.TRM Labs specializes in blockchain analytics and AI solutions designed to assist law enforcement, national security agencies, financial institutions, and cryptocurrency businesses in detecting, investigating, and mitigating crypto-related fraud and financial crimes. Our blockchain intelligence and AI platforms offer advanced tools to trace funds, identify illicit activities, build comprehensive cases, and establish a clear understanding of potential threats. Trusted by top agencies and organizations worldwide, TRM is dedicated to fostering a safer and more secure environment for everyone.At TRM, your coding skills can genuinely make a difference. Our platform empowers governments, financial institutions, and cryptocurrency companies to detect and prevent various financial crimes, from terrorist financing to human trafficking. The Full-Stack Product Engineering team develops essential products and services that facilitate this mission, encompassing everything from customer-facing applications to foundational APIs and internal tools. We seek a motivated early-career engineer eager to make a significant impact by delivering real-world features.As a Product Engineer, you will collaborate with seasoned mentors, product managers, and designers to tackle complex challenges, write production-ready code, and create meaningful features. You will gain experience across the full stack, including React, Node.js, and Postgres, while being part of a dynamic team that is building the infrastructure of trust within the crypto economy.Your Impact:Develop and deploy full-stack features for TRM's core products and internal tools, benefiting from guidance and mentorship from senior engineers.Engage in cross-functional collaboration to clarify project requirements, pose insightful questions, and decompose complex problems into manageable tasks.Acquire skills in designing and developing APIs and services with a focus on scalability, performance, and maintainability.Produce clean, well-tested, and well-documented code that delivers tangible value to TRM's clients and stakeholders.Pursue continuous improvement through feedback, pair programming, and code reviews, demonstrating curiosity and a willingness to learn.Desired Qualifications:A Bachelor’s or Master’s degree in Computer Science or a closely related technical discipline (to be completed by Summer 2026).1–2 internships in software engineering, or equivalent experience gained through academic or personal projects.Familiarity with JavaScript/TypeScript and a passion for web development.
airapps seeks a Software Architect to join the team in San Francisco. This position plays a central role in shaping product architecture and setting technology direction. The architect works to ensure that software solutions are designed for scalability and meet the needs of clients. Key responsibilities Lead the architectural design and set technical direction for both new and existing software products Collaborate with engineering teams to develop solutions that perform reliably and scale effectively Define and refine technology strategy across multiple projects Work closely with stakeholders to align technical decisions with client requirements Location This role is based in San Francisco.
Join Antithesis: Shaping the Future of Software TestingAt Antithesis, we are on a transformative journey to revolutionize the testing and release process of contemporary distributed systems. Our innovative platform is highly regarded by engineering teams that prioritize exceptional reliability, scalable performance, and comprehensive technical insights. We recognize the challenges developers face—whether it's dealing with production outages, stressful on-call weeks, or release delays due to elusive bugs. If you're driven by a passion for developer-centric tools, system resilience, and achieving correctness, we want to hear from you!Your Role as a Solutions EngineerWe seek a creative problem solver, an enthusiast who thrives on challenges and embraces unconventional thinking. As a Solutions Engineer, you will leverage the full suite of Antithesis tools and technologies to identify bugs and disrupt our customers' software positively. You will also play a pivotal role in communicating the groundbreaking approaches to software testing and reliability that Antithesis introduces to the industry.Key ResponsibilitiesConduct Proof-of-Concept (POC) engagements to showcase the value of Antithesis products to prospective customers.Engage in onboarding activities for new customers.Assist the sales team with technical assessments and consultations.Facilitate workshops for customers on Property-based Testing (PBT) and related subjects.Identify bugs within open source software.Provide thought leadership in testing complex systems.Create, maintain, and demonstrate product demos.Guide clients and prospects in utilizing the Antithesis platform and its testing methodologies.
Sesame
About SesameAt Sesame, we envision a future where technology emulates lifelike interaction—machines that can see, hear, and engage with us in ways that feel natural and human. We are innovating a new category of consumer products that integrate voice agents seamlessly into everyday life. Our dynamic team comprises founders from Oculus and Ubiquity6, along with seasoned veterans from Meta, Google, and Apple, all possessing extensive expertise in both hardware and software. Join us in crafting a transformative future where computers truly come alive.Key Responsibilities:Develop Sesame’s proprietary companion app—an essential building block for a groundbreaking consumer product category—while upholding a commitment to excellence and craftsmanship.Collaborate with cross-functional teams in engineering, design, and product management to deliver complex projects that provide exceptional experiences for users.Contribute to the growth of the iOS team at Sesame by championing best practices and cutting-edge iOS app design techniques.Partner with engineers across iOS, Android, and web platforms to strategize the future of mobile and web solutions for Sesame.Essential Qualifications:Deeply intuitive understanding of iOS app aesthetics and design principles.Demonstrated experience in creating delightful, design-centric applications throughout your career.Proven track record as a technical leader, having taken ownership of launching apps or significant features into production multiple times.A strong passion for delivering outstanding products, driven by a desire to understand user needs and find innovative ways to exceed their expectations.Enthusiastic about the intricate engineering processes involved in crafting fast, user-friendly, and revolutionary iOS interfaces.Expertise in minimizing latency in complex iOS applications; adept at overcoming challenges related to networking, architecture, and SDK limitations to enhance interaction speed.Current knowledge of iOS UI/UX design trends; actively engaged in the Apple release cycle and constantly considering how new features can elevate user experience.Extensive hands-on experience with the iOS app development lifecycle, including build processes, testing strategies, and contemporary UI architecture patterns.Preferred Qualifications:Experience with SwiftUI or Combine frameworks.Familiarity with Agile methodologies and project management tools.
Cognition
Join Our Innovative AI Lab as a Deployed Engineer!At Cognition, we are pioneering the future of applied artificial intelligence by creating cutting-edge software agents. As the creators of Devin, the world's first AI software engineer, and Windsurf, an AI-native integrated development environment (IDE), our mission is to revolutionize how engineers collaborate with AI, allowing them to tackle more intriguing challenges and aim for greater aspirations.Our dynamic team comprises highly skilled professionals, including elite competitive programmers, former startup founders, and leaders from renowned AI companies like Scale AI, Palantir, Waymo, and Google DeepMind. Together, we aspire to solve some of the most pressing global challenges through innovative AI solutions.While we've made significant strides with Devin and Windsurf, our most formidable challenges lie ahead. If you are passionate about addressing monumental problems and developing AI capable of real-world reasoning, we invite you to apply and join our mission.Role OverviewAs a Deployed Engineer (DE) at Cognition, you will be at the forefront of our customer experience. Your primary role will be to engage with customers directly, ensuring they derive maximum value from Devin and Windsurf.You will collaborate with engineering teams to comprehend their workflows, pinpoint high-impact use cases, and seamlessly integrate our solutions into their production environments. Leading demonstrations, conducting pilots, and fostering the adoption of the Cognition platform are key responsibilities.This multifaceted role demands both technical expertise and customer-centricity, requiring you to navigate diverse client needs, anticipate challenges, and proactively deliver solutions. You will take ownership of project outcomes, guiding clients through their journey with our technology.Key Responsibilities:Oversee all technical elements of the customer lifecycle, from deployment to activation, ensuring our clients excel in utilizing Devin.Engage closely with customers to identify their technical hurdles and match them with optimal use cases for Devin’s contributions.Cultivate strong relationships with customer engineering teams to facilitate smooth product integration and enhance product adoption.Actively listen to customer feedback, implement requested features, and champion customer needs within the team.Leverage your insights to inform product roadmaps and strategy, acting as the voice of the customer.What We Value:
About Prenuvo Prenuvo is focused on shifting healthcare from reactive to proactive care. Our clinics offer a whole body scan that takes less than an hour, uses MRI technology without ionizing radiation, and requires no contrast. By combining optimized hardware, custom software, and advanced AI, we create a patient-centered experience for people around the world. Our mission: stop hearing, "we caught it too late again." Role Overview: Senior Frontend Engineer II - eCommerce Prenuvo is hiring a Senior Frontend Engineer for the eCommerce team in the San Francisco Bay Area. This position centers on improving the online booking platform, with a direct impact on revenue and customer satisfaction. The work involves refining user flows, reducing friction in booking, and running experiments to drive growth. Expect to shape how customers select scans, schedule appointments, and complete payments. This role suits someone with a startup mindset, strong technical skills, and a focus on data-driven decisions. Ownership extends from feature conception through production. The work directly affects conversion rates and key business outcomes. What You Will Do Enhance eCommerce user experiences for Prenuvo's online booking platform Reduce friction in scan selection, scheduling, and payment flows Experiment and iterate to improve conversion rates and business metrics Own features from initial idea through launch and production support Collaborate with engineers, product managers, and designers to deliver results What We Look For Experience building and refining frontend experiences for eCommerce or similar platforms Comfort with data-driven decision-making and experimentation Ability to work independently and within a high-performing team Startup mentality and willingness to take ownership Why Join Prenuvo? Work with modern technology and a team of experienced professionals Directly impact proactive healthcare and patient outcomes Contribute to a mission that aims to make a real difference in people’s lives
Kiloforge operates as a company factory in San Francisco, using AI to generate, validate, build, and distribute software products for niche communities. The team’s goal is to address overlooked challenges with tailored applications and eventually manage thousands of products, each designed for specific needs. Role overview This founding engineer position centers on building and shipping micro applications at a rapid pace. The work involves developing software for real users, automating processes, and adapting quickly as priorities shift. The environment values experimentation and learning across disciplines. What you will do Develop and release micro applications each week for actual users Continuously improve and automate development workflows Who we're looking for Generalists with broad skills, ideally extending beyond engineering Experience building products that have reached real customers Resourceful and adaptable, able to respond to new challenges Strong instincts for product and design Comfortable with shifting priorities and ambiguity Curious and motivated to learn across different fields Background in founding a company or strong interest in entrepreneurship The team Founders with experience building companies, including one that reached $20M ARR Track record of launching products with thousands of active users Driven to make a meaningful impact Small, agile group of founders and builders Supported by investors such as a16z, Uncork Capital, Y Combinator partners, and Rahul Vohra Why join Kiloforge Collaborate with designers, creatives, and marketers to integrate their expertise into AI-driven workflows Ideal for those ready to take risks and help reshape how software is built and shipped Hands-on experience building and distributing products in an AI-first setting
LangChain
About LangChainAt LangChain, we are driven by our vision to make intelligent agents a fundamental part of everyday life. We lay the groundwork for agent engineering, guiding developers from initial prototypes to production-ready AI agents that organizations can trust. Initially recognized for our extensive open-source tools, we have since evolved to provide a robust platform for building, assessing, deploying, and managing agents at scale.Today, our products, including LangChain, LangGraph, LangSmith, and Agent Builder, are instrumental for teams delivering cutting-edge AI solutions in both startups and large corporations. Millions of developers rely on LangChain to enhance AI capabilities at notable firms such as Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, and Vanta, along with 35% of the Fortune 500.With $125 million raised in our Series B funding from leading investors like IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we are in an exciting phase of growth, continuously innovating our product offerings. Every team member plays a significant role in shaping our technology and collaborative culture at LangChain.Role OverviewWork on-site five days a week in San Francisco, CA or New York, NYWe are seeking a Software Engineer to join our Infrastructure team, focusing on enhancing developer productivity for our LangGraph Cloud/Platform and LangSmith products. You will collaborate closely with Infra, Backend, and Frontend teams to confidently deliver across Kubernetes-based services, APIs, and UI flows. Additionally, you will help establish quality practices tailored to LLM applications, such as prompt regressions and evaluation suites.Develop and manage test strategies across APIs, services, UI, data, and infrastructure (K8s/Terraform/Helm).Create ephemeral test environments in Kubernetes for pull requests and release candidates; generate test data and execute hermetic suites.Advance quality in CI/CD (GitHub Actions): implementing parallelization, caching, deterministic seeds, flake tracking, and quality gates.Enhance test observability: provide rich failure artifacts (videos, logs, traces), Datadog dashboards, and actionable alerts.Ensure performance & reliability: establish baseline SLIs/SLOs for critical paths; conduct capacity tests and regression detection.Collaborate on incident workflows: troubleshoot issues, implement targeted regression tests, and refine runbooks/processes.
Braintrust
About BraintrustBraintrust is a cutting-edge AI observability platform that seamlessly integrates evaluations and observability into a unified workflow. Our platform empowers developers by providing the insights they need to understand AI performance in real time and offers tools to enhance its functionality.Our innovative solutions are trusted by top-tier teams at Notion, Stripe, Zapier, Vercel, and Ramp, allowing them to compare models, test prompts, and detect regressions—transforming production data into superior AI outcomes with every iteration.Location: San Francisco OnlyAs the leading platform for AI evaluations and observability, Braintrust seeks a passionate Developer Relations Engineer to cultivate, engage, and inspire our vibrant developer community.In this role, you will serve as the face of Braintrust to the developer community—crafting informative content, interacting with community members, and relaying valuable insights back to our product and engineering teams. You'll play a key role in shaping how developers learn about evaluations, adopt Braintrust, and advance the field of agentic AI.
Leverdemo-8
Join our dynamic team at Lever as we redefine the landscape of talent acquisition. We are seeking an Innovative Solutions Engineer to help us in our mission to build cutting-edge hiring software utilized by industry leaders like Netflix, Yelp, and Spotify.Lever, founded a decade ago, is at the forefront of transforming how companies recruit and hire top talent. Our commitment to innovation has earned us recognition as the #1 workplace in San Francisco and a top company to work for across the United States. We pride ourselves on our people-first culture and the competitive advantage our talented team brings to our organization.
Join Our Team at MetaviewAt Metaview, we are pioneering the future of work by eliminating the burdens of toil. Toil is the friction that hinders progress, and we combat it with our vision of Human-Computer Symbiosis.Our AI copilots are transforming workflows, enabling:Enhanced flow-state with minimal toil.Increased insights and reduced guesswork.Focus on human-centric solutions rather than process-centric ones.Metaview serves as the AI copilot for hiring, designed by former Uber and Palantir engineers, Siadhal and Shahriar, to alleviate the challenges they encountered in product and team development. Today, we empower thousands at industry-leading companies including Quora, Robinhood, Brex, Elastic, and Replit.Our team is small yet high-performing and dynamic, passionately dedicated to delivering exceptional work.
momentic
Join Momentic and Shape the Future of Quality.At Momentic, we are at the forefront of innovation with our comprehensive quality platform, leveraging cutting-edge AI agents to empower our clients in maintaining quality throughout every phase of the Software Development Life Cycle (SDLC).Leading engineering teams at renowned companies such as Notion, Bilt, Quora, and Xero rely on Momentic to deliver exceptional products. Our platform executes millions of tests daily, ensuring the highest standards of quality.With a vast problem space to explore, we are eager to bring on board several talented software engineers across various tech stacks. Your expertise will help us build and own significant components of our solution.About Our ProductWe are developing an AI-native automated testing platform.Our product is highly integrated into our clients' workflows, serving as a quality gate for every pull request and deployment.We stand out in the market, far surpassing traditional tools like Selenium, Cypress, and Playwright.Experience our platform in action by watching the demo video on our website.About UsWe are a dynamic team of 12 professionals with backgrounds from companies like Robinhood, Retool, WeWork, Qualtrics, and Assembled.Located in San Francisco, we work in a collaborative office environment.Recently, we secured a Series A funding round, raising $15M led by Standard Capital, with participation from our esteemed investors, including Y Combinator, FCVC, and Transpose Platform.Ideal Candidate ProfileYou thrive on tackling complex challenges that involve both product development and technical uncertainties.You possess robust engineering fundamentals, write efficient code, and are aware of your strengths and areas for growth.You prefer hands-on work over meetings and are focused on productivity and delivering results.You excel in environments that grant you autonomy and allow you to manage your own projects.You are located in San Francisco or are willing to relocate, and you value in-person collaboration as part of our company culture.
Whatnot
Join Whatnot as a Feature Platform Engineer, where you will play a crucial role in enhancing our platform's capabilities. You will collaborate with cross-functional teams to design and implement features that enhance user experience and drive engagement. This position offers an exciting opportunity to innovate and influence the direction of our platform.
About SentryAt Sentry, we are on a mission to eradicate the prevalence of poor software. We empower developers to create high-quality software more efficiently, allowing everyone to rediscover the joy of technology.Backed by over $217 million in funding and trusted by more than 100,000 organizations, including industry giants like Disney, Microsoft, and Atlassian, we are developing innovative performance and error monitoring tools that enable teams to focus on building exceptional products instead of fixing bugs.Sentry supports a hybrid work model across our global offices, designating Mondays, Tuesdays, and Thursdays as in-office days to foster collaboration and connection. If you are passionate about creating solutions that enhance the digital experience, join us in developing the next generation of software monitoring tools.About the Role:As a member of the Solutions Engineering team at Sentry, you will play a pivotal role in helping our largest clients seamlessly integrate Sentry into their applications and workflows. This includes everything from SDK integration to ensuring that alerts and issues are directed to the appropriate channels at the right time. Solutions Engineers work directly with customers to guarantee optimal implementation and usage, ensuring that:Developers can swiftly identify and resolve application slowdowns and errors.Development teams enhance productivity and improve customer satisfaction.Your Responsibilities:Identify and understand customer challenges and goals, translating them into actionable implementation and onboarding strategies that deliver tangible business value.Create best practices, educational resources, and content focused on error and performance management, as well as the Sentry product (e.g., instructional articles and videos showcasing product functionality).Serve as a trusted advisor and subject-matter expert, guiding customers in software engineering and monitoring best practices.Conduct workshops with clients to promote deeper engagement and broader adoption of Sentry’s solutions.Collaborate internally to provide valuable feedback to product and development teams, aligning Sentry's product roadmap with efforts to enhance time to value.You Will Thrive in This Role If You:Enjoy discussing technology and interacting with engineers and technical leaders.Flourish in a fast-paced environment, tackling diverse challenges with enthusiasm.
Example org
Join Example org, a premier software company specializing in real-time collaboration on critical workflows. Since our inception in 2012, we have garnered over 10,000 customers globally and have secured backing from esteemed investors, including Example Capital. We recently completed our Series C funding and are valued at $750 million.As the Director of Platform Engineering, you will be a key member of our dynamic team, reporting to the Engineering Manager. Your contributions will be pivotal in enhancing our workflows and driving innovative initiatives.
Roboflow, Inc.
About UsAt Roboflow, our mission is to revolutionize how we perceive and interact with the world through programmable vision. As pioneers in artificial intelligence, we provide developers with the tools and resources to create and implement computer vision models effortlessly.With over 1 million developers, including teams from half of the Fortune 100, leveraging Roboflow's open-source and hosted tools, we are at the forefront of innovation. Our applications range from accelerating cancer research by counting cells to enhancing safety on construction sites, and much more.Supported by esteemed investors such as Y Combinator, Google Ventures, and Craft Ventures, we have raised over $63 million to continue our mission.Our team, 'Roboflowers,' embodies a culture of curiosity, accountability, and a proactive approach to technology. We prioritize hands-on experience and collaboration, thriving in a high-autonomy environment where every team member acts like a founder.
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