Software Engineer - Developer Productivity & AI Tools

At Thinking Machines Lab, our mission is to enhance human potential through the advancement of collaborative general intelligence. We aspire to create a future where everyone can harness the knowledge and tools necessary to utilize AI for their unique objectives.We are a diverse team of scientists, engineers, and builders, responsible for developing some of …

Join our dynamic team at Sentry as a Staff Software Engineer specializing in AI Developer Tooling. In this pivotal role, you will contribute to the development and enhancement of cutting-edge AI tools that empower developers worldwide. Collaborate with cross-functional teams to identify challenges and deliver innovative solutions that optimize the software development lifecycle.

Join Scale AI as a Senior Software Engineer where you will play a crucial role in designing, developing, and managing secure and scalable infrastructure that empowers our team to excel in their work. You will collaborate with an innovative, agile, and solution-focused team dedicated to automating processes in identity and access management, endpoint management, and our extensive SaaS ecosystem. The right candidate will harness a variety of internal and external platforms to create applications, Slackbots, and dashboards for internal users while optimizing intricate workflows through automation. Your contributions will significantly enhance the operational efficiency of all General and Administrative teams within the company.Your Impact:As a full-stack engineer (60% backend / 40% frontend), you’ll collaborate with your team to create exceptional tools and applications for both internal use and external partners.You will be responsible for designing, developing, testing, and supporting full-stack applications on cloud-native distributed systems.You will establish real-time integrations with SaaS platforms across the organization.Develop a comprehensive quality framework/unit tests to ensure product performance, quality, and load handling, while effectively debugging and identifying system issues.Engage with broader teams, participate in engineering councils, conduct code reviews, and enhance our delivery processes.Work closely with the IAM team to manage cloud-based identity (Okta) and access controls, ensuring adherence to security protocols and standards for internal applications.Collaborate cross-functionally to identify opportunities for technological improvements and implement self-service solutions.

About the Role: We are seeking a talented Full Stack Software Engineer to join our dynamic team at Tools for Humanity. In this role, you will play a pivotal part in developing innovative solutions that empower real human connection in an increasingly AI-driven world. You will work on cutting-edge technologies to create applications that ensure privacy while verifying real identities.Your Responsibilities: As a Full Stack Software Engineer, you will be responsible for designing, coding, testing, and deploying scalable web applications. Collaborate with cross-functional teams to define, design, and ship new features, while ensuring the performance, quality, and responsiveness of our applications. Additionally, you will work on maintaining the codebase and continuously improve the functionality of our platforms.Qualifications: We are looking for candidates with a strong technical background, including proficiency in modern web frameworks, backend services, and database management. Experience with cloud technologies and a passion for building user-centric applications are essential. Strong problem-solving skills and the ability to work collaboratively in a fast-paced environment are key to success in this role.

Join Airwallex as a Senior Software Engineer - AI ToolsAre you ready to make a significant impact in the world of global finance? At Airwallex, we are the leading unified payments and financial platform for businesses around the globe. Our innovative solutions empower over 200,000 businesses, including industry giants like Brex, Qantas, and SHEIN, to seamlessly manage everything from accounts to treasury operations.Founded in Melbourne and now boasting a team of over 2,000 talented individuals across 26 offices worldwide, we are valued at $8 billion and supported by top-tier investors such as T. Rowe Price and Visa. If you're eager to take on challenging projects and grow your career, we want you on our team.What We ValueWe seek dynamic builders with a passion for innovation and a desire to take ownership of their work. You should bring a wealth of expertise and a sharp, analytical mindset, driven by our mission and operating principles. Your ability to make quick yet sound decisions while exploring new avenues will be paramount.As a collaborative team player, you will turn groundbreaking ideas into tangible products and drive our projects to completion. Leveraging AI will be key to working efficiently and solving problems swiftly. Join us in addressing complex challenges with exceptional colleagues while advancing your career in the future of global banking.Your RoleAs a Senior Software Engineer focusing on AI tools, your mission will be to maintain the security of over $150 billion in payments across 150,000 companies and thousands of employees.You will collaborate with internal teams to identify impactful projects, such as developing automation tools, managing our extensive log pipelines, and employing AI to enhance team operations. We value versatility and intelligent problem-solving over specific technologies, so you'll have the freedom to choose the best approaches. Additionally, you'll play a crucial role in mentoring junior engineers and contributing to the growth of our exceptional engineering team.

About the Role: We are seeking a talented Senior Android Application Software Engineer to join our dynamic team at Tools for Humanity. In this pivotal role, you will leverage your expertise in Android development to create innovative applications that enhance user experiences and contribute to our mission of building a real human network.Key Responsibilities:Design, develop, and maintain high-quality Android applications.Collaborate with cross-functional teams to define, design, and ship new features.Ensure the performance, quality, and responsiveness of applications.Identify and fix bugs, and optimize application performance.Engage in code reviews and mentor junior developers.Who You Are:Proficient in Kotlin and Java, with a strong understanding of Android SDK.Experience with RESTful APIs, third-party libraries, and JSON.Familiarity with version control tools, such as Git.Strong problem-solving skills and a passion for technology.Excellent communication and collaboration abilities.

Y Combinator is a distinguished accelerator that empowers budding entrepreneurs to launch innovative startups like Airbnb, Stripe, Reddit, and DoorDash. Nestled in the heart of the San Francisco Bay Area, our team collaborates closely to cultivate the next generation of industry leaders. We embody the same philosophies we instill in our startups, making it a unique environment for those familiar with Paul Graham's essays or our engaging YouTube videos.Joining Y Combinator places you in the epicenter of the startup ecosystem.Role OverviewIn our quest to scale operations, we develop a range of software solutions tailored for Y Combinator's internal use. A key focus is creating internal tools that enhance the efficiency of our operations. Our primary users are YC employees such as Group Partners who require productivity tools to engage with thousands of startups, finance teams managing investment documentation, and legal teams addressing diverse startup-related legalities.In this position, you will:Design and develop comprehensive features. Our team is dedicated to supporting founders beyond their batch experience, including creating event software and engagement tools to maintain lasting connections with companies.Collaborate with YC Partners on productivity software. We’ve developed integrations like Gmail plugins and dashboards to facilitate quick engagement with founders.Define and prioritize the development roadmap. We constantly evaluate the balance between effort and impact, with engineers playing a crucial role in determining what features are most essential to tackle next.Assess usage and engagement metrics. We strive to identify what functionalities succeed or fail, emphasizing the importance of continuous improvement for long-term success.Team DynamicsOur software team consists of just 15 full-stack product engineers, fostering a collaborative environment where we all know each other personally. With diverse experiences from major companies like Meta and Google, many team members have also launched their startups. In line with YC's philosophy, our engineers frequently interact with customers and prioritize rapid deployment, while also shaping our roadmap and designing our own projects.

About the Role: As a Senior Software Engineer specializing in iOS at Tools for Humanity, you will be instrumental in shaping innovative applications that empower users in the age of AI. Your expertise will contribute to building a robust ecosystem where real identities are verified, enabling safer online experiences.Key Responsibilities:Design, develop, and maintain high-quality iOS applications.Collaborate with cross-functional teams to define, design, and ship new features.Continuously discover, evaluate, and implement new technologies to maximize development efficiency.Ensure the performance, quality, and responsiveness of applications.

About the Role:We are seeking a talented and experienced Senior Software Engineer to join our dynamic team focused on developing cutting-edge financial products for Android. In this role, you will leverage your expertise in Android development to create innovative solutions that enhance user experience and drive our mission forward.Key Responsibilities:Design and implement scalable Android applications for financial products.Collaborate with cross-functional teams to define, design, and ship new features.Ensure the performance, quality, and responsiveness of applications.Identify and fix bugs, and enhance application performance.Stay up-to-date with new technology trends and best practices in mobile development.

Join our dynamic team at Zip as a Software Engineer, specializing in AI product development. We are seeking a passionate mid-senior level engineer who is eager to contribute to innovative solutions that can shape the future of technology. In this role, you will collaborate closely with cross-functional teams to design and implement AI-driven applications that enhance user experiences.Your expertise will play a critical role in transforming ideas into scalable, robust software solutions. You will be involved in all stages of the development lifecycle, from requirements gathering to deployment, ensuring high-quality code and efficient performance.

About UsAt Koah Labs, we are innovating the advertising landscape by creating an ad network designed for the next generation of AI-driven products. Our mission is to empower publishers with monetization solutions while enabling advertisers to connect with their target audience seamlessly, all without sacrificing speed, user experience, or privacy.As a compact and dynamic team based in San Francisco, our members bring diverse expertise from leading companies like X, Apple, and Meta, as well as from successful startups. Backed by top-tier investors, we are rapidly scaling with significant momentum on both the publisher and advertiser facets of our marketplace.Joining Koah means becoming part of something impactful from the outset; your code will directly influence the company's future and the ecosystem we are developing. We prioritize agility, trust, and a deep commitment to quality in our work.Our Technology StackInfrastructure: Terraform, AWS, LGTM (Loki, Grafana, Tempo, Mimir), Tailscale, CloudflareData Management: PostgreSQL, ClickHouse, Redis, Kafka, PythonCore Application Development: Ruby on Rails, React, TypeScriptSoftware Development Kits (SDKs): iOS, Android, Web, Flutter, React NativeKey ResponsibilitiesContribute to shaping the engineering organization’s foundation.Lead initiatives across the technology stack, exercising significant influence over product direction and technical design.Engage in technically challenging and fulfilling work, from optimizing matching algorithms to delivering high-quality user experiences for millions.Collaborate with cross-functional teams in data and go-to-market strategies to steer product development based on customer needs.Adopt a mindset of experimentation, continuously learning how users engage with AI-driven products and utilizing data from these insights to inform our efforts.Ideal Candidate ProfileProven experience in building and scaling production-quality systems and user experiences.Comfortable working across the technology stack, tackling unfamiliar tasks, and navigating ambiguity.Thrives in an in-person environment and values rapid feedback loops.Enjoys deconstructing problems and validating hypotheses through testing.

About the Role OpenAI is looking for a Software Engineer specializing in Kernel Performance and AI Tooling to join the team in San Francisco. This role centers on improving software systems for maximum efficiency and building advanced tools that support AI development. What You Will Do Optimize kernel-level performance across OpenAI's software stack. Design and implement tools that accelerate AI research and deployment. Work closely with engineers to identify bottlenecks and deliver practical solutions. Contribute to technical discussions and share knowledge with teammates. Team and Collaboration Work alongside engineers who are committed to advancing AI technology. Collaboration and innovation are central to the team’s approach.

About the RoleJoin Hex Technologies as a Product Engineer Intern this summer, where you will play a vital role in developing the next generation of AI-driven data tools.Our mission is to empower users to navigate and engage with data through natural language and advanced AI capabilities. As an intern, you will directly influence product features that are central to how data teams explore, analyze, and collaborate. No prior AI experience is necessary; we value curiosity, enthusiasm, and a readiness to engage with rapidly evolving technologies.This is an exceptional chance to learn from skilled engineers, deliver real features into production, and make significant contributions to one of the most exciting technical fields today.Your ResponsibilitiesAs a Product Engineer Intern, you will collaborate across the technology stack, working alongside mentors and closely with designers, product managers, and AI engineers to create engaging, reliable, and intelligent user experiences.Your tasks will include:Building real product features using React, Typescript, and/or Python that enhance the core workflows utilized by thousands of data practitioners.Collaborating with AI engineers to prototype and refine AI capabilities, develop prompting strategies, and enhance model quality for user-facing applications.Designing and refining end-to-end workflows contributing to features for collaborative editing, data exploration, debugging, and AI-assisted development.Tackling practical engineering challenges such as performance optimization, front-end UX enhancements, and API design to support AI-driven functionalities.Participating in the full development lifecycle, from ideation and design to implementation, testing, and launch.

About AnthropicAt Anthropic, we are dedicated to developing AI systems that are safe, interpretable, and controllable. Our mission is to ensure that AI technology benefits not just our users, but society as a whole. We are a dynamic and rapidly expanding team of researchers, engineers, policy experts, and business leaders, all working collaboratively to create AI solutions that truly enhance human capability.About the RoleThe Research Tools team at Anthropic is at the forefront of AI safety and capability research, and we require outstanding software solutions to optimize our efforts. As a Senior Software Engineer on this team, you will be pivotal in creating the infrastructure and applications that empower our researchers to conduct complex experiments, iterate rapidly, and derive insights from cutting-edge AI systems.This role merges product development with full-stack engineering. You will collaborate closely with researchers and engineers to understand their workflows, identify roadblocks, and deliver swift solutions that enhance productivity. Whether you are developing interfaces for human feedback on model evaluations, creating platforms for orchestrating experiments, or crafting innovative visualization tools to interpret model behavior, your contributions will significantly advance our mission to build trustworthy AI systems.We seek an individual who thrives in ambiguous environments, possesses a high degree of autonomy, and can swiftly acquire domain knowledge to drive impactful projects from inception to completion.No prior machine learning or research experience is necessary.

Join Handshake as a Senior Software Engineer specializing in Operator Tooling. In this role, you will be instrumental in enhancing our operational efficiency through innovative tooling solutions. Your expertise will help streamline processes and empower our operators to deliver exceptional outcomes.

About CodeRabbitCodeRabbit is at the forefront of innovation in research and development, dedicated to creating remarkable human-machine collaboration systems. Our mission is to revolutionize the software development landscape by developing Gen AI-driven code reviewers that establish a collaborative relationship between human expertise and advanced algorithms, thereby enhancing productivity and quality in software development.About the RoleWe are seeking a dynamic Principal Product Marketing Manager with extensive experience in the developer tools space. In this pivotal role, you will take charge of the entire product marketing lifecycle, from go-to-market (GTM) strategies to crafting compelling customer narratives, positioning, messaging, and gathering competitive insights, all while influencing the product roadmap.This high-impact position intersects Product, Engineering, Growth, and Sales teams, making you a key player in strengthening our marketing foundation and boosting adoption among technical audiences.ResponsibilitiesPositioning & Messaging: Create engaging messaging and positioning strategies specifically designed for developers, engineering leaders, and DevOps professionals.Product Launches: Spearhead GTM strategies for new products and features, ensuring seamless collaboration across product, growth, and sales teams.Customer Insights: Gain deep insights into developer workflows and challenges by conducting customer interviews and research, informing both messaging and product roadmap.Content Creation: Develop and manage technical content such as product pages, blog posts, videos, case studies, and comparison pages to effectively communicate product value.Enablement: Generate product marketing materials to empower growth, sales, and customer success teams.Competitive Intelligence: Monitor trends and competitors in the developer tools industry to translate insights into actionable positioning and differentiation strategies.Metrics-Driven: Establish objectives for feature adoption and product marketing campaigns, providing regular reports on performance and efficacy.Qualifications3–6+ years of product marketing experience within developer tools, infrastructure, or B2B SaaS companies targeting technical audiences.Proven ability to engage credibly with engineers and development teams; hands-on experience is a significant plus.

Anara is seeking a talented Software Engineer to join our innovative team in revolutionizing scientific research. In this role, you will develop groundbreaking tools that will redefine the landscape of scientific discovery for generations.Your Responsibilities:Design and implement scalable features and infrastructure for cutting-edge AI-driven research tools.Collaborate directly with customers to gather valuable insights and enhance user experience.Continuously monitor and optimize system performance and costs, making strategic trade-offs to maintain agility.Establish best practices for prompt engineering and deployment of new models and workflows.Lead the design and automation of evaluation pipelines to consistently assess, benchmark, and enhance AI agent quality and reliability.

About Us:At Notion, we empower you to create exceptional tools that support your life's work. In an era filled with countless apps and browser tabs, Notion stands out by offering a unified platform for teams to manage everything seamlessly. Our integrated features connect documents, notes, projects, calendars, and emails, with AI capabilities designed to enhance productivity by automating tasks and delivering insights. Trusted by millions, including industry leaders like Toyota, Figma, and OpenAI, Notion is chosen for its flexibility, efficiency, and cost-effectiveness.We value in-person collaboration, embodying it as a core aspect of our culture. As such, we require all employees to work from our offices on designated Anchor Days: Mondays, Tuesdays, and Thursdays. Specific teams may have additional in-office expectations.About The Role:With millions of users relying on Notion for a fast, reliable, and secure experience, maintaining this trust is paramount. The Developer Experience team is dedicated to architecting, implementing, and scaling the tools and frameworks that empower Notion developers. We are searching for passionate engineers who are eager to overcome engineering productivity challenges, possess a strong empathy for fellow developers, and enjoy effective communication with technical peers. While prior experience in this domain is a plus, the willingness to advocate for developer experience is essential.What You'll Achieve:Collaborate with cross-functional engineering teams to deliver an outstanding developer experience, utilizing tools such as the TypeScript language server, lint tooling, and the Notion CLI to enhance daily workflows.Engage with cutting-edge tooling performance, staying abreast of new developments and evaluating tools within the JavaScript ecosystem to improve developer experience.Work closely with GitHub and our CI systems to ensure swift and secure code merges, targeting a PR CI pipeline completion time of 15 minutes.Take ownership of our development environment and toolchain, contributing to innovative projects across the organization for substantial impact.Skills You'll Need to Bring:A commitment to enhancing developer productivity: You possess a keen interest in empowering engineers to maintain their focus through improved tooling. You critically assess workflows, identifying bottlenecks and opportunities for enhancement.Strong communication skills: Ability to articulate complex ideas clearly and work collaboratively with engineering teams.Proficiency in relevant technologies: Familiarity with TypeScript, Git, CI/CD pipelines, and modern development practices.A proactive learning mindset: Eager to stay updated with industry trends and tools that can enhance developer experience.

About SesameAt Sesame, we envision a future where technology transcends mere functionality to become an intuitive part of our daily lives. Our mission is to create lifelike computers capable of perceiving, understanding, and interacting with us in a natural way. We are pioneering a new generation of computing focused on integrating voice agents seamlessly into everyday routines. Our team is a blend of innovators from Oculus and Ubiquity6, alongside seasoned professionals from Meta, Google, and Apple, each bringing unparalleled expertise in hardware and software. Join us in crafting a future where computers truly come alive.About the RoleAs a Software Engineer specializing in internal tools at Sesame, you will play a key role in developing and maintaining pipelines and tools that process audio and text data. You will be responsible for producing and evaluating trained AI models for both text and voice interactions. Collaborating with machine learning engineers, researchers, and cross-functional teams, you will create tailored solutions that cater to the needs of your colleagues. The ideal candidate is not only a proficient software engineer but also possesses a keen sense of UI/UX design for custom internal tools. You will develop and sustain React-based web applications that enable teams to manipulate extensive datasets in the cloud, as well as maintain the cloud-deployed Python infrastructure that powers our innovative products. Being a dynamic startup, Sesame values adaptability; therefore, you should be comfortable exploring various technical domains, learning new tools and services, and applying best practices for robust software development and deployment.Responsibilities:Contribute to the enhancement of our machine learning infrastructure, internal tools, and data management systems.Boost developer productivity and ensure application reliability through investment in developer tooling and best practices.Required Qualifications:Demonstrated experience in navigating ambiguous work environments independently.Proven background in machine learning infrastructure, internal tooling, and data management.Experience collaborating with machine learning and research teams.Familiarity with developing consumer-oriented, scalable applications.Knowledge of database management systems.Bachelor's degree or higher in Computer Science or a related field.At least 3 years of professional experience in a similar role.

About the TeamJoin the Fleet team at OpenAI, where we create essential components that empower innovative research across a spectrum from small-scale initiatives to cutting-edge advancements. Our mission is to accelerate the journey toward Artificial General Intelligence (AGI) by collaborating with diverse teams to enhance the development of groundbreaking capabilities.About the RoleAs OpenAI continues to expand its talented pool of researchers and engineers, we are looking for a dedicated and resourceful Software Engineer focused on enhancing the development experience for both our engineering and research teams.In this pivotal role, you will design and maintain systems that facilitate rapid development, testing, and deployment of new features, ensuring a seamless and efficient development cycle. You will be instrumental in shaping our vision for software development, overseeing the architecture of our continuous integration pipelines, testing frameworks, and the support structures for our build environments.Your expertise in Python, Rust, and C++ will be crucial as you strive to elevate our development processes, creating a state-of-the-art experience for our researchers. Your contribution will be vital in providing the necessary tools and metrics to support our fast-paced culture, ensuring a stable and scalable platform for growth while promoting a frictionless experience for OpenAI’s research efforts.This position is based in San Francisco, CA, following a hybrid work model of three days in the office each week, along with relocation assistance for new hires.You may excel in this role if you:Have experience supporting large-scale monorepo development and deploymentPossess strong programming skills in Python, particularly in large monoreposAre proficient in Docker and KubernetesHave a solid background in Continuous Integration/Continuous Deployment (CI/CD)