Senior Fullstack Engineer, Expansion Tooling

Join Waymo as a Senior Fullstack Engineer in our Expansion Tooling team, where you will play a crucial role in developing and enhancing our tools that facilitate the expansion of our autonomous vehicle services. This position offers an exciting opportunity to work at the intersection of technology and innovation while shaping the future of transportation.

About DEUNA DEUNA is an innovative and fast-growing startup that is transforming global commerce with our cutting-edge AI-driven orchestration and payments platform, ATHIA. This powerful tool is designed to assist large enterprises in enhancing approval rates, minimizing costs, and discovering new revenue streams. Created by the talented team behind DEUNA—the fastest-growing Commerce OS in Latin America—ATHIA seamlessly integrates payment intelligence, checkout optimization, and data orchestration into one cohesive solution.With extensive integrations across more than 300 PSPs and alternative payment methods, and with over 20% of Mexico’s digital economy flowing through our platform, we simplify global payments through a single integration and centralized reconciliation process.As we rapidly expand into the U.S. market to address the pressing needs of large retailers, marketplaces, airlines, and quick-service restaurants (QSRs), we invite you to join us in shaping the future of payments! Visit https://www.deuna.com/ to learn more about us!

About Us:LangChain is dedicated to making intelligent agents commonplace. We are pioneering the foundations of agent engineering in the real world, empowering developers to transition from prototypes to production-ready AI agents that teams can depend on. Initially known for our widely embraced open-source tools, we have expanded to provide a comprehensive platform for constructing, assessing, deploying, and managing agents at scale.Our products, including LangChain, LangGraph, LangSmith, and Agent Builder, are utilized by teams delivering genuine AI solutions in both startup environments and large corporations. Millions of developers trust our technology to elevate AI initiatives at organizations such as Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, and 35% of the Fortune 500.With $125M raised in our Series B funding from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we are poised for continued product development and accelerating growth, where each team member plays a significant role in shaping our technology and collaborative culture.About the Role:On-site 5 days a week in San FranciscoWe are seeking a Senior Fullstack Engineer for our commercial product, LangSmith, which serves as an observability and evaluation platform. In this role, you will have the chance to influence the technical direction of our platform while engaging with enterprise clients, developer end-users, and internal stakeholders.Lead the technical architecture and implementation of essential product features for LangSmith, utilizing our entire stack of Go, Python, and TypeScript.Work closely with product and design teams to iterate and refine new features.Mentor and support junior team members, driving ambitious project timelines while upholding high engineering standards.Set an example by producing clean, maintainable, and thoroughly tested code.

About LanceDBLanceDB is an innovative, developer-centric, open-source database designed for multimodal AI applications. With features such as hyper-scalable vector search and advanced retrieval for Retrieval-Augmented Generation (RAG), along with streaming training data and interactive exploration of extensive AI datasets, LanceDB serves as the premier foundation for your AI applications, empowering some of the most revolutionary projects today.About the RoleWe are on the lookout for a seasoned Fullstack Engineer to become part of our elite team, enhancing the user experience at the forefront of high-performance vector databases in the cloud.Your ResponsibilitiesCrafting exceptional experiences for users to explore and manage their multimodal data.Collaborating closely with team members and designers to optimize user experience.Developing scalable backends for LanceDB Cloud that deliver a serverless experience for vast datasets.Working at a rapid pace with a talented team of core contributors to groundbreaking projects like Python Pandas, Apache Arrow, Delta-rs, and Hadoop, to shape the next generation of data systems for AI.Preparing for future leadership roles as the team expands.Driving initiatives to elevate architecture standards and best practices within the company.Utilizing our tech stack: Typescript, React, Python, Rust, AWS, Google Cloud, Azure, Kubernetes, and Terraform.

Join Giga: Pioneering AI SolutionsAt Giga, we are at the forefront of the AI revolution, having recently secured a $61 million Series A funding round. Our innovative solutions are already being utilized by major companies like DoorDash, as we strive to redefine customer experience through real-time AI agents capable of understanding emotions and resolving issues instantaneously on a global scale.This is an exhilarating time for us as we aim to transform into the leading AI platform for enterprise automation, driven by our advanced voice superintelligence. To realize our ambitious vision, we are looking for exceptional engineers to join our team.Our engineers enjoy autonomy and have a significant impact on the experiences of millions of users daily. With visionary founders, established commercial success, and a clear trajectory towards becoming a generational company, we invite you to be a part of our journey.Giga Raises $61M Series A in Voice AIPartnership with DoorDashGiga is trusted by top B2C companies globally to manage their most complex support and operations workflows across various communication channels. If you are eager to contribute to this transformative work, we encourage you to apply!

About Scribd:At Scribd Inc. (pronounced “scribbed”), we are driven by a mission to ignite human curiosity and foster knowledge sharing. Join our innovative team as we craft a world enriched with stories and insights, democratizing the exchange of ideas through our diverse products: Everand, Scribd, Slideshare, and Fable.This job opening represents a confirmed, active position within our organization.We cultivate a culture where authenticity and boldness thrive; where we engage in meaningful debates and embrace unexpected challenges. Every team member is empowered to take initiative as we prioritize our customers' needs.Our workplace philosophy emphasizes a balance between individual flexibility and community engagement. With our Scribd Flex benefit, employees can collaborate with their managers to choose a work style that suits their personal needs. Key to Scribd Flex is our commitment to intentional in-person interactions, which are vital for fostering collaboration, culture, and connections. Thus, occasional in-person attendance is expected from all Scribd employees, regardless of their remote work location.What do we seek in our new team members? We value “GRIT”—the combination of passion and perseverance toward achieving long-term goals. At Scribd, we recognize the potential this mindset unlocks and encourage our employees to embody a GRIT-ty approach in their work. This means setting and achieving Goals, delivering Results in their responsibilities, contributing Innovative solutions, and positively influencing our broader Team through collaboration and a constructive attitude.Join Our Growth Platform TeamThe Growth Platform team at Scribd empowers marketers, lifecycle teams, and partner channels by providing MarTech solutions that enhance efficiency, enable data-driven decisions, and support scalable user acquisition across our brands: Scribd, Everand, SlideShare, and Fable.Our focus is on building and maintaining robust systems that facilitate campaign execution, optimize landing pages, manage tracking and attribution, and integrate with third-party tools for cross-channel marketing and analytics. We prioritize scalability, performance, and reliability, ensuring our partners have the necessary tools to drive user growth. Our team values collaboration, pragmatic solutions, and a commitment to continuous improvement.

Waymo is at the forefront of autonomous driving technology, dedicated to becoming the world's most reliable driver. Originating as the Google Self-Driving Car Project in 2009, our mission has been to develop the Waymo Driver—The World’s Most Experienced Driver™—to enhance mobility access while significantly reducing traffic-related fatalities. The Waymo Driver is the backbone of our fully autonomous ride-hailing service and is adaptable across various vehicle platforms and product applications. Having completed over ten million rider-only trips, our technology has autonomously navigated more than 100 million miles on public roads and participated in extensive simulations across 15+ U.S. states.With our commercial service operational in several cities and ambitious plans for substantial growth, we are in the early stages of developing the necessary infrastructure to support this expansion. The increasing demand for our ride-hailing service presents a unique opportunity to evolve our systems, offering a dynamic environment to tackle complex and impactful cross-functional challenges.Team: Fleet ManagementProject: Workshop management; focused on planning and executing vehicle maintenance and uptime software.In this hybrid role, you will report to an Engineering Manager.

Join our innovative team at crewAI as a Senior Fullstack Engineer. In this pivotal role, you will help propel the crewAI+ platform forward, a robust Ruby on Rails application that integrates Python services. Your expertise in both backend and frontend development will be essential for ensuring seamless functionality and high performance. We are looking for a proactive individual with a solid background in Ruby, Python, and React who thrives in a collaborative, dynamic environment.

About DEUNA Join a dynamic and fast-growing startup that is redefining global payments and empowering the future of commerce through a unified platform. We offer a comprehensive suite of products that consolidate numerous payment solutions into a single integration, utilizing an intuitive payment orchestration system while centralizing payment reconciliation. With our footprint across LATAM, we are on the lookout for exceptional talent to help us continue revolutionizing the payments landscape! We are seeking a highly motivated and talented Full Stack Developer to join our technology team. This role entails being part of our integration cell, which manages integrations with various platforms such as Shopify, Magento, and VTEX. You will be responsible for developing payment connectors and web applications, collaborating with designers, software engineers, and other team members to provide comprehensive end-to-end solutions.

Calling All Ambitious Fullstack Engineers!At Silver.dev, we are on the lookout for talented fullstack engineers who aspire to relocate to San Francisco. Our clients are ready to sponsor immigration visas, including O1, J1, and potentially L1 visas, tailored to the unique skills and profiles of exceptional candidates.This journey is not for the faint of heart. It demands resilience, unwavering dedication, and the ability to outperform local talent in quality and innovation. Only the most skilled and determined individuals will succeed in this competitive environment.If you believe you have what it takes, we invite you to join Silver.dev and showcase your expertise.

P-925 At Databricks, we are dedicated to empowering data teams to tackle some of the world's most challenging issues—from realizing the next mode of transportation to accelerating groundbreaking medical advancements. Our mission is to construct and operate the world’s premier data and AI infrastructure platform, enabling our customers to leverage deep data insights for business enhancement. Founded by engineers and driven by customer obsession, we eagerly embrace every opportunity to confront technical challenges, from designing next-generation UI/UX for data interaction to scaling our services and infrastructure across millions of virtual machines. And we’re just getting started. As a Staff Fullstack Engineer, you'll collaborate with your team and product management to simplify the extraction of insights from data. We seek engineers who are customer-focused and who can take ownership of the entire product and user experience beyond mere technical implementation. You will lay the groundwork for the creation of robust, scalable, and delightful products. Here are some of the impactful experiences you will develop for our customers, guiding them through the complete project lifecycle—from data loading and results visualization to statistical model creation and production deployment: Streamlined workflows for creating, configuring, and managing large-scale compute clusters, networks, and data sources. Design, deploy, test, and enhance complex data pipelines featuring powerful data visualization capabilities. Facilitated onboarding and management processes that empower all organization members to become data-driven. Deliver an exceptional SQL-centric data exploration and dashboarding experience on Databricks. An interactive environment for collaborative data projects at a massive scale, with a clear pathway to production.

Join Us at LangChain:At LangChain, we are committed to revolutionizing the world of intelligent agents. Our mission is to empower developers to transition their innovative prototypes into production-ready AI agents that organizations can depend on. Starting as a suite of widely used open-source tools, we have expanded to provide a comprehensive platform for creating, assessing, deploying, and managing agents at scale.Our cutting-edge solutions, including LangChain, LangGraph, LangSmith, and Agent Builder, are trusted by teams delivering real AI products, from startups to major corporations. With millions of developers utilizing LangChain, we proudly support organizations like Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, and 35% of the Fortune 500.Having raised $125 million in Series B funding from esteemed investors such as IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we are poised for accelerated growth and innovation, allowing every team member to significantly impact our projects and collaborative processes. At LangChain, your input will help shape the real-world impact of this transformative technology.About the Role:We are seeking a passionate Education Engineer to facilitate the learning journey for developers and agent builders using LangChain, LangGraph, and LangSmith. In this dynamic role, you will transform cutting-edge applied AI research into engaging educational experiences, ranging from hands-on workshops and meetups to comprehensive online courses and recorded video tutorials.You will collaborate with our Applied AI and software engineering teams to design high-quality learning materials that elucidate essential concepts in Agentic AI, provide real-world applications, and empower external developers to effectively utilize our tools. This hybrid position marries technical expertise in software development with a commitment to education, community engagement, and effective communication.Your responsibilities will include:Collaborating with LangChain engineers to create educational content that introduces generative AI and agent-building principles utilizing LangChain, LangGraph, and LangSmith.Designing curriculums and learning pathways for our vibrant community of over 1 million developers and agent builders.Producing and delivering content in various formats:Online courses for LangChain Academy, video tutorials, and webinarsLive presentations at workshops, hackathons, meetups, and conferencesMaintaining and updating educational resources to reflect the latest advancements in AI technologies.

About FormalAt Formal, we are revolutionizing data security with our cutting-edge platform designed to empower teams to effortlessly understand and manage their data.We are developing an advanced protocol-aware reverse-proxy for data stores and APIs that enables organizations to gain real-time insights into their data. This innovative approach allows teams to monitor how sensitive data is stored, accessed, and utilized, thereby enforcing strict least privilege policies through techniques such as data masking, filtering, and anonymization.Our solutions have earned the trust of industry leaders like Ramp, Gusto, and Notion, who rely on us for data security, compliance, data quality management, and infrastructure access.Backed by top-tier venture capital firms, including Thrive Capital and Y Combinator, we also enjoy the support of angel investors who are executives and founders from renowned companies like Datadog, Clickhouse, Plaid, and Vanta.About the RoleFormal is committed to assembling an exceptional engineering team, and we seek passionate individuals who are eager to make a significant impact on our product and company growth.The ideal candidate possesses a profound knowledge of building scalable systems, a strong sense of ownership, and thrives on overseeing projects from their inception to full-scale production.Our current technology stack includes Typescript, NextJS, Shadcn, Vercel, and Golang.Your ResponsibilitiesDrive continuous improvements in the performance and reliability of our frontend application through code optimization and enhancement identification.Elevate existing features by integrating user feedback and executing enhancements to usability and design.Assume ownership of the frontend architecture, ensuring it is scalable, maintainable, and aligned with industry best practices.Lead initiatives that you believe will significantly impact Formal's success.Key QualificationsDemonstrated experience in software development for data-intensive platforms.Strong proficiency in modern frameworks (e.g., React, Vue.js) and backend languages (we utilize Go). Familiarity with streaming data processing frameworks like Apache Kafka and Google Pub/Sub.Experience with essential infrastructure components such as Kubernetes.

About Our TeamThe Safety Systems Organization plays a crucial role in ensuring the safe deployment of our advanced models in real-world settings, contributing to OpenAI's mission of developing and implementing safe Artificial General Intelligence (AGI). We prioritize AI safety, trust, and transparency, and our work is vital in making a positive impact on society.Our Safety Engineering team is dedicated to creating the platforms and tools that ensure OpenAI’s models are safe for real-world usage. We collaborate closely with researchers, product teams, and policy experts to transform safety concepts into robust, scalable systems: assessing risks, implementing safeguards, and continuously enhancing model performance in live environments. Our efforts sit at the confluence of product engineering, data science, and AI, directly influencing how millions engage with OpenAI’s technologies.About the PositionWe are seeking a proactive Fullstack Engineer who thrives in a dynamic, iterative environment—especially when developing internal tools that drive tangible societal impact. In this role, you will design and implement full-stack solutions for our Safety Systems teams, ensuring the increased safety and reliability of OpenAI’s models, particularly in sensitive areas such as mental health and protections for vulnerable users. Your contributions will enhance our team's ability to quickly identify and resolve safety concerns while also strengthening the feedback loop among policy, data, and model training cycles.Key Responsibilities:Lead the complete development cycle of internal tools aimed at enhancing the safety of OpenAI’s models, with a focus on critical areas such as mental health and vulnerable-user protections.Collaborate closely with researchers, engineers, and model policy developers to identify workflows, challenges, and requirements, translating them into sustainable product solutions.Create full-stack applications that support essential model policy workflows, including data labeling, failure case analysis, and insight generation for iterative development.Enhance internal applications for usability, performance, and scalability, improving team efficiency and reducing resolution time for safety issues.Transform successful AI-assisted safety workflows into externally facing safety products that empower developers to create safer AI, elevate industry standards for AI safety, and prepare society for more advanced AGI.

Join Mercor: Pioneering AI and Labor Market IntegrationAt Mercor, we operate at the forefront of labor markets and artificial intelligence (AI) research. Collaborating with esteemed AI laboratories and businesses, we deliver the invaluable human intelligence needed for AI evolution.Our extensive network of talent trains cutting-edge AI models, similar to the way educators guide students—by imparting insights, experience, and context that coding alone cannot convey. Currently, over 30,000 experts in our network collectively generate more than $2 million daily.Mercor is pioneering a new realm of work where expertise accelerates AI progress. To realize this vision, we seek an ambitious, dynamic, and dedicated team. You’ll collaborate with researchers, operators, and AI enterprises that are redefining societal systems.As a profitable Series C company valued at $10 billion, we maintain a five-day in-person work schedule at our new San Francisco headquarters.Your RoleWe are on the lookout for a product-focused Fullstack Software Engineer with robust technical expertise and a keen sense for product design. This position is perfect for individuals who relish taking ownership of user-facing features from conception to deployment, while possessing a deep understanding of the business and market dynamics that underpin their creations.In this role, you will enhance core marketplace interfaces that influence how engineers discover Mercor, apply for opportunities, complete assessments, and ultimately earn income. Achieving success here requires sound judgment, comfort with ambiguity, and the knack for delivering high-quality experiences swiftly without unnecessary complexity.This is not a limited backend or frontend role; your responsibilities will span:Frontend: React / Next.js, user journeys, UX nuances, performance, and refinement.Backend: Python and Go services, APIs, data structures, and integrations.Data: MongoDB and SQL, metrics, funnel analysis, and operational integrity.By the end of the process, you will be matched with a team where you can make the greatest impact in one of the following areas:Talent Platform Side – Developing next-gen tools that automate end-to-end recruitment, intelligently connect candidates to roles, and facilitate global hiring with seamless contracts and payments.Applied AI/Human Data Side – Collaborating with top-tier AI researchers from leading labs like OpenAI, Anthropic, and Google to create post-training datasets that enhance foundational model capabilities.

Role overview Azumo is looking for a Fullstack .Net Developer to build and support backend systems used by millions of people worldwide. This is a fully remote role available to candidates throughout Latin America, including those based in Mexico. What you will do Develop and maintain scalable backend infrastructure using .Net technologies Work with the engineering team to improve and extend existing services Design solutions that prioritize efficiency and strong performance Collaborate with colleagues to address complex technical challenges Who thrives here Engineers who enjoy teaming up to find practical solutions Developers interested in innovating and refining established systems People who are comfortable working remotely with colleagues across Latin America

About CluelyAt Cluely, we are on a mission to revolutionize the way AI empowers individuals by providing unparalleled assistance in any scenario. Our innovative desktop assistant leverages screen, microphone, and audio context to deliver insights and recommendations beyond the capabilities of traditional models, which often lack contextual awareness.Our competitive edge comes from two key factors:We believe that chatbots are not the ideal interface for multi-modal AI.We possess the ability to create viral experiences.About the RoleAs a Founding Engineer, you will be part of a dynamic team working in-person in San Francisco six days a week, dedicating 10-12 hours each day to our projects. Housing is provided, and we expect you to reside within a block of our office.Our codebase is meticulously maintained with strict typing (no ts-ignore or any usage). We utilize technologies like Bun, Elysia, and strictly typed routes to ensure robustness.You may be a perfect fit if you:Are among the top engineers globally.Possess strong fullstack engineering skills (experience with React, Electron, and infrastructure).Have expertise in efficiently fetching and caching data within React applications.Can design and structure database schemas for optimal read and write performance.Are comfortable with deploying and scaling applications while evaluating different infrastructure/devops solutions.Expect a thorough discussion on these topics during the interview.Are ready to fully commit your life to achieving greatness.Compensation:Founding engineers can anticipate a base salary ranging from $250,000 to $350,000, along with 0.25-0.5% equity.We also offer complimentary meals.

Role Overview Sigma Computing builds a high-performance data platform designed to make analytics accessible and useful for a wide range of users. The engineering team is growing, and Sigma is looking for a Fullstack Staff Software Engineer in San Francisco, CA. This role focuses on solving technical challenges across the stack and shaping features that help businesses work with data more easily. What You Will Do Tackle complex engineering problems to deliver fast, interactive analytics and workflow applications on top of modern data warehouses. Develop software using tools and languages such as Rust, Go, GraphQL, and Typescript. Create new algorithms and techniques to improve performance and interactivity for analytics used by large enterprises. Investigate, debug, and resolve product or system issues by identifying root causes. Design and build new software features to support a rapidly increasing user base. Work closely with teams across infrastructure, design, product, customer support, sales, and marketing to deliver new product capabilities.

Agiloft is a globally recognized leader in data-driven contract lifecycle management (CLM) software. Our innovative Data-first Agreement Platform (DAP) empowers organizations to effectively manage every aspect of their contracts—from proposal and negotiation to signing and execution—ensuring they maintain a competitive edge. Our approach leverages advanced artificial intelligence to serve as a legal force multiplier, combined with strong integration capabilities that free data for enhanced decision-making. Clients across the globe trust Agiloft’s certified implementers to deliver interconnected, intelligent, and autonomous solutions that streamline the entire contract lifecycle.Industry experts, including Gartner, Forrester, and IDC, consistently highlight Agiloft as a frontrunner in the CLM sector. Our no-code platform is designed for ease of use, allowing business users to manage and administer it effortlessly. This is reflected in our impressive customer satisfaction rate—with close to 100% of new clients pleased with their initial implementations and a remarkable 97% renewal rate each year. We are an expanding, dynamic company at the forefront of a market that is becoming essential for organizations worldwide.At Agiloft, we strive to create an inclusive and supportive workplace where individuals from diverse backgrounds can express their authentic selves every day. Our philosophy is rooted in the belief that “Employee Experience equals Customer Experience” (EX = CX): an excellent employee experience translates to superior customer satisfaction. We actively support multiple Employee Resource Groups (ERGs) and promote a healthy work/life balance by offering flexible holidays and a quarterly wellness day, no questions asked.Position OverviewAs a Senior Software Engineer at Agiloft, you will collaborate with a talented team of entrepreneurs, engineers, data scientists, designers, and legal experts to innovate new solutions that transform the way contracts are created, reviewed, negotiated, and stored. You will play a crucial role in designing, building, and deploying products that address the evolving needs of our clients in a rapidly growing environment.Some of our achievements include:A global, enterprise-scale serverless platform on AWS, deployable on demand.A suite of applications powered by large language models (LLMs), with thoughtful queuing and load balancing to efficiently manage LLM capacity at scale.An API-first development culture, with a backend that supports an increasing number of frontend clients.

About Us:At Point One Navigation, we are pioneering the future of precise location technology. Our vision is to create a cohesive location platform that fosters autonomy, enhances safety, and drives efficiency across various sectors, including robotics and transportation. Our team is characterized by high performance and collaboration, dedicated to tackling intricate challenges, accelerating development, and making a significant impact.The Role:We are on the lookout for a Senior Fullstack Engineer to become an integral part of our Applications team. In this role, you will design and develop user-friendly interfaces, implement sophisticated interactive features, and craft seamless user experiences for our web applications and mapping solutions.What You'll Do:Design and develop responsive web and native applications using React, TypeScript, and cutting-edge frontend technologies.Create and maintain component libraries and design systems to ensure product consistency.Collaborate closely with design teams to translate wireframes and mockups into top-tier interactive interfaces.Enhance application performance, accessibility, and cross-browser compatibility in production environments.Work in tandem with backend engineers to integrate APIs and implement comprehensive product features.Engage in code reviews, technical planning sessions, and cross-functional product development initiatives.