Staff Backend Software Engineer - AI Platform

Role Overview Stripe is hiring a Backend Engineer focused on Developer Experience and Product Platform. This team builds and maintains backend systems that help developers work more efficiently and improve Stripe’s product features. The work supports a growing user base and shapes how developers interact with Stripe’s platform. What You Will Do Design and develop backend services that scale with Stripe’s needs Enhance systems to streamline the developer experience Collaborate with engineers to improve product functionality and reliability Who We’re Looking For Skilled in backend engineering, with experience building efficient and scalable systems Comfortable working in environments where priorities shift and growth is rapid Motivated to make a positive impact on how developers use Stripe’s platform Location Positions available in Seattle and San Francisco.

Who Are We?Postman is the leading global API platform, utilized by over 45 million developers and 500,000 organizations, including 98% of the Fortune 500. We are dedicated to fostering an API-first world by simplifying every stage of the API lifecycle and enhancing collaboration, enabling users to build superior APIs more efficiently.Headquartered in San Francisco, Postman has offices in Boston, New York, Austin, Tokyo, London, and Bangalore—the birthplace of our company. We are a privately held organization, supported by investors like Battery Ventures, BOND, Coatue, CRV, Insight Partners, and Nexus Venture Partners. Discover more at postman.com or connect with us on X at @getpostman.P.S: We highly encourage you to read The "API-First World" graphic novel to gain insight into our vision at Postman.The OpportunityWe are seeking a talented Senior Backend Engineer to join our Cloud Platform team, where you will be instrumental in developing the core systems and services that drive Postman’s internal platform. You will design and implement new backend services responsible for deploying, scaling, and managing our infrastructure and product services, utilizing Java, Spring Boot, and Hibernate (JPA) alongside cloud-native technologies such as Kubernetes, ArgoCD, Istio, and Terraform.Your contributions will have a significant impact, as the systems you create will be employed across Postman engineering, enabling quicker delivery, improved scalability, and an enhanced developer experience. Additionally, you will have the chance to contribute to open-source projects, extending your influence beyond Postman’s ecosystem.What You’ll DoDesign and develop backend services in Java and Spring Boot to enhance Postman’s internal Cloud Platform.Architect new services for managing service deployment, lifecycle, and scaling across Kubernetes clusters.Implement GitOps workflows (ArgoCD) to facilitate continuous delivery.Integrate with cloud-native tools such as Istio, Helm, and Terraform.Adhere to robust software engineering practices, including testing, code reviews, CI/CD, and comprehensive documentation.Drive innovation by participating in open-source initiatives where applicable.Collaborate with Cloud Architects, DevOps engineers, and product teams to ensure alignment with business objectives.Ensure the performance, reliability, and scalability of the systems you develop.

Join PlasmidsaurusAt Plasmidsaurus, we're dedicated to pioneering new cures and fostering a healthier planet by empowering scientists to achieve unprecedented productivity. Our sequencing services are utilized daily by a diverse range of innovators, including Nobel Prize winners, Fortune 100 pharmaceutical companies, and over 70,000 scientists globally.We initiated a revolution in plasmid sequencing, drastically reducing costs and shortening timelines through cutting-edge sequencing technologies and a worldwide network of laboratories that convert samples into insights within hours instead of weeks.As we extend our innovative model across the genomics landscape, our latest RNA-seq service is a significant leap towards our goal of sequencing everything, providing scientists everywhere with quicker, simpler, and more affordable access to essential data that fuels discovery.Every member of the Plasmidsaurus team plays a pivotal role in shaping the future of biotech research. Together, we're constructing the most efficient sequencing engine in the world that operates overnight, scales globally, and accelerates scientific breakthroughs like never before.Position OverviewAs a Backend Product Engineer, you will be instrumental in developing robust backend services that drive our influence in the biotech sector. Your responsibilities will include:Creating REST APIs to facilitate seamless integration of DNA sequencing results into lab notebooks for our customers.Designing and implementing services and APIs to enhance our rapid operations, coordinating couriers, laboratories, and robotic systems across the globe.Developing high-performance payment services to optimize billing, invoicing, and product pricing.Building scalable backend systems capable of processing terabytes of sequencing data daily, thereby supporting our frontend bioinformatics analytics tools.Company CultureWe seek individuals who:Thrive in a high-agency and high-ownership environment.Are eager to learn from the expertise of others in scientific and biological fields.Are passionate about making a meaningful impact in the scientific community, contributing to the development of the next generation of medicines, biotechnology, and even plant-based alternatives!Can independently lead projects from conceptualization to production.

About AnthropicAt Anthropic, we are dedicated to developing advanced AI systems that are not only reliable and interpretable but also safe for our users and society at large. Our rapidly expanding team comprises passionate researchers, engineers, policy experts, and business leaders all collaborating to create beneficial AI solutions.Role Overview:As a pivotal member of our UI Platform team, you will contribute to Claude.ai, Anthropic's flagship consumer product, which encompasses web, mobile, desktop, and browser extensions. Your role will revolve around building the core infrastructure, components, APIs, and tooling that enable our product teams to deliver high-quality features swiftly and reliably.Your contributions will include designing and deploying shared components and design-system abstractions, enhancing the backend-for-frontend (BFF) APIs, and optimizing the build, deployment, and observability systems that ensure Claude.ai functions seamlessly across all platforms. The impact of your work will significantly accelerate innovation across teams while maintaining stability in user experiences.If you are passionate about enhancing developer experience and want your engineering contributions to multiply the impact across various features, this role is tailor-made for you.

At Sciforium, we are at the forefront of AI infrastructure, dedicated to the development of advanced multimodal AI models and an innovative serving platform that emphasizes high efficiency. With substantial funding and direct collaboration from AMD, our team is rapidly expanding to create the complete stack for pioneering AI models and dynamic real-time applications.Role OverviewThis position provides a distinct opportunity to engage with the fundamental systems that drive Sciforium's multimodal AI models. You will play a crucial role in constructing the model serving platform, working with C++, Python, runtime execution, and distributed infrastructure to design a swift, dependable engine for real-time AI applications.You will acquire practical experience in performance engineering, discover how large AI models are optimized and deployed at scale, and collaborate closely with ML researchers and seasoned systems engineers. If you thrive in low-level programming and are passionate about performance, this role offers both impactful contributions and significant growth opportunities.

Join Databricks as a Staff Backend Software Engineer on our AI Platform team, where you will play a pivotal role in shaping the future of data analytics and machine learning. You will work collaboratively with talented engineers to design, develop, and enhance robust backend systems that drive our cutting-edge AI solutions. Your innovative mindset and technical expertise will help us deliver unparalleled value to our customers.

About StravaStrava is the ultimate app for individuals who embrace an active lifestyle. With a vibrant community of over 180 million athletes spanning more than 185 countries, Strava transcends mere workout tracking—it's a platform where individuals collaborate to achieve their goals, develop new habits, and surpass personal milestones. Regardless of your chosen sport or tracking method, Strava is here to support you. Join us and start crushing your goals today by beginning your journey with Strava.Our mission is straightforward: to inspire individuals to lead their most active lives. We firmly believe in the transformative power of movement to connect and propel people forward.About This RoleAs a key member of the Foundation engineering team at Strava, you will play a crucial role in ensuring the reliability and security of the infrastructure that supports millions of athletes on their journeys. You will develop the tools, frameworks, and platforms that are essential to delivering valuable features to our users.In your role as a Senior Engineer on the Foundation team, you will have the opportunity to enhance Strava's core platform. You will empower teams to innovate swiftly and confidently by enhancing the developer experience, creating tools, collaborating with teams, and ensuring that features are delivered safely and efficiently.We embrace a flexible hybrid work model, which means you will spend over half of your time on-site at our San Francisco office—three days a week.

Join code-metal as a Senior Platform DevOps Engineer and play a pivotal role in shaping our CI/CD processes and enhancing the developer experience. In this position, you will collaborate with cross-functional teams to build and maintain robust infrastructure, ensuring seamless integration and deployment of applications. Your expertise will help drive innovation and optimize workflows, enabling our developers to focus on creating exceptional products.

Role overview Adyen seeks a Head of Product for Developer Experience in San Francisco. This leadership role centers on strengthening the developer ecosystem by shaping and executing product strategy for developer tools and platforms. What you will do Collaborate with cross-functional teams to design and deliver solutions that enhance developer engagement. Lead a group of product managers and developers, setting clear direction and upholding high standards for quality and usability. Drive product initiatives that advance Adyen’s developer offerings and support their growth and effectiveness. Apply insights and feedback to guide the evolution of developer platforms and tools. Leadership impact This position shapes how developers interact with Adyen’s products. The Head of Product ensures the team’s work consistently meets high expectations for quality and user experience.

Tzafon is at the forefront of machine intelligence, specializing in the development of scalable compute systems. With offices located in San Francisco, Zurich, and Tel Aviv, we have successfully secured over $12 million in funding to push the boundaries of machine intelligence.Our dynamic team consists of engineers and scientists with profound expertise in machine learning infrastructure and research. Founded by experts with accolades such as IOI and IMO medals, PhDs, and backgrounds from top tech companies, we are dedicated to training models and constructing infrastructure that empowers swarms of agents to automate tasks in real-world scenarios.Your Responsibilities:Design, version, and manage core APIs within our systemsOrchestrate processes ensuring isolation, quotas, and safety measuresImplement approval mechanisms along with audit and replay functionalitiesEstablish observability through OpenTelemetry spans, logs, metrics, and replayable tracesEnhance reliability through SLOs, autoscaling, backpressure, and retry mechanisms

Join Databricks as a Staff Backend Software Engineer on our cutting-edge AI Platform team. We are on a mission to simplify data and AI for enterprises worldwide. In this role, you will be pivotal in developing robust backend systems that support our AI initiatives, driving innovation and efficiency.As a member of our dynamic team, you will work with the latest technologies and methodologies to create scalable solutions that meet the needs of our clients. Your expertise will help shape the future of our AI Platform, delivering exceptional user experiences and insights.

Join our innovative team at Databricks as a Staff Backend Software Engineer focusing on our cutting-edge AI Platform. In this pivotal role, you will be responsible for designing, developing, and optimizing backend systems that empower data scientists and engineers to build AI applications efficiently.As a key contributor, you will work closely with cross-functional teams to deliver scalable solutions that enhance our platform's capabilities. Your expertise will drive the development of robust features that support machine learning workflows and big data processing.

Join Monaco, the pioneering revenue engine tailored for startups. We are on a mission to revolutionize the way businesses engage with their customers by creating an AI-driven platform that replaces outdated CRMs and fragmented sales solutions. As a Backend Product Engineer, you will play a vital role in shaping Monaco’s core product, collaborating closely with our product and design teams to transform abstract ideas into tangible features that our customers rely on daily. This position offers a hands-on opportunity with significant ownership, taking you from the initial prototype phase through to production and beyond.

Since the inception of aviation, pilots have consistently battled air resistance, akin to sailors managing the friction of water. Amid this ongoing challenge, the trim tab stands out as a brilliant yet understated innovation. Just as the wheel transformed land transportation by facilitating movement, the trim tab enhances flight, enabling smoother navigation through the skies. It exemplifies the beauty of simplicity in engineering, turning the demanding task of aircraft control into a more refined and manageable experience. At Mercury, we are dedicated to creating a remarkable banking experience for startups. Our team is deeply committed to ensuring our product not only satisfies but anticipates the evolving needs of our customers. Our product engineering team is expanding, and we are eager to bring on senior backend engineers. We are a group of practical, product-focused engineers driven by the desire to develop products that rescue our customers from the frustrations of outdated, costly industry tools. In this role, you will: Embrace a strong sense of product ownership and proactively seek responsibility—our team often self-organizes on small to medium-sized projects, and we are looking for someone enthusiastic about shaping and building the future of Mercury. Thrive in an autonomous environment with a close-knit team, embodying a “startup within a startup” culture. Collaborate closely with designers and product leaders to deliver delightful experiences, aiming to elevate the standard of banking and fintech software. Many of our customers are startups who value our sleek and intuitive designs. Join a team of seasoned product engineers within one of our Mercury product groups, such as Banking, Experiences, Expansion, or Risk.

CoreWeave is The Essential Cloud for AI™, designed and built by pioneers for pioneers. We empower innovators to confidently build and scale AI through our advanced technology, tools, and expert teams. Trusted by top AI labs, startups, and global enterprises, CoreWeave combines exceptional infrastructure performance with profound technical expertise to drive innovation. Founded in 2017, we became a publicly traded company (Nasdaq: CRWV) in March 2025. Discover more at www.coreweave.com.What You’ll DoAbout the TeamThe Enterprise Systems team at CoreWeave is tasked with constructing, maintaining, and scaling the internal platforms that facilitate collaboration and productivity across the organization. This encompasses tools such as Atlassian (Jira, Confluence) and Asana, supporting our engineering, product, and business teams, along with external partners. Our focus is on ensuring reliability, scalability, and the ongoing enhancement of internal tools to empower teams to operate efficiently and effectively.About the RoleIn the role of a Productivity Platforms Engineer, you will be instrumental in the daily administration and enhancement of CoreWeave’s collaboration and work management tools. Collaborating closely with seasoned engineers, you will maintain system reliability, troubleshoot issues, and implement improvements to optimize team workflows. This position involves hands-on configuration, user support, and gaining exposure to automation and integrations. Over time, you will assume responsibility for specific tools and workflows as you develop your technical expertise.

Role overview Faire is seeking a Staff Backend Engineer to join the Discovery Experience team in San Francisco, CA. The focus of this position is on Search FX, where the goal is to improve search features so users can find what they need quickly and enjoy a seamless experience across the platform. What you will do Enhance and fine-tune backend search systems to provide relevant and rapid results. Collaborate with engineers, designers, and product managers to shape how users discover products. Apply technical expertise to build reliable and scalable solutions for search functionality. Collaboration This role involves frequent interaction with cross-functional teams. Sharing ideas, reviewing technical solutions, and helping guide the technical direction are all part of the work as the platform continues to grow.

Join Convex in Revolutionizing Application Development!At Convex, we are on a mission to revolutionize the way developers build applications by enabling them to create fast, reliable, and dynamic apps without the need for a backend team. Our innovative full-stack app platform is meticulously crafted with database, compute, and backend abstractions, allowing developers and LLMs to rapidly innovate while ensuring scalability and simplicity throughout the product lifecycle.Meet Our Team:Our team comprises talented engineers who have built and designed some of the world’s most extensive backends, handling exabytes of data and millions of transactions per second, while also delivering desktop and mobile software across billions of devices. We pride ourselves on our friendly, collaborative, and passionate culture, thriving in our San Francisco office.The Opportunity:As a key player in our backend platform, you will enhance our standout client API and developer experience. We have dedicated significant resources to perfecting our client libraries, development APIs, and sync protocol, ensuring that Convex is a delight for application developers. We are looking to grow our team to advance the next iteration of the Convex API and redefine the modern application stack.If you are an experienced TypeScript developer with a passion for elegant API design and recognize the importance of robust platforms in the age of AI development, we want to hear from you!Your Responsibilities:Design, develop, and maintain Convex’s client libraries, sync protocol, and query APIs.Stay updated with new frameworks and technologies within the app development landscape.Gain insights into effective abstractions that scale and integrate seamlessly within our stack to create libraries that are user-friendly and maintainable.Work autonomously to prioritize impactful projects while collaborating closely with the engineering team and CTO (hi! I'm James).Contribute to establishing best practices and design guidelines as our team and systems expand.Write engaging and innovative client library code.

About UsAt Koah Labs, we are pioneering an advertising network tailored for the next generation of AI-driven products. Our objective is to empower publishers to optimize their revenue while enabling advertisers to connect with their ideal audience, all without sacrificing speed, user experience, or privacy.As a compact, tightly-knit team based in San Francisco, our members bring expertise from esteemed organizations such as X, Apple, and Meta, as well as from dynamic startups. With backing from top-tier investors, we are rapidly expanding and gaining significant traction on both the publisher and advertiser fronts.Joining Koah Labs means being part of a foundational phase: you will develop code that significantly impacts both the company and the innovative ecosystem we are crafting. We prioritize agility, foster a culture of high trust, and are deeply committed to our craft.Our Technology StackInfrastructure: Terraform, AWS, LGTM (Loki, Grafana, Tempo, Mimir), Tailscale, CloudflareData Management: PostgreSQL, ClickHouse, Redis, Kafka, PythonCore Application Development: Ruby on Rails, React, TypeScriptSDK Development: Flutter, React Native, Android, iOSKey ProjectsDevelop scalable data models that facilitate multiple impressions for ad requestsCreate abstractions that enable experimentation and deployment of new formats to track engagement events effectivelyImplement a low-latency frequency capping system to enhance the user experienceIdeal Candidates Will:Have a passion for debugging and optimizing performanceBe detail-oriented, crafting reliable abstractions for team membersEnjoy experimentation, measuring results, and establishing dependable systems

Role Overview Klaviyo is hiring a Lead Product Manager for Developer Experience in San Francisco, CA. This role focuses on making the Klaviyo platform easier and more effective for developers to use. The Lead Product Manager will shape product vision, set strategy, and oversee execution to ensure developer needs are met and new ideas move forward.