"backend api" Jobs
397 open tech roles matching “backend api”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, TypeScript, React. Every listing is re-checked daily and closed roles are removed.
Showing 20 of 397 results
Join Verse as a Fullstack Software Engineer to develop innovative energy solutions for the AI economy in a hybrid work environment.
Join Factory as a Fullstack Software Engineer to develop core platform infrastructure for enterprise-grade development tools.
Lead the Lab Notebook and Enterprise Lifecycle teams as a senior technical authority to drive impactful software solutions in biotech.
Join Nuna as a Software Engineer to build an AI health coach, owning features from design to production in a collaborative team.
Join Airbyte as a Senior Fullstack Engineer to build internal tools and user-facing features that enhance engineering productivity and customer experience.
Own the success of strategic Partner integrations at Supabase, focusing on high-quality developer experiences.
Join Stuut as a Fullstack Member of Technical Staff to design and scale systems for B2B financial operations.
Join Anthropic as a Staff+ Software Engineer to build reliable connectivity infrastructure for AI systems.
Join Anthropic as a Staff+ Software Engineer to build and scale Claude Managed Agents in a rapidly growing team.
Join TRM Labs as a Senior Full Stack Engineer to build scalable software solutions that enhance safety and security worldwide.
Join Bretton AI as a Forward Deployed Engineer to integrate AI solutions in financial institutions while collaborating with enterprise customers.
Join Anthropic as a Software Engineer to enhance developer experience and build foundational web platform tools for AI systems.
Join Backflip as a Software Engineer to build full-stack systems and APIs in a hybrid role at our San Francisco headquarters.
Join Frec as a Backend Engineer to build a world-class financial platform with a focus on stability and collaboration.
Join HappyRobot as a Senior Backend Software Engineer to design and operate backend services for AI-driven enterprise solutions.
Join Figma as a senior backend engineer to enhance Ruby frameworks and improve backend systems for product functionality.
Build and own full-stack applications for CoreWeave's data platform, UNION, in a fast-paced, innovative environment.
Join Beacon Software as a Member of Technical Staff to build a robust data platform for a growing portfolio of SaaS companies.
Join Sleeper as a Senior Backend Engineer to build and own core systems for real-money gaming with millions of users.