API Engineer Jobs in San Francisco, CA

Join a team that's shaping the future of private markets by building intuitive, full-stack solutions that streamline investment processes. Collaborate with passionate engineers and drive impactful pro...

Join a team that's shaping the future of AI by leading the development of scalable, high-quality systems. Leverage your expertise to mentor engineers and drive architectural decisions in a dynamic sta...

Join a team that's revolutionizing payments by building robust, scalable solutions. Collaborate on microservices and user interfaces, ensuring seamless transactions for businesses globally while moder...

Transform our data ecosystem by designing and evolving scalable infrastructure, ensuring reliable data movement, and building a robust foundation for AI applications. Collaborate with teams to enhance...

Join us to shape the future of consumer credit through innovative software solutions. As a Senior Software Engineer, you'll drive product outcomes, mentor peers, and build systems that enhance financi...

Innovate an AI-driven customer service system to handle e-commerce inquiries, resolve disputes, and guide transactions. Lead efforts in multilingual support and model optimization to enhance user expe...

Join us to provide technical leadership in enhancing proxy architecture and protocols, driving innovation in Layer 7 security solutions, and modernizing our codebase for scalable delivery of key featu...

Lead the charge in architecting advanced Layer 7 security solutions, enhancing proxy frameworks, and driving innovation within the Zero Trust architecture. Collaborate with cross-functional teams to o...

Lead the charge in enhancing our platform's foundation. Tackle complex systems, improve developer tooling, and drive AI tool adoption to elevate engineering practices and platform performance across a...

Cogent Security is seeking talented Backend Senior and Staff Engineers to design and implement backend services and integrations for their autonomous AI workers. The role involves building scalable in...

Drive the vision for our enterprise integration solutions, leading strategies for APIs and developer experiences. Collaborate with cross-functional teams to enhance product usability and unlock deploy...

Optimize cloud security frameworks by embedding robust security practices across infrastructure and engineering teams, ensuring scalable, compliant, and secure environments while enhancing developer w...

Advance the future of software engineering by leading complex, scalable solutions. Drive initiatives from design to deployment, ensuring reliability and performance while collaborating across teams to...

Shape the future of backend services by setting technical direction, guiding AI-native workflows, and enhancing platform standards across multiple engineering teams to accelerate development and deliv...

Optimize Shopify's checkout and post-purchase experiences by developing key features and tools. Collaborate with a small, autonomous team, tackling challenges across multiple systems with a focus on p...

Shape the future of AI by building robust distributed systems for large-scale LLM inference. Collaborate with a high-impact team to enhance model performance, reliability, and user experience across o...

Accelerate progress at the forefront of AI/ML by designing and building a robust platform that seamlessly transitions machine learning models from experimentation to production across diverse environm...

Innovate hiring strategies to shape talent acquisition for Engineering and Go-to-Market roles. Collaborate with hiring managers and evolve processes while building a vibrant candidate experience and a...

Elevate your career by designing and implementing user-friendly web applications. Collaborate with engineers and designers to enhance aviation safety through innovative React-based features and real-t...

Join a dynamic team to develop AI-driven features that enhance customer support operations, collaborating cross-functionally and managing projects independently in a fast-paced environment. Your contr...

Engineer scalable backend services and APIs to enhance our global marketplace. Collaborate with cross-functional teams, utilizing modern technologies like Go, Python, and Redis to deliver high-perform...

Make your mark at a dynamic team focused on building resilient systems that process billions of events. Collaborate globally to enhance user identification and reward mechanisms while leveraging cutti...

The Backend Engineer, Models at Meter Zero will design and implement a unified data interface to support model development and real-time inference in networking systems. This role involves building sc...

Advance AI-driven search capabilities by architecting systems that integrate LLMs and retrieval methods to provide accurate answers to contract inquiries while collaborating with cross-functional team...

Engineer cutting-edge IT solutions as part of an agile team, focusing on identity management, automation, and compliance. Expand your skills while driving high-impact infrastructure projects using clo...