Senior Api Java Python Developer Jobs in San Francisco, CA

…building scalable, distributed systems and developer-facing APIs.

, AWS, SQL databases, API development Bonus: experience working with LLMs, agentic frameworks, and RAG What we offer

1+ years of experience in Java, C#, Go, or Python Willingness to work in person at our office 4-5 days a week

(Python preferred) Own data models, API contracts, and business logic that power ingestion, processing, and review Build systems that handle high

Familiarity with Python, Fast API, TypeScript, Node.js, Supabase, AWS is a plus.

tools, APIs, platforms, or internal tools that became customer-facing Experience with observability, data visualization, or analytics products

…are proficient in crafting robust APIs, managing databases, and developing interactive user interfaces.

API; API Capabilities ships frontier model capabilities—vision, tool use, computer use—directly to developers; API Knowledge builds

…designing and maintaining scalable backend APIs and client libraries, with a focus on performance, reliability, and developer experience.

Qualifications: 5+ years writing python, experience writing async web apps using fast api, testing frameworks

Knowtex.ai Senior Software Engineer (Android) LOCATION San Francisco, CA (in office 3 days a week)

Developer platforms, API products, cloud consoles, or enterprise developer tools, including SDKs, CLIs, MCP servers, agent tools, or machine-readable

features, and API offerings.