ABOUT OPENROUTER OpenRouter is the leading AI routing and infrastructure layer that enterprises use to access, manage, and optimize the best large language models across providers—without lock-in, capacity constraints, or unnecessary cost. We power the most advanced AI teams in the world by giving them the flexibility to move fast, scale confidently, and stay future-proof as models evolve. As enterprise adoption of AI accelerates, OpenRouter sits at the center of how organizations operationalize LLMs across research, product, and production workloads. ABOUT THE ROLE We're hiring a Software Engineer on our Developer Products team to build the surfaces external developers use to integrate with OpenRouter — our API, SDKs, docs, CLI, and other tools. Today, this work is owned by a small group, and the developer ecosystem around OpenRouter is growing quickly. Your work will also shape how agents interact with our platform and integrations. This role is ideal for engineers who love autonomy, value collaboration, and have a track record of shipping software that works. You’ll play a critical role in shaping our product as we scale, helping expand our platform’s features, and delivering ex... Click Apply to read the full job description.