Software Engineer, Developer Products

The role

You will build the surfaces external developers use to integrate with OpenRouter, including the API, SDKs, docs, and CLI. You will also shape how agents interact with the platform and integrations.

What you will do

• Own and evolve the public REST API and developer experience.
• Build and maintain client SDKs across TypeScript and Python.
• Lead the launches of upcoming SDKs.
• Ship the Agent SDK for multi-step, agentic workloads.
• Treat documentation, examples, and starter repos as products.
• Make developer-facing surfaces agent-friendly.
• Collaborate with DevRel, Product, and Platform teams to identify and fix gaps in the developer ecosystem.

Required qualifications

• 5+ years building external-facing developer products such as APIs, SDKs, or developer platforms.
• Strong API and SDK design instincts.
• Strong TypeScript skills.
• AI-forward in your own workflow and interested in what agentic systems can do.
• High agency and a bias toward action.
• Comfortable owning a product line at a small company.
• Strong written communication.

Nice to have

• Prior experience at developer-centric companies
• Hands-on experience designing or maintaining agent SDKs or other agentic developer tooling
• Existing user of OpenRouter
• Contributions to open-source projects
• Side projects in the AI tooling space

About the company

OpenRouter is the leading AI routing and infrastructure layer that enterprises use to access, manage, and optimize large language models across providers. It powers AI teams by providing flexibility to move fast and scale.