Developer Products Software Engineer at OpenRouter

Confirmed open

Own OpenRouter's public API, TypeScript and Python SDKs, Agent SDK, CLI and developer documentation for LLM integrations. This posting specifies remote work in the United States.

OpenRouter

Search jobs by company: OpenRouter

Location: Remote
Employment: FullTime
Work arrangement: remote
Technologies: Python, TypeScript

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Role overview

OpenRouter provides routing and infrastructure for access to language models from multiple providers. This engineer builds the developer-facing products used to integrate with its platform.

Responsibilities

Design and evolve the public REST API, including versioning, errors and rate limiting.
Maintain TypeScript and Python client SDKs, launch new SDKs and develop the Agent SDK for multistep workflows.
Improve documentation, examples and starter repositories, including entry points for AI coding agents, and work with developer relations, product and platform teams.

Qualifications

At least five years building external developer products such as APIs, SDKs or developer platforms.
Strong TypeScript and API or library design experience, with clear technical writing.
Ability to own work independently at a small company and interest in agentic AI tooling.

Technology in this role

Python: Maintain TypeScript and Python client SDKs, launch new SDKs and develop the Agent SDK for multistep workflows.
TypeScript: Strong TypeScript and API or library design experience, with clear technical writing.

How to apply

Review the original posting and apply through the employer’s careers page.

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Source checked: 2026-11-09

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