LLM Application Developer

Build delightful LLM-powered features end-to-end. You will work on retrieval, function calling, streaming UX, and robust output validation for consumer-facing products.

OpenAI Labs is looking for a Mid-level professional who can own outcomes end-to-end. You will partner with product, research, and platform teams to ship reliable AI-powered features, instrumented with the evaluation harnesses this role is responsible for.

Day-to-day you will design systems around Python, TypeScript, RAG, write production code, review pull requests, run evaluations, and contribute to a blameless postmortem culture. We expect strong written communication and comfort working in a fast-moving, evidence-driven environment.

This role is remote-friendly and reports into the Artificial Intelligence practice. Compensation ranges from $140K–$210K plus equity and benefits. We are an equal-opportunity employer and actively seek candidates from non-traditional backgrounds who have built real AI systems.