Backend Software Engineer

Responsibilities

• Design reliable, reproducible, and extendable eval pipelines
• Build infrastructure for continuous eval monitoring frameworks, including regression/drift monitoring and golden datasets
• Design, build, and maintain backend services and APIs to support intelligent automation and knowledge systems
• Integrate and structure data across internal platforms for AI workflows
• Collaborate with data, research, and engineering teams to integrate OpenAI models into workflows
• Own the full development lifecycle of new backend systems and internal platform capabilities

Requirements

• 4+ years of backend engineering experience at product-driven companies
• Proficiency in Python, FastAPI, and Postgres
• Experience designing and scaling distributed systems, APIs, or data processing pipelines
• Experience building AI agents or applications, including designing evals and performance improvement
• Familiarity with LLM evaluation methods, multi-agent workflows, tool use, or long context
• Experience creating production evals or measuring ML/LLM model performance at scale

About the Company

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity.