Backend Software Engineer, Codex for Finance

About the Team Codex for Finance is a specialized team within OpenAI’s B2B Applications organization. B2B Applications builds and operates the products that bring our cutting-edge research to millions of companies and developers worldwide. We power the OpenAI API and the Enterprise products that empower people around the world to do their jobs better and more efficiently. Our teams span product engineering, backend infrastructure, and safety, working together to ensure that OpenAI’s technology is delivered with reliability, security, and a world-class user experience. About the Role We’re looking for backend engineers to help design and scale the systems that will drive the future of AI in finance. We’re a small, specialized team operating like a startup within OpenAI, and we’re looking for like-minded builders to join us. On March 5, we launched ChatGPT for Excel https://openai.com/index/chatgpt-for-excel/ — just the first step in what we’re building in this space. In this role, you will: - Own the end-to-end development lifecycle for new new platform capabilities and integrations with other systems - Collaborate closely with product, design and external customers to understand problems and implement effective solutions - Work with the research team to improve our next generation of models Your background might look something like: - 4+ years of professional engineering experience in relevant roles at tech and product-driven companies - Former founder, or early engineer at a startup who has built a product from scratch is a plus - Proficiency in one or more backend languages (e.g., Python, Go, Rust, Typescript or similar) and distributed systems concepts. - Enjoy building infrastructure that supports billions of requests and petabytes of data. - Care deeply about reliability, safety, and performance in production environments. - Interest in AI/ML (direct experience not required) - Proven ability to thrive in fast-growing, product-driv