Principal Software Engineer, B2B Engineering | OpenAI

Principal Software Engineer, B2B Engineering | OpenAI Careers Principal Software Engineer, B2B Engineering B2B Applications - Remote - US Apply now(opens in a new window) About the Team OpenAI’s B2B Engineering team brings our most capable technology to the world through our developer platform and enterprise products. We build the backend systems, APIs, and infrastructure that power how developers and organizations use OpenAI in production. Our work spans distributed systems, data infrastructure, platform services, and enterprise-grade capabilities like security, compliance, authentication, and reliability. We partner closely with product, research, design, infrastructure, and forward-deployed teams to turn cutting-edge AI capabilities into scalable, dependable products. About the Role We’re looking for a Principal Software Engineer to design and scale the systems that power our developer and enterprise-facing products. You’ll lead the architecture of backend services and platform capabilities that bring new AI functionality into production safely, reliably, and at global scale. This role spans a broad technical surface area, including distributed systems, APIs, databases, data pipelines, and secure enterprise infrastructure. You’ll help shape both the technical foundation and the product experience of our platform, with a high bar for performance, safety, reliability, and API design. In this role, you will Design, build, and scale the backend services, APIs, and infrastructure that power OpenAI’s developer and enterprise products Lead the architecture of distributed systems, databases, and data pipelines that support large-scale, high-reliability production workloads Own major platform capabilities end-to-end, from early technical strategy and design through implementation, launch, and long-term operation Shape the design of our APIs with care and intentionality, treating API interfaces as core product surfaces and driving a high-quality