Backend Software Engineer - B2B

Backend Software Engineer - B2B Applications

B2B Engineering - San Francisco and New York City

About the Team OpenAI’s B2B organization 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 design and scale the systems that drive our developer and enterprise-facing products. In this role, you’ll architect and maintain the services and infrastructure that power OpenAI applications—from large-scale distributed systems and databases to APIs and data pipelines. You’ll collaborate closely with product, research, and infrastructure teams to bring new AI capabilities to production while ensuring performance, safety, and compliance at global scale.

In this role, you will:

• Own the end-to-end development lifecycle for 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:

• 7+ years of professional engineering experience (excluding internships) 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
• Are proficient 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-driven companies by effectively navigating loosely defined tasks and managing competing priorities or deadlines.

Compensation

$255K – $405K + Offers Equity

We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic.