Staff Backend Engineer, Financial EngineeringPosted today$266K–$445K

The opportunity

Financial Engineering (FinEng) builds the financial systems behind ChatGPT, Codex, and OpenAI’s API platform. These products serve people, developers, and businesses around the world.

What you'll do

  • Design and build systems for purchasing, payments, subscriptions, and billing: across OpenAI products and global markets.

  • Build product catalogs, SKUs, and bundles that let product teams launch new: offerings and evolve how products are packaged.

  • Develop workspace and entitlement systems that connect purchases and: subscriptions to product access for individuals and teams.

  • Keep charges and product access correct when requests are retried, updates: arrive late, or another service fails.

  • Build metering systems, data pipelines, and APIs that turn large volumes of: usage into accurate bills, timely spending information, and records that are easy to trace and verify.

  • Create reusable building blocks that let product teams launch new offerings,: pricing, and payment options without rebuilding the foundations each time.

What they're looking for

  • Make complex financial workflows simple for customers and internal teams,: using customer feedback and experiments to improve the experience.
  • Scale and evolve live systems while protecting customer access, financial accuracy, performance, and security.
  • Own problems from early design through launch and operation, working with: product, design, finance, and other engineering teams to make and test important technical decisions.
  • Experience with payments, subscriptions, pricing, billing, or other systems: that manage customer purchases and revenue.