Staff Backend Engineer - Payments & Billing Platforms

OpenAI, Inc.; United States; Remote; USD 240,000 - 360,000; Full time

Job summary

OpenAI, Inc. is seeking Staff+ backend engineers to design and operate the financial systems behind ChatGPT, Codex, and the API platform.

You will work on payments, subscriptions, billing, product catalogs, SKUs, and entitlements, connecting purchases to access across global markets and ensuring accurate, auditable billing. You will own end‑to‑end technical decisions, collaborate with product, design, and finance teams, and help scale live systems while maintaining security, reliability, and a

Qualifications

• Experience with payments, subscriptions, pricing, billing, or other systems that manage customer purchases and revenue.
• Experience with product catalogs, packaging and bundles, workspace management, entitlements, or usage metering.
• Experience building financial or transaction systems at scale, checking that records match across systems, or supporting compliance and audits.

Responsibilities

• Design and build systems for purchasing, payments, subscriptions, and billing across the company 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.
• 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.

Skills

Backend engineering

Payments systems

Billing systems

Financial systems

Job description

OpenAI, Inc. is seeking Staff+ backend engineers to design and operate the financial systems behind ChatGPT, Codex, and the API platform.

You will work on payments, subscriptions, billing, product catalogs, SKUs, and entitlements, connecting purchases to access across global markets and ensuring accurate, auditable billing. You will own end‑to‑end technical decisions, collaborate with product, design, and finance teams, and help scale live systems while maintaining security, reliability, and a