Senior Software Engineer, Experimentation Platform

OpenAI; Bellevue (WA); On-site; USD 293,000 - 324,000; Full time

Job summary

OpenAI in Bellevue, Washington, seeks a senior product engineer to build the experimentation and rollout platform that powers our flagship products. You will work across frontend, backend, SDK, data, and infrastructure to make complex workflows feel simple for teams shipping OpenAI services.

This role focuses on shaping the operating system for launches, learning from results, and ensuring safe, scalable rollout across the product surface while collaborating with multiple product groups.

Responsibilities

• Build product experiences and platform capabilities for experimentation, feature flags, dynamic configuration, rollout safety, and analytics.
• Partner with product teams to understand launch workflows, measurement needs, and decision points, then turn those insights into durable platform features.
• Improve SDK and server-side systems so experimentation and configuration are fast, reliable, and safe for high-scale OpenAI services.
• Help teams across ChatGPT, Codex, model measurement, ads, business subscriptions, developer products, and infrastructure use Statsig effectively.
• Design workflows that make it easier to create experiments, interpret results, monitor rollouts, and act quickly when a launch needs adjustment.
• Contribute to the technical direction of a platform that must support rapid adoption, high availability, and increasingly sophisticated product and model evaluation needs.
• Work from the Bellevue office with a team that values ownership, clear communication, and high-trust collaboration.

Job description

OpenAI in Bellevue, Washington, seeks a senior product engineer to build the experimentation and rollout platform that powers our flagship products. You will work across frontend, backend, SDK, data, and infrastructure to make complex workflows feel simple for teams shipping OpenAI services.

This role focuses on shaping the operating system for launches, learning from results, and ensuring safe, scalable rollout across the product surface while collaborating with multiple product groups.