Software Engineer, API MultimodalActive$266K–$445K

The opportunity

API Multimodal builds the developer-facing products and infrastructure that bring OpenAI’s image, audio, and real-time model capabilities into the world. We are responsible for high-scale multimodal APIs, including image generation and Live API .

What you'll do

  • Design, build, and ship developer-facing APIs and backend services that serve frontier models.

  • Architect low-latency streaming, request, session, and model integration: systems that make complex multimodal interactions reliable and intuitive at scale.

  • Work directly with Research to bring new model capabilities into production,: shape the systems around them, and incorporate feedback from real-world developers and customers.

  • Own the availability, latency, scalability, and cost efficiency of the services you build.

  • Own projects from technical design and implementation through launch and: ongoing iteration, while raising the team’s engineering standards.

  • + years of professional experience, excluding internships, in backend,: infrastructure, platform, or product engineering roles.

What they're looking for

  • A track record of designing, building, and operating production backend: services, developer-facing APIs, or distributed systems.
  • Strong software engineering and systems fundamentals, with experience leading: technically complex projects from ambiguous ideas to production.
  • Proficiency in one or more general-purpose backend languages, such as Python, Go, Rust, or TypeScript.
  • Experience building reliable, scalable systems and reasoning about: distributed architecture, concurrency, latency, observability, and operational tradeoffs.