Multimodal API Systems Engineer

Ritual Ads ®; San Francisco (CA); On-site; USD 180,000 - 260,000; Full time

Job summary

OpenAI is seeking a software engineer on API Multimodal to build and operate the products and distributed systems behind our image, audio, and real-time APIs. You will work across model integration, API design, and production infrastructure to turn cutting-edge research into reliable developer experiences.

You will own projects end to end, collaborating with Research, Inference, and Safety, and be responsible for availability, latency, scalability, and cost.

Qualifications

• 7+ years of professional experience in backend, infrastructure, platform, or product engineering roles.
• Track record 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.

Responsibilities

• Design, build, and ship developer-facing APIs and backend services that serve frontier models.
• Architect low-latency streaming, request, session, and model integration systems.
• Collaborate with Research to bring new model capabilities into production and shape the systems around them.
• 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.

Skills

API design

Distributed systems

Backend engineering

Python

Go

Rust

TypeScript

Job description

OpenAI is seeking a software engineer on API Multimodal to build and operate the products and distributed systems behind our image, audio, and real-time APIs. You will work across model integration, API design, and production infrastructure to turn cutting-edge research into reliable developer experiences.

You will own projects end to end, collaborating with Research, Inference, and Safety, and be responsible for availability, latency, scalability, and cost.