AI-Driven API Platform Engineer for DevTools

United States Digital Space LLC; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

United States Digital Space LLC is seeking engineers to own critical APIs end-to-end and shape the boundary between infrastructure and external world for agents and developers.

You’ll design, implement, and deploy high-load services in Go, Rust, and Python, while contributing to developer-facing tooling and platform surfaces. Expect collaboration with product, research, and GTM teams.

Qualifications

• Experience designing and operating distributed, high-load systems.
• Experience building with frontier models and tools, open or closed source.
• Strong product sense: design for developers and customers, anticipating next needs.

Responsibilities

• Own critical APIs end-to-end: RFCs, implement, deploy, monitor and iterate.
• Contribute to product codebases in Go, Rust, Python.
• Build surfaces consumed by agents: hosted MCP, tool calling, connectors, auth flows.

Skills

Distributed systems design

API design

Developer-focused thinking

Tools

Go

Rust

Python

Kubernetes

CI/CD

Security best practices

Job description

United States Digital Space LLC is seeking engineers to own critical APIs end-to-end and shape the boundary between infrastructure and external world for agents and developers.

You’ll design, implement, and deploy high-load services in Go, Rust, and Python, while contributing to developer-facing tooling and platform surfaces. Expect collaboration with product, research, and GTM teams.