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Software Engineer, API Frontiers

New York City💼 Full-time🗓 2026-09-11 → 2026-09-26

Core

Build and operate backend services and APIs that bring frontier AI model capabilities into production for developer use.

Role type

Senior backend software engineer (distributed systems & APIs)

Builds

Production APIs, long-running agent workflows, and developer-facing interfaces for model capabilities

Domain

Artificial Intelligence / Distributed Systems / Backend Infrastructure

Deliverable

production ML models

Required skills

Backend service architecture, distributed systems, concurrency, asynchronous execution, observability, performance profiling, API design

Preferred skills

Rust, streaming protocols, WebSockets, long-running workflow systems

Responsibilities

Design and operate APIs for frontier model capabilities, partner with research teams to define API behavior, build capabilities for agent workflows, strengthen request reliability, improve performance and tail latency, convert feedback into product improvements

Seniority

Senior, hands-on IC

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