Software Engineer Model Routing and Inference

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Anysphere, Inc. (doing business as Cursor)Visit Anysphere, Inc. (doing business as Cursor) website

Cursor is an AI coding-agent product operated by Anysphere, Inc.; it was acquired by SpaceX in August 2026 and continues to operate.

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About Anysphere, Inc. (doing business as Cursor)

Cursor provides AI-assisted software-development tools, including desktop and CLI coding agents, autonomous cloud agents, code review, and enterprise offerings.

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Skills

About the Role

You will build the inference platform that supports AI interactions in the product. You will evolve an inference gateway across provider APIs, design cross-provider failover, and develop routing backpressure and admission controls to prevent traffic spikes from affecting providers.

Requirements

  • Experience building high-throughput low-latency distributed systems
  • Experience with inference serving traffic routing or real-time data pipelines
  • Ability to assess cost and performance tradeoffs at scale
  • Software engineering fundamentals
  • Experience shipping production systems that handle millions of requests
  • Judgment regarding reliability cost latency and user experience

Responsibilities

  • Build and evolve the inference gateway
  • Design cross-provider failover
  • Design routing backpressure and admission control

Hiring Process

2–3 short technical interviews, followed by an onsite office session with a small project, idea discussion, and team meetings.

Software Engineer Model Routing and Inference at Anysphere, Inc. (doing business as Cursor) | JobStash