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Senior Software Engineer at Fast-growing AI Research Startup

Are you a systems-level engineer who loves to ship? Join a well-funded AI research startup building a greenfield commercial platform from scratch. This role offers the unique chance to bridge the gap between deep research and production software, working with a world-class team in San Francisco or London. With a total compensation package up to $800k and early-stage equity, you'll have direct ownership over the architecture and tech stack of a system designed to redefine the programming paradigm. If you're a Rust expert or a systems pro ready to build type-safe, interpretable AI, this is your next big move.

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Location

San Francisco, United States

Compensation

$400k-$800k + Equity

Company

Confidential company

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Role overview

Join a high-performance team building a greenfield commercial platform from the ground up. You will translate research prototypes into production-quality systems, bridging the gap between advanced reasoning models and real-world software. Working with Rust and Python, you will take end-to-end ownership of critical engineering tasks in an ambitious, fast-paced environment.

About the company

Fast-growing AI research startup

What you will do

  • Architect and build production-quality systems from high-level research specifications and prototypes.
  • Own the end-to-end delivery of data pipelines, API integrations, and core system infrastructure.
  • Collaborate closely with researchers to integrate cutting-edge models into reliable, type-safe products.

Who this is a fit for

  • 5+ years of software engineering experience with a strong background in systems-level programming.
  • High proficiency in Rust or similar languages (C/C++, Go) and a proven ability to ship quickly.
  • Thrives in ambiguous environments and demonstrates a strong bias for ownership and technical excellence.

Why this role is remarkable

  • Lead the development of a greenfield platform that redefines how software interacts with complex logic systems.
  • Work in a high-trust, execution-first environment backed by top-tier VCs with significant capital.
  • Enjoy a rare opportunity to influence the tech stack and architecture at a pivotal early-growth stage.

How Jack & Jill work together

Jack
I get to know what you’re great at, then find roles you’d never find yourself.
Jill
I recruit from Jack’s network and make the intro when I spot a great match.
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What happens next?

Jack’s an AI agent for job searching and career coaching. He works for you.

Jill is the AI recruiter working for the company. She recruits from Jack’s network.

If your profile’s a match and Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.

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