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Senior Software Engineer, AI

Job in Seattle, King County, Washington, 98127, USA
Listing for: Fuel Talent
Full Time position
Listed on 2026-09-02
Job specializations:
  • Software Development
    AI Engineer (Applied/Software), Backend Developer, Full Stack Developer, Machine Learning/ ML Engineer
Salary/Wage Range or Industry Benchmark: 140000 - 190000 USD Yearly USD 140000.00 190000.00 YEAR
Job Description & How to Apply Below
Position: Senior Software Engineer, AI Applications

Senior Software Engineer, AI Applications | Startup

Hybrid, Downtown Seattle

  • Visa Support:
    No transfers, sponsors, student visas at this time; US Citizens or Green Card Holders only
  • Degree:
    Required

    , BS or higher
  • Experience building or integrating AI systems, tooling, or applications a hard requirement (not just AI-assisted development)
  • Hiring candidates with primary expertise in Backend or Full Stack development, Infrastructure, MlOps, Applied AI, or Platform engineering

We are partnered with a Series A, AI-native startup building production AI products from the ground up. Our client is looking for experienced software engineers who want to work at the application layer of modern AI: turning LLMs, agents, and retrieval systems into real features that customers rely on.

About the role

You will build and ship AI-powered product features end to end, from prototyping against the latest models to hardening the systems that run them in production. This is a hands-on role for an engineer who moves fast, has strong product instincts, and enjoys the ambiguity of early-stage work where the right patterns are still being figured out.

What you'll do
  • Design, build, and ship user-facing AI features end to end
  • Work across the stack: APIs, services, data, and the surfaces that LLMs and agents run in
  • Prototype with emerging AI patterns (agents, RAG, tool use) and turn the promising ones into reliable production systems
  • Own quality through testing, code review, observability, and production readiness
  • Collaborate closely with product and design in a fast-moving environment
What we’re looking for
  • 5+ years of software engineering experience building production software
  • Strong Python, Type Script, or similar programming language
  • Demonstrated experience shipping features 0-1, ideally in a startup or fast-paced environment
  • Experience building or integrating AI / LLM-powered products in production
  • Strong distributed systems and debugging experience
  • Proven end-to-end ownership of complex project
  • Bonus: hands-on experience with LLMs, agents, RAG, or other applied AI patterns
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Position Requirements
10+ Years work experience
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