Demo

Software Engineer

Haystack
Seattle, WA Full Time
POSTED ON 6/9/2026
AVAILABLE BEFORE 7/8/2026
We're hiring on behalf of a Haystack partner!

The Role

  • Design and build autonomous agent systems that decompose complex, multi-step problems into executable plans
  • Integrate tool use, memory, and reasoning capabilities to deliver end-to-end solutions
  • Define architecture and evaluation frameworks for agentic workflows, including orchestration patterns and guardrails
  • Design, develop, and maintain efficient, reusable, and reliable code
  • Collaborate with cross-functional teams to define, design, and ship new features
  • Identify and resolve performance bottlenecks and bugs

What You'll Need

  • 5 years of non-internship professional software development experience
  • 5 years of programming with at least one software programming language
  • 5 years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
  • Experience as a mentor, tech lead or leading an engineering team
  • Bachelor's degree in computer science or equivalent
  • Usage of generative AI tools to enhance workflow efficiency, with a willingness to learn effective prompting and evaluation practices.

What's On Offer

  • Comprehensive benefits package including health insurance and 401(k) matching
  • Paid time off and parental leave
  • Opportunity to work on innovative Gen AI solutions

Apply via Haystack today!

Salary : $168,100 - $227,400

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