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Founding Backend Engineer (San Mateo)
Founding Backend Engineer (San Mateo)UMATR • San Mateo, CA, US
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Founding Backend Engineer (San Mateo)

Founding Backend Engineer (San Mateo)

UMATR • San Mateo, CA, US
5 days ago
Job type
  • Part-time
Job description

Founding Backend Engineer

UMATR are supporting an early-stage AI startup on a mission to help growing organisations stay aligned and efficient as they scale. Our product acts as an intelligent teammate that understands a companys context, goals, and culture giving teams unprecedented visibility into whats happening across the business.

They're backed by top-tier global investors and experienced operators from some of the worlds leading tech companies. This is a ground-floor opportunity to build foundational systems that will power the next generation of AI-native enterprise software.

What Youll Do

  • Architect and build scalable backend and platform systems from the ground up
  • Develop and deploy AI / LLM-powered features using large, complex datasets
  • Design robust APIs and integrations to connect data and workflows across systems
  • Take end-to-end ownership of projects in a fast-paced, evolving environment
  • Collaborate closely with founders and cross-functional teams to influence technical strategy

What Were Looking For

  • 37 years of backend or platform engineering experience
  • Deep experience with Python , FastAPI , AWS , and SQL / Postgres
  • Proven ability to design and scale reliable, production-grade systems
  • Strong understanding of data models, infrastructure, and performance optimisation
  • Bonus : experience with LLMs , RAG , or agentic frameworks
  • Bias toward ownership, rapid learning, and shipping high-quality systems
  • Ideal Background

  • Built and scaled production systems at fast-moving startups or top-tier tech companies
  • Computer Science or equivalent technical background from a strong academic program
  • Excited by early-stage challenges, ambiguity, and end-to-end ownership
  • Obsessed with detail, craftsmanship, and problem-solving
  • Willing to put in focused effort to build something enduring
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    Founding Backend Engineer • San Mateo, CA, US

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