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Founding Engineer

mangodesk · San Francisco

Open. First seen 14 March 2026.

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Description

Company Overview We're a YC-backed startup on a mission to bridge the gap between AI and the $5T knowledge work economy through cutting-edge data infrastructure and environments. We're a technical team with experience from Scale AI, Uber, and previously founding a successful AI company. We’re based in San Francisco, CA, and recently raised an oversubscribed seed round led by top-tier VCs.

Required Qualifications

Strong technical / computer science fundamentals. Experience building production-grade backend / full-stack systems Deep understanding of scalability challenges and good system design. The ability to take ambiguous requirements, conduct research, analyze tradeoffs, and own project execution end-to-end, balancing speed vs reliability.

Strong communication skills and a bias toward ownership Preferred Qualifications 2+ years of experience as a SWE Prior experience at startups / high-growth companies Experience with applied AI / AI research - specifically in post-training / RL Company Overview We're a YC-backed startup on a mission to bridge the gap between AI and the $5T knowledge work economy through cutting-edge data infrastructure and environments. We're a technical team with experience from Scale AI, Uber, and previously founding a successful AI company. We’re based in San Francisco, CA, and recently raised an oversubscribed seed round led by top-tier VCs.

Required Qualifications

  • Strong technical / computer science fundamentals.
  • Experience building production-grade backend / full-stack systems
  • Deep understanding of scalability challenges and good system design.
  • The ability to take ambiguous requirements, conduct research, analyze tradeoffs, and own project execution end-to-end, balancing speed vs reliability.
  • Strong communication skills and a bias toward ownership Preferred Qualifications - 2+ years of experience as a SWE
  • Prior experience at startups / high-growth companies
  • Experience with applied AI / AI research - specifically in post-training / RL

Salary context

34 other open postings titled Founding Engineer state a salary: median USD 150,000 to USD 250,000 a year.

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