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Role description

Founding Engineer

MangoDesk logoMangoDeskYC S25
Founding role
TypeFull-time
WorkplaceOn-site
SeniorityJunior
Salary$100,000–$200,000
LocationSan Francisco, CA
Posted2/9/2026
Engineering

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

Relevant archetypes

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Company info

MangoDesk logo

MangoDesk

Long-horizon RL environments

Pre-seedYC S25AI-product
HQSan Francisco, United States
Size1–10 employees
Industry
Unlock human wisdom
ThesisTermsPrivacy
Software Development
Funding
  • Pre-seed · Sep 9, 2025

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