Demo

Backend Engineer

Fonzi AI
York, NY Full Time
POSTED ON 11/12/2026
AVAILABLE BEFORE 12/11/2026

Fonzi is an AI recruiting company powering the hiring behind NYC and SF's top startups.


Compensation

  • Typical base: $180K to $250K
  • 24 of 118 backend roles top out at $300K
  • Salary is on the request before your first call. Many roles include equity.


Who's hiring

  • 81 backend roles open in NYC, 40 in SF
  • 140 startups from pre-seed to late stage, backed by YC, a16z, Sequoia, General Catalyst and Founders Fund
  • 85% are pre-seed to Series A, so teams are small and you own real scope


Who we're looking for

  • 3 years building backend systems in production
  • Python, Go, TypeScript, Java or Rust, and Postgres or similar
  • API design, data modeling, queues and background jobs
  • You've debugged production at 2am and fixed the root cause
  • You live in or near NYC or SF and want hybrid or onsite


What you could work on

  • Backends for AI agents: orchestration, tool calls and retrieval
  • Payments and financial infrastructure
  • Integrations with enterprise systems in healthcare and legal


How it works

  • Apply in 5 minutes.
  • We text you, learn what you want, and sharpen your profile.
  • Startups send interview requests with a salary bid. You choose who to meet. It's free.


Salary : $180,000 - $250,000

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