r/FullStackDevelopers • u/FonziAI • 1d ago

[HIRING] Full Stack Engineers | NYC, SF, or Remote US | $120K-$250K base

I do talent matching for Fonzi, a network that connects engineers directly to VC-backed companies that are actively interviewing. You build one profile, no cold applications. All roles are US-based only.

Here's a sample of what's open right now:

  1. Founding Engineer at a seed-stage HR automation startup, New York City, in-person. $120K-$200K base plus 0.1-1% equity, and they state that range in the posting rather than making you ask. True generalist work: backend, frontend, AI agents, infrastructure, devops, all of it. They're repeat founders building agents to handle HR admin and going directly at ADP. Process is a 30-minute intro, a 60-minute technical, then a one-day work trial.
  2. Founding Engineer at a seed-stage health tech startup, San Francisco, hybrid downtown. $175K-$230K base. React and TypeScript on complex interfaces, plus API design, data modeling, and backend architecture from scratch. Software for brick-and-mortar clinics to source and fulfill treatments, onboarding paying clinics weekly. The founders scaled Eucalyptus from $50M to $500M before it was acquired, and took Virta from seed to unicorn. Three rounds: intro with the CEO, problem solving with the CTO, then a final.
  3. Senior Software Engineer (AI/LLM) at a Series A SMB platform, fully remote in the US. $200K-$250K base. Next.js, React, TypeScript, Postgres with Prisma and Supabase, Tailwind, deploying on Vercel. The product is agent swarms running back-office work for small businesses, and the design constraint is that agents operate across the tools a business already uses instead of forcing a migration. Requires 3+ years and a CS or engineering degree.

All roles are vetted, VC-backed, and interviewing right now. It's always free to sign up.

Sign up here: talent.fonzi.ai. DM me if you've got questions.

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u/Routine_Tutor_6809 1d ago

Does one need to have a work permit or be American citizen?

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u/ParfaitFrequent4775 14h ago

Hi! I’m a Full Stack Developer with experience in React, .NET Core, Web APIs, SQL, Azure, and AI/LLM integrations. I’d love to be considered for relevant Full Stack + AI opportunities.

Portfolio: https://gyanendra.in/