Full Stack Engineer

Fonzi Match Day is where exceptional engineers connect with AI startups and high-growth tech companies building the future in AI. Let 30+ pre-vetted NYC and San Francisco companies compete for your talent. The companies on Fonzi are building agentic systems, deploying LLMs in production, and solving real technical challenges.

Fonzi is your filter for what's actually interesting in AI right now, not another job board. Companies request to interview you!

How Match Day works:

• 2-minute application process
• We reach out to get to know you and optimize your profile
• Hiring managers review a curated group of engineers and request interviews with candidates
• Companies submit competing offers directly to you
• Interview only with opportunities that genuinely excite you
• Completely free + incentives for engineers and a Concierge to handle scheduling and coordination

Must Haves:

• 4+ years building products from 0-1
• Full-stack technical (React, TypeScript, Python, Node.js, AWS/GCP) or AI/ML expertise
• Startup experience or strong product ownership at scale
• Track record shipping user-facing features that drive business impact
• Thrives in ambiguous, high-velocity environments

Ideal Profiles:

• Senior/Staff Engineers from high-growth startups seeking founding roles
• FAANG engineers ready to build from the ground up
• Technical leaders who want equity upside and product ownership
• Engineers who've worn multiple hats and love solving diverse technical challenges

What You'll Build:

• Core product architecture and technical foundations
• User-facing applications serving millions
• AI-powered features and integrations
• Scalable systems from MVP to enterprise-grade

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