Senior AI Engineer
Role Overview
This Senior AI Engineer role involves building AI agents and features for a recruiting platform, including conversational interfaces and intelligent matching systems. You'll work closely with a full-stack engineering team to integrate AI capabilities throughout the application, balancing experimentation with production implementation. The position requires shipping real AI products that directly impact how thousands of users find jobs.
Perks & Benefits
This is a hybrid remote role requiring 3 days per week in the Brooklyn, NY office (Mondays required plus 2 flexible days). Compensation includes a competitive base salary of $175,000-$225,000 plus meaningful equity. You'll join a fast-growing, well-funded startup with opportunities for immediate impact and rapid experimentation while helping define the company's AI architecture from the ground floor.
Full Job Description
Senior AI Engineer
About Fonzi AI
We're a well-funded, fast-growing startup revolutionizing hiring through AI. Recently launched, we've already attracted thousands of top engineers to our platform. Our vision is to build an AI-powered recruiting marketplace that will connect millions of candidates and companies, where AI recruiters learn what you do, what you're interested in, and match you to perfect opportunities automatically.
The Role
We're seeking a Senior AI Engineer to build the AI experiences that will define the future of recruiting. You'll be deeply integrated with our engineering team, working closely with full-stack engineers to weave AI capabilities throughout our platform. Your AI features won't live in isolation - they'll be core to how our entire application works.
You'll spend your time between AI experimentation, implementation, and collaborating tightly with the team to ship cohesive products. If you've had that "aha moment" where you realized AI changes everything, and you want to build products that capture that magic for users while being part of a tight-knit engineering team, this role is for you.
What You'll Do
Build AI agents that conduct intelligent conversations with candidates and recruiters
Create AI-powered features from concept to production - voice interfaces, coaching systems, intelligent matching
Experiment with the latest models and techniques, making smart trade-offs between cost, quality, and speed
Write production TypeScript code that turns AI possibilities into reliable user experiences
Rapidly prototype new AI capabilities, then scale the winners to thousands of users
Collaborate closely with the engineering team to ensure AI features integrate seamlessly with the full platform
Partner with full-stack engineers to identify where AI can transform the recruiting experience
Stay current with the AI landscape while maintaining focus on shipping real products
Required Experience
Real AI shipping experience: You've built and deployed AI/LLM features to production with actual users for 1+ years
Full-stack engineering capability: Strong proficiency in TypeScript, React, and Next.js - able to contribute across the stack
Prompt engineering expertise: Deep understanding of how to make LLMs do what you want reliably
Product mindset: You care about user experience, not just technical implementation
Proven ability to navigate trade-offs: Experience choosing between models based on cost, latency, quality, and use case
Research-to-production pipeline: Comfortable moving from experimentation to scaled implementation
Startup experience: Thrived in fast-moving environments where you own problems end-to-end
Nice to Have
Voice AI/conversational interface experience
Python knowledge for AI/ML tooling
Experience with Temporal io workflows
Background in consumer-facing applications
Experience with agentic systems and AI orchestration
What Makes This Special
AI-first engineering: Lead our AI initiatives while working closely with the full engineering team to ship integrated products
Immediate impact: Your code will directly shape how thousands of people find their next job
Rapid experimentation: Balance exploring what's possible with shipping what's valuable
Ground floor opportunity: Join at the perfect moment to define our AI architecture and capabilities
Learn from mistakes at scale: We're early enough to experiment but established enough to get real user feedback fast
Location
Brooklyn, NY - 3 days/week in office (Mondays required + 2 flexible days)
Compensation
$175,000-$225,000 base salary + meaningful equity
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