Senior AI Engineer at Fonzi Ai

Senior AI Engineer About Fonzi AIWe'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 RoleWe'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 DoBuild AI agents that conduct intelligent conversations with candidates and recruitersCreate AI-powered features from concept to production - voice interfaces, coaching systems, intelligent matchingExperiment with the latest models and techniques, making smart trade-offs between cost, quality, and speedWrite production TypeScript code that turns AI possibilities into reliable user experiencesRapidly prototype new AI capabilities, then scale the winners to thousands of usersCollaborate closely with the engineering team to ensure AI features integrate seamlessly with the full platformPartner with full-stack engineers to identify where AI can transform the recruiting experienceStay current with the AI landscape while maintaining focus on shipping real productsRequired ExperienceReal AI shipping experience: You've built and deployed AI/LLM features to production with actual users for 1+ yearsFull-stack engineering capability: Strong proficiency in TypeScript, React, and Next.js - able to contribute across the stackPrompt engineering expertise: Deep understanding of how to make LLMs do what you want reliablyProduct mindset: You care about user experience, not just technical implementationProven ability to navigate trade-offs: Experience choosing between models based on cost, latency, quality, and use caseResearch-to-production pipeline: Comfortable moving from experimentation to scaled implementationStartup experience: Thrived in fast-moving environments where you own problems end-to-endNice to HaveVoice AI/conversational interface experiencePython knowledge for AI/ML toolingExperience with Temporal io workflowsBackground in consumer-facing applicationsExperience with agentic systems and AI orchestrationWhat Makes This SpecialAI-first engineering: Lead our AI initiatives while working closely with the full engineering team to ship integrated productsImmediate impact: Your code will directly shape how thousands of people find their next jobRapid experimentation: Balance exploring what's possible with shipping what's valuableGround floor opportunity: Join at the perfect moment to define our AI architecture and capabilitiesLearn from mistakes at scale: We're early enough to experiment but established enough to get real user feedback fastLocationBrooklyn, NY - 3 days/week in office (Mondays required + 2 flexible days)Compensation$175,000-$225,000 base salary + meaningful equity