{"id":53528,"url":"https://alion.io/job/fonzi-senior-ai-engineer","title":"Senior AI Engineer","company":{"id":1138,"name":"Fonzi","domain":"fonzi.ai","url":"https://alion.io/company/fonzi","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-16T05:45:00Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":175000,"max":225000,"currency":"USD","period":"year","gross":null,"usd_annual":225000},"salary_estimate":null,"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"LLM","optional":false},{"name":"Next.js","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2025-09-05T20:02:09Z","employer_posted_date":"2025-09-05","last_verified_at":"2026-10-16T16:07:18Z","board_verified":true,"closed_at":null,"days_open":406,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":405},"description":"Senior AI Engineer\nAbout Fonzi AI\nWe'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.\nThe Role\nWe'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.\nYou'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.\nWhat You'll Do\nBuild AI agents that conduct intelligent conversations with candidates and recruiters\n\nCreate AI-powered features from concept to production - voice interfaces, coaching systems, intelligent matching\n\nExperiment with the latest models and techniques, making smart trade-offs between cost, quality, and speed\n\nWrite production TypeScript code that turns AI possibilities into reliable user experiences\n\nRapidly prototype new AI capabilities, then scale the winners to thousands of users\n\nCollaborate closely with the engineering team to ensure AI features integrate seamlessly with the full platform\n\nPartner with full-stack engineers to identify where AI can transform the recruiting experience\n\nStay current with the AI landscape while maintaining focus on shipping real products\n\nRequired Experience\nReal AI shipping experience: You've built and deployed AI/LLM features to production with actual users for 1+ years\n\nFull-stack engineering capability: Strong proficiency in TypeScript, React, and Next.js - able to contribute across the stack\n\nPrompt engineering expertise: Deep understanding of how to make LLMs do what you want reliably\n\nProduct mindset: You care about user experience, not just technical implementation\n\nProven ability to navigate trade-offs: Experience choosing between models based on cost, latency, quality, and use case\n\nResearch-to-production pipeline: Comfortable moving from experimentation to scaled implementation\n\nStartup experience: Thrived in fast-moving environments where you own problems end-to-end\n\nNice to Have\nVoice AI/conversational interface experience\n\nPython knowledge for AI/ML tooling\n\nExperience with Temporal io workflows\n\nBackground in consumer-facing applications\n\nExperience with agentic systems and AI orchestration\n\nWhat Makes This Special\nAI-first engineering: Lead our AI initiatives while working closely with the full engineering team to ship integrated products\n\nImmediate impact: Your code will directly shape how thousands of people find their next job\n\nRapid experimentation: Balance exploring what's possible with shipping what's valuable\n\nGround floor opportunity: Join at the perfect moment to define our AI architecture and capabilities\n\nLearn from mistakes at scale: We're early enough to experiment but established enough to get real user feedback fast\n\nLocation\nBrooklyn, NY - 3 days/week in office (Mondays required + 2 flexible days)\nCompensation\n$175,000-$225,000 base salary + meaningful equity","description_format":"text","description_chars":3619,"description_truncated":false,"requirements":{"experience_years_min":1,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Recruiting & Staffing","Recruiting Software & ATS"],"lifecycle":[{"event":"open","at":"2025-09-05T20:02:09Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.277,"p_room":0.28,"age_days":405,"expected_fill_days":38,"reasons":["conf:3","win:tail","crowd:"],"computed_at":"2026-10-16T05:45:00Z"},"pay":{"stated_usd_annual":225000,"is_top_pay":true},"html_url":"https://alion.io/job/fonzi-senior-ai-engineer","json_url":"https://alion.io/job/fonzi-senior-ai-engineer.json","meta":{"generated_at":"2026-10-16T20:09:38Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":657,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-17T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1138},"rest":"https://alion.io/mcp/rest/get_company?id=1138"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffonzi-senior-ai-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ffonzi-senior-ai-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ffonzi-senior-ai-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/fonzi-senior-ai-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffonzi-senior-ai-engineer"}]}