{"id":4016203,"url":"https://alion.io/job/karumi-product-engineer-full-stack","title":"Product Engineer (Full-Stack)","company":{"id":2610867,"name":"Karumi","domain":"karumi.ai","url":"https://alion.io/company/karumi-ai","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Work at a Startup","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","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":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":true,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"FastAPI","optional":false},{"name":"GCP","optional":false},{"name":"JavaScript","optional":false},{"name":"LLM","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Redis","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-11-10T12:50:38Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T12:50:38Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"The Opportunity\nJoin our product engineering team in the US to build features that directly impact how customers experience and adopt our platform. This role bridges technical execution and product thinking - you'll ship user-facing features while making architectural decisions across the entire stack.\nYou'll work end-to-end: designing interfaces, building APIs, optimizing performance, and deploying to production. We move fast, iterate with users, and expect engineers to own problems from concept to launch.\nWe sponsor visas for qualified candidates.\nCore Responsibilities\n- Build full-stack features from UI components to backend services\n- Design and implement responsive, intuitive user interfaces with React\n- Develop high-performance APIs using FastAPI and async Python\n- Work with LLM integrations, prompt engineering, and AI-powered workflows\n- Deploy and monitor features across our AWS infrastructure\n- Gather user feedback and iterate rapidly on what you ship\nTechnical Requirements\n- Strong full-stack development experience (frontend + backend)\n- Proficient in React and modern JavaScript/TypeScript\n- Python skills with FastAPI or similar frameworks\n- Experience with PostgreSQL, Redis, and async patterns\n- Comfortable with AWS/Azure/GCP, deployment pipelines, and infrastructure basics\n- Product mindset - you care about user experience and customers, not just code\nNice to Have\n- Experience building with LLMs and AI-powered features\n- Browser automation or headless browser technologies\n- Design sensibility and attention to UI/UX details\n- Previous startup or 0-to-1 product experience\nWhy Karumi\n- Meaningful equity stake in a backed, fast-growing company\nEnd-to-end ownership of features users interact with daily\nDirect impact on product direction and company trajectory\nSmall team where shipping matters more than process\nGym\nVisa sponsorship available","description_format":"text","description_chars":1879,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","AI Agents"],"lifecycle":[{"event":"open","at":"2026-11-10T12:50:38Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":26,"reasons":["conf:1","win:early"],"computed_at":"2026-11-10T14:00:09Z"},"pay":null,"html_url":"https://alion.io/job/karumi-product-engineer-full-stack","json_url":"https://alion.io/job/karumi-product-engineer-full-stack.json","meta":{"generated_at":"2026-11-10T14:00:09Z","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":32545,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":2610867},"rest":"https://alion.io/mcp/rest/get_company?id=2610867"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fkarumi-product-engineer-full-stack"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fkarumi-product-engineer-full-stack"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fkarumi-product-engineer-full-stack"},{"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/karumi-product-engineer-full-stack\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fkarumi-product-engineer-full-stack"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4016203}},{"tool":"search_jobs","arguments":{"company":"karumi.ai","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4016203},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); 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