{"id":177878,"url":"https://alion.io/job/azx-senior-product-engineer-ai-full-stack","title":"Senior Product Engineer (AI, Full-Stack)","company":{"id":9868,"name":"AZX","domain":"azx.io","url":"https://alion.io/company/azx","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Seattle, United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":140000,"max":230000,"currency":"USD","period":"year","gross":null,"usd_annual":230000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"FastAPI","optional":false},{"name":"Fastify","optional":false},{"name":"Kubernetes","optional":false},{"name":"Playwright","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Redis","optional":false},{"name":"TypeScript","optional":false},{"name":"Vite","optional":false},{"name":"Vitest","optional":false},{"name":"WebSockets","optional":false},{"name":"JavaScript","optional":true},{"name":"Node JS","optional":true}],"status":"live","first_seen_at":"2026-08-31T01:16:03Z","employer_posted_date":"2026-08-31","last_verified_at":"2026-10-18T04:33:45Z","board_verified":true,"closed_at":null,"days_open":48,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":48},"description":"About AZX\nOur mission is to accelerate positive impact in critical industries through AI transformation. We specialize in physics-informed ML and enterprise AI solutions that directly address climate and sustainability challenges.\nWe’re growing quickly and already work with category-leaders in real estate (CBRE), energy (LevelTen Energy), logistics (Flexe) and utilities.\nWe bootstrapped profitably for our first year and are now backed by leading investors focused on AI, climate and energy.\nWe work on challenges in clean energy, decarbonization, climate risk, energy systems, and global economics. We’re building our company for long-term success and aim to create the ultimate place to work for those passionate about AI and making a positive impact.\nAbout This Role:\nWe are seeking a Product Engineer that owns the demo's we build for clients from the schema to the pixel, the deployment and the observability. You'll work across the chat surface and agent workspaces, the app builder alongside the platform team, and the shared component and design system, plus the agent-facing developer experience - since our platform's users are coding agents as much as humans. Enterprise readiness is a feature here, not an afterthought: accessibility, localization, and audit trails get demoed, not promised. You'll build on the backend team's services and the runtime team's infrastructure, so overlap down the stack is expected.\nResponsibilities:\nBuild and evolve the chat surface and agent workspaces - streaming protocol on both client and server, message/run persistence, tool-call and approval UX, and citation rendering.\n\nPartner with the platform team on the app builder: the fixed app template and toolchain it generates against, the preview sandbox seam, and the generation/repair loop UX.\n\nMaintain the component and design system across chat, workspaces, and the app builder, keeping all three visually and behaviorally consistent.\n\nBuild the agent-facing developer experience - CLI, deploy tooling, manifests - treating coding agents as first-class platform users alongside humans.\n\nOwn the full stack behind your own features: TypeScript front end, Node/FastAPI backend-for-frontend, Postgres schema, deployment, and on-call.\n\nShip enterprise readiness as a first-class feature - accessibility, localization, and audit trails - demoed working, not described as roadmap.\n\nWork down the stack when it matters: read backend service traces and runtime/Kubernetes logs to debug across the seam between product, backend, and platform teams.\n\nCore Qualifications:\n5+ years of deep, production experience with React/TypeScript - streaming UIs, high-frequency updates, virtualization, and real state management, with informed, hands-on opinions about React 19.\n\nHands-on experience with a streaming protocol end to end (SSE or WebSocket) - chunk boundaries, reconnection semantics, abort propagation - including having personally debugged a raw byte stream.\n\nTrue full-stack ownership: you've shipped the backend half of your own front ends (Node/Fastify or Python/FastAPI), handling auth, idempotency, pagination, race conditions, and migrations.\n\nProduct taste backed by enterprise experience - accessibility you can defend to a screen-reader user, thoughtful empty/error states, and localization that goes beyond a strings file.\n\nAn AI-native working style: daily use of AI coding tools, driven by specs rather than vibes, with concrete examples of where you overrode a tool's output.\n\nA strong sense of ownership - instrumentation, evals on AI-dependent behavior, cost awareness, and on-call are part of \"done,\" not a later phase.\n\nPractical depth in some of our core stack - TypeScript (strict), React 19, TanStack Query, Vite, Node/Fastify or Python/FastAPI, Postgres/Redis, and SSE/WebSocket streaming - with a track record of researching into unfamiliar parts of it.\n\nFamiliarity with the surrounding toolchain: zod-validated wire contracts, sandboxed iframes/CSP/postMessage, Playwright/Vitest, WCAG 2.2 AA, i18n frameworks, and OIDC/OAuth2 session mechanics\n\nBachelor's Degree; Master's is a plus\n\nWhy AZX! \nBe part of a fast-growing, profitable, mission-driven company with industry-leading clients tackling the massive opportunity of AI transformation in critical industries.\n\nCompetitive early-stage startup compensation (based on capabilities, experience, and location)\n\nBonus eligibility\n\nHealth insurance with meaningful coverage for dependents\n\nFlexible paid time off\n\nEquity\n\nFully remote culture with a cluster of teammates in Seattle\n\nAdditional Information:\nMust be able to travel 2x/year for company summits\n\nApplicants must be currently authorized to work in the United States on a full-time basis.\n\nWe are unable to sponsor or take over sponsorship of employment visas at this time.\n\nPlease note that our interview process includes a written take-home assignment followed by a live two-hour technical session with our engineering team, so if that format isn't a good fit, we'd ask that you not apply\n\nPlease only apply to a maximum of 2 roles at a time, any applicants who apply to more then 2 roles within a 6 month period will automatically be disqualified\n\nNext Steps:\nIf this job sounds like a great fit but you don’t check ALL of these qualification boxes, we’d still love to hear from you!","description_format":"text","description_chars":5322,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":["Equity","Health insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","AI Agents","Custom Software Development","AI Consulting & Integration"],"lifecycle":[{"event":"open","at":"2026-08-31T01:50:14Z"}],"visa":[],"liveness":{"score":26,"band":"fade","label":"Fading","p_open":0.4,"p_active":0.86,"p_room":0.75,"age_days":47,"expected_fill_days":58,"reasons":["seen:47","win:late"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":230000,"is_top_pay":true},"html_url":"https://alion.io/job/azx-senior-product-engineer-ai-full-stack","json_url":"https://alion.io/job/azx-senior-product-engineer-ai-full-stack.json","meta":{"generated_at":"2026-10-18T06:45:12Z","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":10011,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":9868},"rest":"https://alion.io/mcp/rest/get_company?id=9868"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fazx-senior-product-engineer-ai-full-stack"},{"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%2Fazx-senior-product-engineer-ai-full-stack"},{"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%2Fazx-senior-product-engineer-ai-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/azx-senior-product-engineer-ai-full-stack\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fazx-senior-product-engineer-ai-full-stack"}]}