{"id":803334,"url":"https://alion.io/job/shuttlelabs-senior-front-end-engineer","title":"Senior Front-end Engineer","company":{"id":688424,"name":"Business","domain":"shuttlelabs.xyz","url":"https://alion.io/company/shuttlelabs","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":75,"open_postings":3,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":125000,"max":210000,"currency":"USD","period":"year","gross":null,"usd_annual":210000},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"TypeScript","optional":false},{"name":"WebSockets","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-01-16T23:30:50Z","employer_posted_date":"2026-01-16","last_verified_at":"2026-10-16T14:00:44Z","board_verified":true,"closed_at":null,"days_open":272,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":272},"description":"Responsibilities\nOwn the front-end architecture of a high-throughput, real-time trading application.\n\nDesign, build, and maintain production-grade applications using Next.js, React, and TypeScript.\n\nImplement pixel-accurate, accessible, and responsive UI systems under strict performance budgets.\n\nLead complex feature development end-to-end, from technical design to production rollout.\n\nOptimize rendering paths, state management, data flow, and bundle size for sub-second interactions.\n\nIntegrate deeply with REST and WebSocket APIs powering live market data and execution flows.\n\nCollaborate tightly with product, design, and backend engineers on advanced trading workflows.\n\nSet and uphold engineering standards around code quality, testing, performance, and maintainability.\n\nMentor other engineers and raise the bar for front-end execution across the team.\n\nContribute across the stack when needed (API design, data models, infra tradeoffs).\n\nRequirements\n6+ years of professional front-end engineering experience, with clear ownership of complex production systems.\n\nExpert-level mastery of React, Next.js, and TypeScript in high-performance environments.\n\nDeep understanding of front-end architecture, rendering behavior, and performance optimization.\n\nProven experience with real-time data systems (WebSockets, streaming updates, event-driven UI).\n\nStrong instincts around state management, data consistency, and UI correctness under load.\n\nComfort reasoning about backend systems (Node.js, databases, cloud infrastructure); hands-on experience is a plus.\n\nTrack record of shipping and maintaining features that operate at scale.\n\nAbility to make high-leverage technical decisions independently.\n\nNon-Negotiable\nSpeed - in execution, iteration, and UI responsiveness.\n\nObsession with performance, not just aesthetics.\n\nHigh ownership, low ego, zero tolerance for sloppy systems.\n\nPreferred\nPrior experience in fintech, trading platforms, or other latency-sensitive products.\n\nOpen-source contributions or technically substantial side projects.\n\nComfort operating in fast-moving, high-accountability startup environments.","description_format":"text","description_chars":2130,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-12T08:42:50Z"}],"visa":[],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.161,"p_room":0.28,"age_days":272,"expected_fill_days":29,"reasons":["conf:1","win:tail","crowd:"],"computed_at":"2026-10-16T05:45:00Z"},"pay":{"stated_usd_annual":210000,"is_top_pay":true},"html_url":"https://alion.io/job/shuttlelabs-senior-front-end-engineer","json_url":"https://alion.io/job/shuttlelabs-senior-front-end-engineer.json","meta":{"generated_at":"2026-10-16T15:01:23Z","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":14781,"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":688424},"rest":"https://alion.io/mcp/rest/get_company?id=688424"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fshuttlelabs-senior-front-end-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%2Fshuttlelabs-senior-front-end-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%2Fshuttlelabs-senior-front-end-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/shuttlelabs-senior-front-end-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fshuttlelabs-senior-front-end-engineer"}]}