{"id":1245081,"url":"https://alion.io/job/mage-legal-founding-front-end-engineer","title":"Founding Front End Engineer","company":{"id":3779138,"name":"Mage Legal","domain":"magelegal.com","url":"https://alion.io/company/mage-legal","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Work at a Startup","truth_index":null},"role":"Frontend","role_family":"Frontend","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":100000,"max":150000,"currency":"USD","period":"year","gross":null,"usd_annual":150000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"LLM","optional":false},{"name":"Next.js","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-25T17:16:15Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-22T10:53:29Z","board_verified":true,"closed_at":null,"days_open":26,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":26},"description":"The Role\nYou’ll build the interfaces our customers interact with across Mage Legal’s AI-native platform. This is a true founding engineering role-you’ll make architectural and implementation decisions that shape how attorneys and deal teams experience the product for years to come. The focus is on clarity, speed, and trust in high-stakes legal workflows.\nWhat You’ll Do\nOwn multiple frontend architectures and codebases, making key decisions around frameworks, patterns, performance, and maintainability.\nWork closely with the founding team to translate real customer needs into product features and usable workflows.\nTake partially complete or “vibe-coded” frontends and harden them into production-ready, reliable interfaces.\nRapidly prototype and iterate on frontend ideas to test workflows, UX patterns, and new product concepts.\nPartner with backend and AI engineering to ensure frontend experiences accurately reflect system behavior and outputs.\nWhat We’re Looking For\nStrong experience with TypeScript.\nSolid React experience and familiarity with modern frontend tooling.\nComfortable working with LLM-powered systems and AI-driven products.\nAbility to work in person from our San Francisco (SoMa) office.\nThis role is based in person in San Francisco, CA (not remote).\nScreening call with our CEO, Raffi\nTake-home interview question\nOnsite interview","description_format":"text","description_chars":1359,"description_truncated":false,"requirements":{"experience_years_min":null,"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":["Legal AI","Legal Software"],"lifecycle":[{"event":"open","at":"2026-09-25T17:16:15Z"}],"visa":[],"liveness":{"score":50,"band":"ok","label":"Likely open","p_open":1,"p_active":0.666,"p_room":0.75,"age_days":26,"expected_fill_days":32,"reasons":["conf:2","velocity","win:late"],"computed_at":"2026-10-22T06:10:10Z"},"pay":{"stated_usd_annual":150000,"is_top_pay":false},"html_url":"https://alion.io/job/mage-legal-founding-front-end-engineer","json_url":"https://alion.io/job/mage-legal-founding-front-end-engineer.json","meta":{"generated_at":"2026-10-22T13:45:03Z","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":13039,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"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":3779138},"rest":"https://alion.io/mcp/rest/get_company?id=3779138"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmage-legal-founding-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%2Fmage-legal-founding-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%2Fmage-legal-founding-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/mage-legal-founding-front-end-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmage-legal-founding-front-end-engineer"}]}