{"id":142127,"url":"https://alion.io/job/respan-senior-software-engineer-frontend","title":"Senior Software Engineer, Frontend","company":{"id":2688,"name":"Respan","domain":"respan.ai","url":"https://alion.io/company/respan","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":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Alameda, United States"],"countries":["US"],"hiring_countries":["US","IN"],"hiring_countries_total":2,"salary":null,"salary_estimate":{"min_usd":124000,"max_usd":226000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":57},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Next.js","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-08-28T00:19:18Z","employer_posted_date":"2026-10-13","last_verified_at":"2026-10-16T05:44:59Z","board_verified":true,"closed_at":null,"days_open":49,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":49},"description":"What we’re building\nRespan is building the self-driving observability and evals platform for AI teams, used by 60+ YC companies and hundreds of AI teams.\nThe role\nYou will own the frontend architecture of Respan's platform: trace visualizers, eval dashboards, prompt editors, and the design system that ties it all together. This is a senior role with real architectural ownership. We are looking for someone who is opinionated about code quality, focused on performance, and can mentor the team on frontend best practices while still shipping fast.\nWhat you’ll do:\nArchitect and build high-performance UI with React and Next.js\nOwn the frontend architecture, component library, and design system\nCollaborate closely with design to ship pixel-perfect, accessible interfaces\nMentor other engineers on frontend best practices and code quality\nDrive performance optimization across the platform UI\nWhat you must have:\n5+ years of frontend engineering experience with TypeScript and React\nDeep knowledge of modern CSS, layout systems, and animation\nStrong opinions on code quality, testing, and component architecture\nStrong plus:\nExperience building complex data-heavy UIs such as dashboards, editors, or visualizers\nTrack record of building and maintaining design systems\nExperience with performance profiling and optimization\nContributions to open-source frontend projects or libraries","description_format":"text","description_chars":1384,"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":[{"name":"United States","iso":"US","kind":"country"},{"name":"India","iso":"IN","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["AI Development Tools","AI Evaluation & Observability"],"lifecycle":[{"event":"open","at":"2026-08-28T00:19:18Z"}],"visa":[],"liveness":{"score":31,"band":"fade","label":"Fading","p_open":1,"p_active":0.561,"p_room":0.55,"age_days":49,"expected_fill_days":35,"reasons":["conf:0","win:tail"],"computed_at":"2026-10-16T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/respan-senior-software-engineer-frontend","json_url":"https://alion.io/job/respan-senior-software-engineer-frontend.json","meta":{"generated_at":"2026-10-16T10:39:19Z","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":9115,"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":2688},"rest":"https://alion.io/mcp/rest/get_company?id=2688"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Frespan-senior-software-engineer-frontend"},{"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%2Frespan-senior-software-engineer-frontend"},{"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%2Frespan-senior-software-engineer-frontend"},{"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/respan-senior-software-engineer-frontend\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frespan-senior-software-engineer-frontend"}]}