{"id":2145497,"url":"https://alion.io/job/whatnot-fullstack-engineer-ads","title":"Fullstack Engineer, Ads","company":{"id":5086,"name":"Whatnot","domain":"whatnot.com","url":"https://alion.io/company/whatnot","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":{"grade":"C","score":69,"open_postings":95,"ghost_share":0.516,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","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":207000,"max":230000,"currency":"USD","period":"year","gross":null,"usd_annual":230000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-08-25T00:02:00Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-11T00:09:12Z","board_verified":true,"closed_at":null,"days_open":47,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":46},"description":"Join Whatnot, the largest live shopping platform in North America and Europe. As a Fullstack Engineer, you will own and lead major pieces of functionality in the ads system, working closely with other engineering teams. You should have 5+ years of software development experience, full-stack proficiency, and excellent product instincts. Benefits include generous time off, health insurance, work from home support, care benefits, retirement plans, and parental leave.\nMissions\nParticiper à la conception, au développement et à la mise en œuvre de systèmes publicitaires de bout en bout, y compris les fondations backend, la récupération et le classement, l'interface utilisateur et les tableaux de bord.\nCollaborer avec d'autres équipes d'ingénierie, y compris la découverte, la croissance des vendeurs, la plateforme de données, la plateforme d'apprentissage automatique et les paiements, pour assurer l'intégration et l'efficacité des systèmes publicitaires.\nAssumer la responsabilité de projets de développement logiciel, de l'inception à la production, en veillant à ce que les fonctionnalités soient livrées rapidement et efficacement.","description_format":"text","description_chars":1141,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Health insurance","Parental leave","Retirement plans"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Commerce","Marketplaces","Social Commerce"],"lifecycle":[{"event":"open","at":"2026-10-09T04:17:57Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 48 · green card filings: 8","filings_12m":48,"filings_prev_12m":34,"green_card_filings_12m":8,"median_offered_wage_usd":208929,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":31}],"liveness":{"score":19,"band":"cold","label":"Long shot","p_open":1,"p_active":0.428,"p_room":0.45,"age_days":46,"expected_fill_days":29,"reasons":["conf:2","stale_co","velocity","win:tail"],"computed_at":"2026-10-10T05:45:15Z"},"pay":{"stated_usd_annual":230000,"is_top_pay":true},"html_url":"https://alion.io/job/whatnot-fullstack-engineer-ads","json_url":"https://alion.io/job/whatnot-fullstack-engineer-ads.json","meta":{"generated_at":"2026-10-11T01:44:25Z","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","counted_by":"address","units_charged":1,"used_today":2571,"day_limit":5000,"remaining_today":2429,"minute_limit":60,"resets_at":"2026-10-12T00:00:00Z"}},"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":5086},"rest":"https://alion.io/mcp/rest/get_company?id=5086"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fwhatnot-fullstack-engineer-ads"},{"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%2Fwhatnot-fullstack-engineer-ads"},{"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%2Fwhatnot-fullstack-engineer-ads"},{"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/whatnot-fullstack-engineer-ads\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fwhatnot-fullstack-engineer-ads"}]}