{"id":2145543,"url":"https://alion.io/job/whatnot-staff-software-engineer-discovery-platform","title":"Staff Software Engineer, Discovery Platform","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":68,"open_postings":95,"ghost_share":0.526,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"staff","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":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Machine Learning","optional":false}],"status":"live","first_seen_at":"2026-06-30T00:02:01Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-16T11:02:41Z","board_verified":true,"closed_at":null,"days_open":108,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":108},"description":"Join Whatnot, the largest live shopping platform in North America and Europe. 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This is a high-impact, hands-on role for someone who thrives in ambiguous spaces and is passionate about improving the buyer experience.\nMissions\nDesign and evolve search and serving infrastructure that performs reliably through live shopping traffic spikes, including our largest sales events.\nBuild retrieval systems that let feed and search teams add candidate sources safely and quickly.\nPartner with ranking and machine learning engineers to bring models and features into production with the latency and freshness they need.","description_format":"text","description_chars":891,"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":["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":"2026-10-15T11:24:14+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":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.3,"p_room":0.28,"age_days":108,"expected_fill_days":37,"reasons":["conf:3","stale_co","velocity","ghost","win:tail","crowd:"],"computed_at":"2026-10-16T05:45:00Z"},"pay":{"stated_usd_annual":230000,"is_top_pay":false},"html_url":"https://alion.io/job/whatnot-staff-software-engineer-discovery-platform","json_url":"https://alion.io/job/whatnot-staff-software-engineer-discovery-platform.json","meta":{"generated_at":"2026-10-16T13:01:29Z","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":12388,"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":5086},"rest":"https://alion.io/mcp/rest/get_company?id=5086"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fwhatnot-staff-software-engineer-discovery-platform"},{"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-staff-software-engineer-discovery-platform"},{"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-staff-software-engineer-discovery-platform"},{"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-staff-software-engineer-discovery-platform\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fwhatnot-staff-software-engineer-discovery-platform"}]}