{"id":2145544,"url":"https://alion.io/job/whatnot-staff-ios-engineer-app-platform","title":"Staff iOS Engineer, App 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":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":"Mobile","role_family":"Mobile","seniority":"staff","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":170000,"max":290000,"currency":"USD","period":"year","gross":null,"usd_annual":290000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Modularization","optional":false}],"status":"live","first_seen_at":"2026-06-30T00:01:59Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-11T21:55:41Z","board_verified":true,"closed_at":null,"days_open":103,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":103},"description":"Join Whatnot, the largest live shopping platform in North America and Europe. As a Staff iOS Engineer, you will be part of the App Platform team, responsible for building the core architecture and shared components of the app. You will work closely with product teams, improve app stability and performance, and ensure that our infrastructure allows for fast and safe feature shipping. This is a remote position with the option to work from one of our global office hubs.\nMissions\nDesign and maintain the app's core architecture and shared components, including modularization, dependency management, navigation, and the patterns product teams build on.\nBuild and harden the networking, real-time and persistence layers behind live video, chat, and bidding, ensuring stability and performance.\nPartner closely with product teams as an internal consultant, shaping scalable designs early, unblocking them on hard technical problems, and providing guidance.","description_format":"text","description_chars":955,"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":[{"name":"United States","iso":"US","kind":"country"}],"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":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.293,"p_room":0.28,"age_days":102,"expected_fill_days":16,"reasons":["conf:2","stale_co","velocity","ghost","win:tail","crowd:"],"computed_at":"2026-10-10T05:45:15Z"},"pay":{"stated_usd_annual":290000,"is_top_pay":true},"html_url":"https://alion.io/job/whatnot-staff-ios-engineer-app-platform","json_url":"https://alion.io/job/whatnot-staff-ios-engineer-app-platform.json","meta":{"generated_at":"2026-10-11T23:36:58Z","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":14722,"day_limit":null,"remaining_today":null,"minute_limit":300,"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-staff-ios-engineer-app-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-ios-engineer-app-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-ios-engineer-app-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-ios-engineer-app-platform\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fwhatnot-staff-ios-engineer-app-platform"}]}