{"id":2145550,"url":"https://alion.io/job/whatnot-software-engineer-safety-experience","title":"Software Engineer, Safety Experience","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":"middle","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":170000,"max":230000,"currency":"USD","period":"year","gross":null,"usd_annual":230000},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-06-28T00:01:44Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-11T21:55:41Z","board_verified":true,"closed_at":null,"days_open":106,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":105},"description":"Join Whatnot, the largest live shopping platform in North America and Europe. As a Software Engineer on the Safety Experience team, you'll design and develop systems to protect the platform, balance risk and user experience, respond in real time to threats, contribute across the full development lifecycle, drive cross-team initiatives, and continuously evolve defenses. You should have 4+ years of software engineering experience, a Bachelor's Degree in Computer Science or related field, and a data-driven mindset. Benefits include generous time off, health insurance options, work from home support, care benefits, retirement plans, and parental leave.\nMissions\nDesign and develop systems to protect the platform, building and iterating on production algorithms and infrastructures that mitigate systemic risks.\nBalance risk and user experience by proactively monitoring the impact of protective systems on trusted users, ensuring interventions deliver more value than friction.\nRespond in real time to threats by architecting event-driven pipelines and detection frameworks that enable near real-time responses to high-risk user behavior.","description_format":"text","description_chars":1143,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"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":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.25,"p_room":0.28,"age_days":104,"expected_fill_days":25,"reasons":["conf:2","stale_co","velocity","ghost","win:tail","crowd:"],"computed_at":"2026-10-10T05:45:15Z"},"pay":{"stated_usd_annual":230000,"is_top_pay":true},"html_url":"https://alion.io/job/whatnot-software-engineer-safety-experience","json_url":"https://alion.io/job/whatnot-software-engineer-safety-experience.json","meta":{"generated_at":"2026-10-12T00:53:15Z","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":752,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"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-software-engineer-safety-experience"},{"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-software-engineer-safety-experience"},{"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-software-engineer-safety-experience"},{"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-software-engineer-safety-experience\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fwhatnot-software-engineer-safety-experience"}]}