{"id":439225,"url":"https://alion.io/job/seam-senior-platform-engineer-onsite-sf","title":"Senior Platform Engineer (Onsite - SF)","company":{"id":171916,"name":"Seam","domain":"seam.co","url":"https://alion.io/company/seam-2","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":"DevOps","role_family":"DevOps","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":170000,"max":220000,"currency":"USD","period":"year","gross":null,"usd_annual":220000},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Platform Engineering","optional":false},{"name":"PostgreSQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Datadog","optional":true},{"name":"Grafana","optional":true}],"status":"live","first_seen_at":"2026-09-06T07:20:13Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-26T18:47:34Z","board_verified":true,"closed_at":null,"days_open":50,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":50},"description":"Senior Platform Engineer\nWhy Seam?\nWe build IoT infrastructure that powers smart devices globally. If you've used a code to enter an Airbnb, you've probably used Seam. Our customers range from startups to public companies. Platform engineering here is a force multiplier-you'll directly impact every customer and every line of code we ship.\nOur team includes alums from Nest, Apple, Stanford, YC. Backed by Tiger Global, Root VC, and founders from Stripe, Plaid, Airbnb.\nAbout the role\nWe're looking for a Senior Platform Engineer to join our 3-person platform squad. You'll own the systems that make our engineering team productive and our APIs reliable.\nYour focus: build efficient TypeScript tooling that lets engineers ship device integrations in days instead of weeks, create fast testing infrastructure, scale our background workers, and improve observability across our platform. We're growing rapidly into enterprise and need rock-solid infrastructure without sacrificing developer velocity.\nWe value pragmatism over perfection. Ship fast, learn quickly, iterate. You should be comfortable diving deep into TypeScript, optimizing PostgreSQL queries, and teaching the team what you learn.\nWhat you'll work on\nPlatform Infrastructure - Design systems handling millions of API requests and complex background jobs for device communications\n\nDeveloper Experience - Build TypeScript tooling and frameworks that accelerate integration development, improve code sharing, create abstractions that let engineers ship faster\n\nPerformance & Scale - Optimize PostgreSQL queries, design caching strategies, ensure our platform handles 10x growth\n\nTesting & Reliability - Transform testing from bottleneck to competitive advantage\n\nAbout You\nWe look for people with sharp minds with kind souls.\nYou are:\nSelf-driven - identify problems before they're assigned\n\nPragmatic - ship solutions that work today, build for tomorrow\n\nCollaborative - work closely with product engineers\n\nClear communicator - explain complex systems simply\n\nQualifications\n5+ years backend engineering with platform/infrastructure focus\nExpert TypeScript and PostgreSQL (query optimization, scaling)\nStrong distributed systems and background job processing experience\nExperience building fast, reliable CI/CD pipelines\nInfrastructure as code experience ## Preferred Qualifications\nExperience building developer tooling and frameworks\nAPI-first or developer tools company background\nObservability tools (DataDog, Grafana)\nInterview Process\nTechnical screen (45 min)\nSystem design (45 min)\nPaid work trial day with the team\nBenefits\n100% employer-paid health insurance + 75% dependent coverage\n401K, family-building support, mental health services\nGenerous PTO\nDaily lunch in SF office\n$170k - $220k base + meaningful equity\n In-person role in San Francisco\nTechnical screen (45 min)\nSystem design (45 min)\nPaid work trial day with the team","description_format":"text","description_chars":2905,"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":["401k plan","Equity","Health insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Building Automation & Controls"],"lifecycle":[{"event":"open","at":"2026-09-06T07:20:13Z"}],"visa":[],"liveness":{"score":33,"band":"fade","label":"Fading","p_open":1,"p_active":0.605,"p_room":0.55,"age_days":49,"expected_fill_days":36,"reasons":["conf:1","win:tail"],"computed_at":"2026-10-26T05:57:25Z"},"pay":{"stated_usd_annual":220000,"is_top_pay":true},"html_url":"https://alion.io/job/seam-senior-platform-engineer-onsite-sf","json_url":"https://alion.io/job/seam-senior-platform-engineer-onsite-sf.json","meta":{"generated_at":"2026-10-26T22:47:06Z","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":30889,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"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":171916},"rest":"https://alion.io/mcp/rest/get_company?id=171916"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fseam-senior-platform-engineer-onsite-sf"},{"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%2Fseam-senior-platform-engineer-onsite-sf"},{"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%2Fseam-senior-platform-engineer-onsite-sf"},{"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/seam-senior-platform-engineer-onsite-sf\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fseam-senior-platform-engineer-onsite-sf"}]}