{"id":80039,"url":"https://alion.io/job/siftstack-senior-software-engineer-full-stack-2","title":"Senior Software Engineer, Full Stack","company":{"id":4821,"name":"Sift","domain":"siftstack.com","url":"https://alion.io/company/siftstack","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":82,"open_postings":7,"ghost_share":0,"stale_share":0.714,"repost_share":0,"time_to_fill_p50_days":56,"computed_at":"2026-10-15T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Marina del Rey, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":230000,"currency":"USD","period":"year","gross":null,"usd_annual":230000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Druid","optional":false},{"name":"Go","optional":false},{"name":"Next.js","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Rust","optional":false},{"name":"TypeScript","optional":false},{"name":"Apache ECharts","optional":true},{"name":"Apache HTTP Server","optional":true},{"name":"ArgoCD","optional":true},{"name":"AWS","optional":true},{"name":"D3.js","optional":true},{"name":"Docker","optional":true},{"name":"Flink","optional":true},{"name":"GitHub Actions","optional":true},{"name":"Grafana","optional":true},{"name":"gRPC","optional":true},{"name":"JavaScript","optional":true},{"name":"Kubernetes","optional":true},{"name":"Kustomize","optional":true},{"name":"Linux","optional":true},{"name":"Prometheus","optional":true},{"name":"Redux","optional":true},{"name":"Terraform","optional":true},{"name":"Terragrunt","optional":true},{"name":"Time Series Forecasting","optional":true},{"name":"WebAssembly","optional":true}],"status":"live","first_seen_at":"2026-08-11T16:45:31Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-16T02:46:26Z","board_verified":true,"closed_at":null,"days_open":65,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":65},"description":"About Sift\nSift is the data infrastructure platform for hardware engineering teams. Sift turns high-frequency telemetry into engineering insights for mission-critical systems. Teams use Sift to build and operate rockets, satellites, autonomous vehicles, energy systems, defense platforms, and more.\nFounded by former SpaceX engineers who built the tools behind Dragon and Starlink, Sift is building the data infrastructure to herald the AI era for physical systems.\nIn This Role, You'll:\nBuild and maintain full stack features across our web application and data processing backend for complex telemetry data\n\nCreate intuitive user interfaces for data exploration while optimizing for large real-time datasets\n\nImplement efficient APIs and data access patterns for real-time data streaming\n\nCollaborate with data platform and frontend teams on service design and implementation\n\nWrite clean, maintainable code and participate in technical design discussions\n\nThe Skillset You'll Bring:\n8+ years of professional experience in full-stack software development\n\nExperience building production applications with technologies like React, NextJS, TypeScript, Go, Rust, and Python\n\nFamiliarity with relational and non-relational databases, e.g. PostgreSQL, Druid, Pinot, Timescale, or similar\n\nStrong problem-solving skills and attention to detail\n\nBonus Points:\nExperience with technical visualization tools (WebGL, D3.js, Apache ECharts) and time-series data\n\nKnowledge of WebAssembly and browser-based computation\n\nBackground in scientific computing or technical data visualization\n\nExperience building tools for technical users (dashboards, data-editing environments)\n\nBuilt and launched side projects with consistent usage traffic\n\nEngineering At SIFT:\nYou'll have the opportunity to help evolve and scale our platform because we're still in the early stages of building the product. Relevant technologies include:\nWeb frontend & backend: ECharts, Go, gRPC, PostgreSQL, Protobuf, Radix, React, Redux, and TypeScript\n\nData: Arrow, DataFusion, Flink, Parquet, and Rust\n\nInfrastructure: Argo CD, AWS, Docker, GitHub Actions, Grafana, Kubernetes, Kustomize, Linux, Prometheus, and Terragrunt\n\nLocation:\nSift’s headquarters is in Marina Del Rey, CA (Next to LAX). We collaborate in person twice a week-on Mondays and Thursdays -and come together for a full week every two months. We are open to relocating candidates to LA or working from our San Francisco office for the right candidate.\nSalary range: $180,000 - $230,000 per year. Plus equity and benefits.\nEligibility:\nU.S. Person Required: Must be a U.S. citizen, lawful permanent resident, or protected individual such as an asylee or refugee in compliance with ITAR (International Traffic in Arms Regulations) / EAR (Export Administration Regulations) regulations.","description_format":"text","description_chars":2812,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Observability & APM","Manufacturing & Industrial Software","Stream Processing & Real-Time Data"],"lifecycle":[{"event":"open","at":"2026-08-11T16:45:31Z"},{"event":"close","at":"2026-10-07T00:33:38Z"},{"event":"reopen","at":"2026-10-09T18:08:46Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"Filed H-1B visas in the last two years","filings_12m":0,"filings_prev_12m":1,"green_card_filings_12m":0,"median_offered_wage_usd":null,"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)"],"filings_for_role_12m":0}],"liveness":{"score":34,"band":"fade","label":"Fading","p_open":1,"p_active":0.777,"p_room":0.44,"age_days":64,"expected_fill_days":56,"reasons":["conf:1","win:tail","crowd:"],"computed_at":"2026-10-15T05:46:00Z"},"pay":{"stated_usd_annual":230000,"is_top_pay":true},"html_url":"https://alion.io/job/siftstack-senior-software-engineer-full-stack-2","json_url":"https://alion.io/job/siftstack-senior-software-engineer-full-stack-2.json","meta":{"generated_at":"2026-10-16T05:09:28Z","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":2336,"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":4821},"rest":"https://alion.io/mcp/rest/get_company?id=4821"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsiftstack-senior-software-engineer-full-stack-2"},{"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%2Fsiftstack-senior-software-engineer-full-stack-2"},{"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%2Fsiftstack-senior-software-engineer-full-stack-2"},{"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/siftstack-senior-software-engineer-full-stack-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsiftstack-senior-software-engineer-full-stack-2"}]}