{"id":850625,"url":"https://alion.io/job/numos-senior-full-stack-engineer","title":"Senior Full-Stack Engineer","company":{"id":680256,"name":"Numos","domain":"numos.ai","url":"https://alion.io/company/numos-2","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-09-29T05:45:00Z"}},"role":"Backend","role_family":"Backend","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":null,"salary_estimate":{"min_usd":155000,"max_usd":286000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":2304},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"GCP","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-03-31T04:58:45Z","employer_posted_date":"2026-03-31","last_verified_at":"2026-09-29T10:14:59Z","board_verified":true,"closed_at":null,"days_open":182,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":181},"description":"We’re looking for a senior full stack engineer to help build the core systems behind AI teammates for finance. You’ll design and ship infrastructure that allows agents to initiate, execute, and complete real workflows across messy enterprise environments. This is not surface-level AI. You’ll be working on systems that combine reasoning, context, and action in production.\nWhat you’ll do\nDesign and build end-to-end systems that power intelligent, outcome-driven workflows\n\nOwn features across the stack, from backend services to user-facing interfaces\n\nIntegrate AI models into reliable, auditable production systems\n\nWork closely with product and customers to solve real finance and accounting problems\n\nBuild for scale, security, and enterprise-grade reliability from day one\n\nWhat we’re looking for\n5+ years of full stack development experience\n\nStrong proficiency in Python\n\nExperience with modern cloud platforms (AWS, Azure, or GCP)\n\nHands-on experience integrating AI/ML systems into applications\n\nBackground in enterprise software architecture and distributed systems\n\nWhy Numos\nYou’ll be building systems that don’t just assist work, but actually get it done. The problems are complex, the expectations are high, and the impact is real.","description_format":"text","description_chars":1247,"description_truncated":false,"requirements":{"experience_years_min":5,"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":["Financial AI","Accounting & Tax Software"],"lifecycle":[{"event":"open","at":"2026-09-13T03:29:25Z"}],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.294,"p_room":0.28,"age_days":182,"expected_fill_days":42,"reasons":["conf:6","win:tail","crowd:"],"computed_at":"2026-09-29T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/numos-senior-full-stack-engineer","json_url":"https://alion.io/job/numos-senior-full-stack-engineer.json","meta":{"generated_at":"2026-09-30T00:34:28Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":397,"day_limit":5000,"remaining_today":4603,"minute_limit":60,"resets_at":"2026-10-01T00:00:00Z"}}}