{"id":17663,"url":"https://alion.io/job/uncountable-senior-full-stack-engineer","title":"Senior Full-Stack Engineer","company":{"id":5212,"name":"Uncountable","domain":"uncountable.com","url":"https://alion.io/company/uncountable","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"D","score":46,"open_postings":29,"ghost_share":0.897,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-16T05:45:00Z"}},"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":["New York, 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":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"JavaScript","optional":false},{"name":"Flask","optional":true},{"name":"PostgreSQL","optional":true},{"name":"Python","optional":true},{"name":"React.js","optional":true},{"name":"Redux","optional":true},{"name":"Sass","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2024-08-25T23:09:46Z","employer_posted_date":"2024-08-25","last_verified_at":"2026-10-17T00:54:48Z","board_verified":true,"closed_at":null,"days_open":782,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":781},"description":"Thank you for your interest in Uncountable Engineering!\nDescription\n Uncountable is seeking experienced platform engineers who are passionate about user experience and scaling web applications. Our goal is to revolutionize industrial research and development. We're looking for motivated engineers who can help to build a state of the art development platform that will be used across Fortune 500 companies.\nPrimary Responsibility\nYou primary responsibility will be to develop the Uncountable Web Platform where scientists upload and analyze their experiments. You will take ownership of both the front-end and back-end of the web platform. This role would be about half front-end and half back-end.\nAs a senior engineer you will often be responsible for engaging directly with customers and leading enterprise software deployments.\nSalary Range: $170K-$220K + Equity\nRequirements\n3+ years of full-stack development experience\n\nExperience with modern Javascript best practices\n\nSolid computer science and software engineering fundamentals\n\nExpertise in database design principles\n\nPreferred Qualifications\nB.S. in computer science\n\nFamiliarity with React, ES6\n\nOur Current Stack\nBackend: Flask (Python), Postgres\n\nFrontend: React (Typescript), Redux, Sass\n\nBenefits\nCompetitive Salary and Equity\n\nHealth and Dental Insurance\n\n401K with Employer Contribution\n\nWhat's next? Learn more about Interviewing at Uncountable\nLearn more about our engineering team: Check out our blog\nBy applying for this role, your personal data will be processed in accordance with our Privacy Policy.","description_format":"text","description_chars":1577,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["401k plan","Dental insurance","Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Materials Science & Nanotechnology","Industrial AI","AI for Science","Scientific & Lab Software"],"lifecycle":[{"event":"open","at":"2024-08-25T23:09:46Z"},{"event":"open","at":"2026-09-26T09:06:16Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 4","filings_12m":4,"filings_prev_12m":4,"green_card_filings_12m":0,"median_offered_wage_usd":122500,"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":1}],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.194,"p_room":0.28,"age_days":781,"expected_fill_days":38,"reasons":["conf:2","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-16T05:45:00Z"},"pay":{"stated_usd_annual":220000,"is_top_pay":true},"html_url":"https://alion.io/job/uncountable-senior-full-stack-engineer","json_url":"https://alion.io/job/uncountable-senior-full-stack-engineer.json","meta":{"generated_at":"2026-10-17T04:38:26Z","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":6098,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":5212},"rest":"https://alion.io/mcp/rest/get_company?id=5212"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Funcountable-senior-full-stack-engineer"},{"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%2Funcountable-senior-full-stack-engineer"},{"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%2Funcountable-senior-full-stack-engineer"},{"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/uncountable-senior-full-stack-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Funcountable-senior-full-stack-engineer"}]}