{"id":2023701,"url":"https://alion.io/job/butterflynetinc-principal-full-stack-software-engineer","title":"Principal Full Stack Software Engineer","company":{"id":2973870,"name":"Butterfly Network","domain":"butterflynetinc.com","url":"https://alion.io/company/butterflynetinc","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":200000,"max":230000,"currency":"USD","period":"year","gross":null,"usd_annual":230000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon ECS","optional":false},{"name":"Docker","optional":false},{"name":"GraphQL","optional":false},{"name":"HIPAA","optional":false},{"name":"OpenSearch","optional":false},{"name":"React.js","optional":false},{"name":"Redis","optional":false},{"name":"TypeScript","optional":false},{"name":"WebSockets","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-10T00:06:56Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-13T07:42:12Z","board_verified":true,"closed_at":null,"days_open":33,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":33},"description":"Join Butterfly Network, a digital health company revolutionizing the way healthcare is delivered. As a Principal Full Stack Software Engineer, you will play a critical role in building our Enterprise Clinical workflows system, which connects users to their health information and enables informed diagnostic decisions. You will solve challenging distributed systems problems, design scalable solutions, and mentor other engineers. Enjoy a comprehensive benefits package, flexible PTO, and the opportunity to make a significant impact on global healthcare.\nMissions\nConcevoir et construire des systèmes de flux de travail cliniques critiques pour l'entreprise.\nRésoudre des problèmes de systèmes distribués, concevoir pour l'élasticité, la fiabilité, la performance et la validation automatisée.\nMentorer et diriger d'autres ingénieurs pour atteindre nos objectifs, en transformant les idées en conceptions système.\nProfil recherché\n - 10+ years of experience solving distributed systems/web development problems- Willingness to work in different layers of the stack and unfamiliar problem domains\n- Bachelor's Degree in Computer Science or equivalent experience\n- A track record of mentoring engineers\n- GraphQL and related frameworks e.g. Relay, Apollo and URQL\n- Experience with LLMs and MLOps\n- Containerization and orchestration technologies such as Docker, ECS, EKS\n- Web apps with live updates - pub/sub solutions (such as Redis), WebSockets\n- Designing and building observability solutions, utilizing modern monitoring, logging, and metrics tools to ensure overall system health\n- Frontend experience with React and TypeScript\n- OpenSearch or other Lucene-based search engines\n- HIPAA, PHI, and PII compliance","description_format":"text","description_chars":1716,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-07T13:25:21Z"}],"visa":[],"liveness":{"score":37,"band":"fade","label":"Fading","p_open":1,"p_active":0.666,"p_room":0.55,"age_days":33,"expected_fill_days":27,"reasons":["conf:2","velocity","win:tail"],"computed_at":"2026-10-13T05:45:00Z"},"pay":{"stated_usd_annual":230000,"is_top_pay":true},"html_url":"https://alion.io/job/butterflynetinc-principal-full-stack-software-engineer","json_url":"https://alion.io/job/butterflynetinc-principal-full-stack-software-engineer.json","meta":{"generated_at":"2026-10-13T08:01:50Z","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":11851,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"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":2973870},"rest":"https://alion.io/mcp/rest/get_company?id=2973870"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbutterflynetinc-principal-full-stack-software-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%2Fbutterflynetinc-principal-full-stack-software-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%2Fbutterflynetinc-principal-full-stack-software-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/butterflynetinc-principal-full-stack-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbutterflynetinc-principal-full-stack-software-engineer"}]}