{"id":3542869,"url":"https://alion.io/job/flatiron-health-senior-software-engineer-4","title":"Senior Software Engineer","company":{"id":48057,"name":"Flatiron Health","domain":"flatiron.com","url":"https://alion.io/company/flatiron-health","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":8,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":55,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","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":null,"salary_estimate":{"min_usd":133000,"max_usd":248000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3667},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"C#","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"TypeScript","optional":false},{"name":"AI Agents","optional":true},{"name":"Claude Code","optional":true},{"name":"Cursor","optional":true},{"name":"HIPAA","optional":true}],"status":"live","first_seen_at":"2026-10-30T18:40:16Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-11-06T05:21:39Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Reimagine the infrastructure of cancer care within a community that values integrity, inspires growth, and is uniquely positioned to create a more modern, connected oncology ecosystem.\nWe're looking for a Senior Software Engineer to lead the technical direction of electronic prescribing in OncoEMR, to help us accomplish our mission to improve and extend lives by learning from the experience of every person with cancer. Are you ready to be the next changemaker in cancer care?\nWhat You'll Do\nIn this role you will lead the technical design and delivery of our electronic prescribing (eRx) modernization, including upgrading to the latest standards and actively partnering with key vendors for verification. You will help break large, ambiguous problems into clear plans, tickets, and milestones, and keep the team aligned on scope, risks, and timelines. In addition you will:\nWrite and review high-quality code across the stack in C#, VB.NET, and React, setting the bar for testing, reliability, and maintainability.\nGuide the phased move from legacy WebForms and VB.NET workflows to React micro-frontends and .NET services, balancing modernization with the day-to-day needs of clinicians.\nPartner with product, design, QA, and clinical oncology experts to turn prescriber and pharmacist workflows into thoughtful technical solutions.\nBuild and test safety-critical prescribing workflows that help us meet ONC certification and DEA/EPCS requirements.\nMentor engineers through code reviews, pairing, and design feedback, and help shape how the team works, including how we use AI tools across the development lifecycle.\nAt the end of your first year, success would mean having led eRx work from design through rollout, with a team that ships reliably and clinicians who can prescribe with less friction.\nWho You Are\nYou're a kind, passionate and collaborative problem-solver who values the opportunity to think beyond the way things are. In addition, you're a thoughtful, empathetic communicator with 5-8 years of experience building and shipping production software, including technical leadership of a project or team.\nYou have experience building production software in a modern language (e.g., C#, Java, Python, or TypeScript) and are comfortable working in a large, long-lived codebase.\nYou are a full-stack web developer with experience building both front-end interfaces (e.g., React) and back-end services, including REST APIs and relational databases.\nYou have led the technical design and delivery of complex, cross-team projects from planning through rollout, and can make and communicate architecture tradeoffs.\nYou mentor and grow other engineers through code review, pairing, and thoughtful feedback.\nYou are a self-starter who is comfortable working with ambiguity and breaking large problems into clear steps.\nYou are a team-player who gives and receives feedback openly and enjoys working cross-functionally.\nYou are motivated by our mission and want your work to have a direct impact on people with cancer, in software where safety and accuracy matter.\nExtra credit\nYou have experience using AI coding tools (e.g., Claude Code or Cursor) to build and test software, and a point of view on what works well.\nYou have experience building features powered by LLMs or AI agents, or evaluating AI output for quality and safety.\nYou have experience in a regulated environment (e.g., ONC certification, HIPAA, or DEA/EPCS) and are interested in continuing that kind of work.\nWhere You'll Work\nIn this hybrid role, you’ll have a defined work location that includes work from home and 3 office days set by you and your team. For more information on our approach to hybrid work, please visit the how we work website. \nLife at Flatiron\nAt Flatiron Health, we offer a full range of benefits to support you and your loved ones so you can focus your working hours on improving cancer care and accelerating cancer research, and your non-working hours on everything else life has to offer:\nWork/life autonomy via flexible work hours and flexible paid time off\nComprehensive compensation package\n401(k) contribution to help you reach your retirement planning goals\nFinancial health resources including 1:1 financial advice\nMental well-being tools and services\nParental benefits and policies including family-building care and generous leave\nPath to parenthood programs supporting fertility, adoption and surrogacy\nTravel support for safe healthcare services\nIn addition to our robust benefit offerings, visit our Life at Flatiron page to learn how we support continuous learning and celebrate inclusion and belonging in 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