Senior Platform Engineer

Job DescriptionJob DescriptionSenior Platform Engineer — New York New York City Metropolitan Area, United States · Permanent · Hybrid Compensation: $230,000 to $300,000 USD base, plus 0.1% to 0.2% equityBe the first dedicated platform engineer at an AI health company that needs to grow its audit volume 25 times, and write the infrastructure roadmap yourself instead of receiving one.What you'd actually work onManaging and scaling the infrastructure that audits clinical notes against millions of criteria every day, including compute-heavy processing of unstructured PDFs and AI pipelines handling billions of tokens dailyOwning the platform function from day one, reporting directly to the VP of Engineering and defining the infrastructure roadmap yourselfWorking with the two main engineering teams to own DevOps across both, build demo environments, and improve developer productivity through CI/CD, local and testing environmentsDesigning infrastructure patterns that improve latency, reliability and cost, including moving audits toward real time as volume growsLeading security and compliance work end to end, from SOC 2 and HIPAA audits to consolidating SSO, identity, device management and access controls across internal toolsSimplifying observability, improving key reliability metrics across all services, and managing infrastructure and tooling spend to hit cloud cost targetsWhere it gets technically interestingThe company has audited around 23 million clinical notes so far, about 1% of US notes in a year, and the goal is 1 in 4, which means 25 times the current volume on the same AI pipelinesLLM infrastructure processing billions of tokens a day, where latency, reliability and cost pull against each other at every stepRegulated health data, so every infrastructure decision has to hold up in SOC 2 and HIPAA audits, not only in productionA blank page for platform engineering: no inherited platform team, no fixed roadmap, and direct influence on how the whole engineering organization shipsReal cost ownership, with a cloud bill that needs to reach a target number while the volume keeps climbingWhat we're looking for5+ years in software engineering, with the most recent 2+ years focused on platform or infrastructure work (Platform, Infra, DevOps or SRE)Experience owning production infrastructure, building the platform function, or being an early or founding engineer at a Series A to D startupProduction-level code in Python and TypeScriptStrong depth in AWS and infrastructure as code, with a track record of building reliable, observable infrastructure that other engineers actually useExperience bringing a cloud bill down to a target number, and comfort setting your own direction with a high level of autonomyClear, structured communication, since you will work across teams and report straight to engineering leadershipAbility to work hybrid in New York (4 days a week on-site, or 3 days if you live more than one hour away)Fluent EnglishBonus: experience in health tech, fintech or another regulated industry, infrastructure in a SOC 2 or HIPAA environment, LLM infrastructure, rolling out an identity provider like Okta, or mentoring engineersThe company A Series A AI health company founded in 2021, around 55 people, backed by top-tier venture firms. Its real-time medical review platform helps healthcare providers catch clinical and compliance risks before they affect patients, and it already serves more than 250,000 providers across all 50 US states. The engineering team is organized in two product teams, and this role sits between them with a direct line to the VP of Engineering. Equity on a 4-year vest with a 1-year cliff, up to 100% premium coverage for medical, dental and vision, unlimited PTO, and dinner provided in the New York office.A search run by The French Sourcer, recruitment built for technical teams.