Senior Software Engineer | Backend-Leaning | Python | Distributed Systems | Data Pipelines | Must have Startup Exp

Senior Software Engineer | Backend-Leaning | Python | Distributed Systems | Data Pipelines | Must have Startup ExpPackage: $190,000 - $280,000 + meaningful equity Working model: Hybrid – 2/3 days p/w in New York City Eligibility: Existing US work authorisation required Required Tech Stack: Python backend, distributed systems, data pipelines/integrations, startup experience (Non-Negotiable)🚨 Please only apply if you have ALL of the following 🚨Core technologies:Strong Python backend engineeringHands-on experience designing and building distributed data pipelinesExperience integrating with complex, messy external systems and data sourcesStrong SQL and experience with structured and semi-structured dataEnvironment:Proven experience in a fast-moving startup or scale-up (this is non-negotiable)Comfortable owning systems end-to-end, from architecture through to productionThrives on autonomy, ambiguity, and rapid iterationHigh-ownership mentality — you research, build, ship, and talk to customersKey skills:Architecting and scaling production-grade data integration infrastructureSolving genuinely hard interoperability and data-ingestion problemsContributing to architectural vision and technical roadmap, not just ticketsStrong engineering fundamentals — code quality, reliability, performanceClear written and spoken English and the ability to work effectively in a small, high-talent-bar teamRole OverviewAn early-stage, investor-backed AI company is on a tear — and they're hiring a backend-leaning Senior Software Engineer to help take them to the next level.This is a team using AI to fix one of the largest, most broken, and most expensive problems in healthcare. The product already delivers serious, measurable value to customers, they've recently closed a Series A, and they're scaling fast off the back of major enterprise deals just signed. Early team. Huge mission. Real impact.You'll own the data integration strategy that lets them onboard customers at scale — building the pipelines and infrastructure that connect cleanly into a messy, fragmented ecosystem. This is one of the hardest and most important problems in the business, and you'll be central to solving it.Key ResponsibilitiesDrive the architecture, design, and build of complex pipelines for AI agents and data ingestionDevelop and scale data integration infrastructure that connects seamlessly to a wide range of external systemsSolve tough interoperability challenges that directly unlock customer valueWork shoulder-to-shoulder with engineering and product to improve onboarding speed and shape the data strategyContribute to the team's architectural vision and long-term technical roadmapDrive code quality through reviews and technical design docs, and spread knowledge across the teamNice to HaveStaff-level experienceBackground at a high-bar startup or a top-tier, fast-moving tech companyDomain experience in healthcare, regulated environments, or complex data interoperabilityExperience working closely with customers to shape what gets builtThis is a rare shot to join early, shape the technical direction, and build something that genuinely matters -fast.If you tick every box above and can move quickly, get in touch for a fast response. 🚀