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Senior Software Engineer (Backend)

Growing health tech organization New York City, NY or Boston, MA Direct Hire Biotech & Life Sciences $185,000 - $225,000

Job Summary

Join a high-growth health tech team as a Senior Backend Engineer, designing and maintaining external-facing APIs that major clients rely on for seamless integrations. You'll own critical platform components, building scalable data pipelines for health records, wearables, labs, and EHR data in a fast-paced, greenfield environment. This role offers high ownership from day one, shaping the backend architecture to support evolving enterprise partnerships and client needs.

Essential Functions

  • Design and evolve external APIs and embedded product layers with disciplined versioning and enterprise-grade stability for healthcare clients
  • Own platform primitives on the integrations team, ingesting, reconciling, and exposing wearable, medication, lab, and EHR data
  • Collaborate with enterprise partners' engineering teams to build and maintain embedded integrations
  • Develop core data models unifying structured health records, unstructured inputs, and high-frequency time-series signals
  • Build pluggable ingestion frameworks to normalize third-party data into canonical internal models
  • Shape backend architecture to adapt to new integration patterns and client requirements

Required Qualifications

  • 5-12 years of experience building production backend systems, ideally at high-growth startups
  • Experience designing and maintaining external-facing/public APIs used by customers or partners
  • Owned foundational data models that scaled at a company
  • Zero-to-one experience at a startup or on new projects/teams at large companies
  • Proficiency with relational databases like PostgreSQL, queuing systems, and distributed systems
  • Experience with TypeScript/Node.js
  • High ownership with ability to independently deliver end-to-end features
  • Strong written communication and proactive timeline management

Preferred Qualifications

  • Experience in healthcare or health tech
  • Strong data modeling instincts, particularly with health data, time-series, or high-frequency signals
  • Enterprise integrations or partner onboarding experience
  • Founding engineer or ex-founder background
  • CS degree from a strong university, or equivalent strong company experience

Technical Skills

  • TypeScript
  • Node.js
  • PostgreSQL
  • Queuing systems
  • Distributed systems
  • API design and versioning
  • Data modeling
  • Health data integration
  • Time-series data
  • Enterprise integrations

Education & Certifications

CS degree from a strong university, or compensated by strong company experience.

Compensation & Benefits

Competitive salary range of $185,000 - $225,000 based on experience, plus comprehensive benefits package for a direct hire role.

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