Senior Software Engineer – Backend

Counsel Health

Senior Backend Engineer enhancing platform capabilities and building robust APIs for AI-powered healthcare startup. Collaborating on greenfield projects and ensuring system reliability and performance.

Posted 7/2/2026full-timeNew York City • New York • 🇺🇸 United StatesSenior💰 $185,000 - $225,000 per yearWebsite

Tech Stack

Tools & technologies

Distributed Systems

About the role

Key responsibilities & impact

Design and evolve our external API and embedded product layer with long-term stability, disciplined versioning, and enterprise-grade craftsmanship
Evolve our agentic retrieval harness to support patient and clinical search across structured and unstructured data, with strict permission and audit guarantees
Build reusable platform primitives that let external partners embed and extend our AI capabilities, so every integration adds lasting platform leverage
Contribute to core data models that unify structured health records, unstructured inputs, and high-frequency time-series signals

Requirements

What you’ll need

5+ years building production backend systems, ideally in high-growth environments
Experience designing and maintaining external-facing APIs used by customers or partners
Strong data modeling instincts, particularly around time-series or high-frequency data
Experience working with distributed systems and multi-tenant architectures
Comfort contributing to greenfield architectural design while shipping pragmatically

Benefits

Comp & perks

Comprehensive healthcare
Vision + dental
401K
Unlimited PTO
Parental Leave

ATS Keywords

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Hard Skills & Tools

Backend DevelopmentAPI DevelopmentData ModelingTime-Series Data HandlingGreenfield Architecture Design