Jobs · himalayas

C

Lead Software Engineer

Halcyon Labs · United States · Posted 24d ago

remoteFull-timelead5-8 yrsEstimated 93k-215k USD🇺🇸 United States
Apply on himalayas

About the role

Build full-stack features across flagship products and drive engineering culture.

Job Responsibilities: You’ll be a core part of a high-trust team that builds mission-critical systems at breakneck speed. Expect real ownership, end-to-end product impact, and a seat at the architecture table from day one. In this role, you will: Build full-stack features across our three flagship products—Angular, Node.js, React, AWS (serverless). Own projects end-to-end, from product definition through backend/frontend, QA, deployment, and beyond. Collaborate closely with clinicians, ML researchers, and engineers to ship high-impact features in fast iteration cycles. Work with GraphQL APIs, reinforcement learning models, and real-world data pipelines to drive patient outcomes. Continuously improve developer experience, system stability, and CI/CD workflows. Join customer calls to deepen understanding of user needs and shape product direction. Drive engineering culture, mentor junior developers, and help scale the team’s impact over time. Job Requirements: 5–15 years of professional experience as a full-stack engineer, with proven product ownership. Expertise in JavaScript/TypeScript, with strong command of Angular, React, and Node.js. Fluency with AWS serverless architecture: Cognito, Lambda, DynamoDB, AppSync, CloudFormation, etc. Experience building end-to-end products (not just infra or microservices), ideally at fast-scaling, VC-backed startups (Series A–C). Strong product sensibility—you're a T-shaped engineer who obsesses over both code quality and user experience. Long tenures (2+ years per role) with clear growth trajectory. Degree in CS or equivalent from a top-tier university (e.g. MIT, Stanford, CMU, ETH, Toronto, Oxford, etc.). Experience integrating GraphQL, ML models, or agentic AI systems. Background in healthcare, life sciences, or climate tech. Prior role as a founding engineer, CTO, or technical co-founder. Hacker mindset—relentless problem-solver, resourceful, autonomous. Mission-driven—deep desire to build for the real world and do work that saves lives. Thrives in high-intensity, ambiguous, and fast-paced environments. Cares about shaping engineering culture and empowering others. Originally posted on Himalayas

Read the full posting on himalayas

FAQ

Is the Lead Software Engineer role at Halcyon Labs remote?+

This Lead Software Engineer position is listed as remote (United States).

What is the salary for the Lead Software Engineer role at Halcyon Labs?+

The listing states Estimated 93k-215k USD.

What seniority level is this Lead Software Engineer role?+

This is a lead level position.

How do I apply for the Lead Software Engineer role at Halcyon Labs?+

Use the "Apply on himalayas" button to open the original posting on himalayas, where you can submit your application directly to Halcyon Labs.