Senior React/Node Full-Stack Engineer – AI Health Tech

Linus Health; Boston (MA); On-site; USD 155,000 - 165,000; Full time

Benefits offered by this job

Equity

Health benefits

Unlimited PTO

Monthly flex day

401K with match

Job summary

Linus Health in Boston, MA is hiring a Senior Full Stack Engineer I (React, Node.JS) to design, develop, and deliver scalable software that advances brain health. You will mentor others, drive API and frontend decisions, and collaborate with product, design, data science, and security teams to ship high-impact features.

Our compensation includes a base salary of $155,000–$165,000 per year, a discretionary bonus, equity, health benefits, unlimited PTO, a monthly flex day, and a 401(k) match.

Qualifications

• 5+ years of software engineering experience with significant expertise in React framework and Node.
• 3+ years building RESTful services including database design in Node.
• Familiarity with AI-assisted development workflows, and proven ability to accelerate development workflows through practical application.
• Proficiency in frontend performance optimization (bundle splitting, lazy loading, caching strategies, rendering patterns).
• Strong communication skills—able to drive consensus, document decisions (ADRs, RFCs), and present tradeoffs clearly to technical and non-technical stakeholders.

Responsibilities

• Build full stack applications upon RESTful services with performant, scalable, observable, maintainable solutions.
• Lead by example with hands-on coding, code reviews, and full stack feature design while addressing long-term challenges.
• Advance AI-assisted usage by championing best practices for AI-assisted code generation with emphasis on security and reliability.
• Uphold best practices for testing, CI/CD, code quality, and observability across solutions.
• Collaborate with engineers across projects to deliver on team goals with strong communication.
• Collaborate cross-functionally with Architect, Product, Design, Data Science/Medical, and Security to translate requirements into maintainable solutions.

Skills

React

Node.js

REST APIs

AI-assisted development

Frontend performance

Communication

Tools

Aurora Postgres

PostgreSQL

Job description

Linus Health in Boston, MA is hiring a Senior Full Stack Engineer I (React, Node.JS) to design, develop, and deliver scalable software that advances brain health. You will mentor others, drive API and frontend decisions, and collaborate with product, design, data science, and security teams to ship high-impact features.

Our compensation includes a base salary of $155,000–$165,000 per year, a discretionary bonus, equity, health benefits, unlimited PTO, a monthly flex day, and a 401(k) match.