Senior Full Stack Engineer, React, Node.JS

Linus Health

. Build full stack applications upon RESTful services, ensuring performant, scalable, observable, maintainable solutions in collaboration with the Software Architect .

Posted 9/3/2026full-timeRemote • Massachusetts • United StatesSenior💰 $155,000 - $165,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in building full stack applications using React and Node, with a strong focus on RESTful services, performance optimization, and AI-assisted development practices. Proven ability to mentor engineers, uphold best practices in testing, and collaborate effectively across cross-functional teams.

Highest-signal resume keywords

React Framework ExpertiseNode.js DevelopmentRESTful Services DesignFrontend Performance OptimizationAI-Assisted Development Workflows

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Full Stack DevelopmentJavaScriptTypeScriptDatabase DesignUnit TestingIntegration TestingEnd-to-End TestingCI/CD PipelinesCode Quality AssurancePerformance Optimization

Soft Skills

Strong CommunicationMentoringCollaborationConsensus BuildingDocumentation

Tools & Technologies

WebpackViteBabelESLintJestCypressPlaywright

Industry Keywords

Software EngineeringScalabilityMaintainabilityObservabilityTechnical Debt

Tech Stack

Tools & technologies

BabelCypressJavaScriptJestNode.jsReactTypeScriptWebpack

About the role

Key responsibilities & impact

Build full stack applications upon RESTful services, ensuring performant, scalable, observable, maintainable solutions in collaboration with the Software Architect
Lead by example with hands-on coding, code reviews, and full stack feature design
Anticipate long-term challenges such as system performance, technical debt, and evolving technology stacks
Advance AI-assisted usage by championing best practices and practical applications for AI-assisted code generation
Uphold best practices for unit, integration, snapshot, and end-to-end testing
Maintain CI/CD pipelines, code quality, and observability
Collaborate with engineers across projects to deliver team goals
Collaborate cross-functionally with Software Architect, Product, Design, Data Science/Medical, and Security
Translate requirements into elegant, maintainable solutions meeting customer needs
Mentor and coach other engineers
Influence API and database design decisions and front-end technical direction
Ensure software scalability, reliability, and maintainability

Requirements

What you’ll need

5+ years of software engineering experience with significant expertise in React framework and Node
3+ years building RESTful services including database design in Node
Strong grasp of modern JavaScript/TypeScript tooling and ecosystems (Webpack, Vite, Babel, ESLint, Jest, Cypress/Playwright)
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

Benefits

Comp & perks

Yearly target discretionary bonus
Equity
Health benefits
Unlimited PTO
Monthly flex day
401K plan with a match
Reasonable accommodations for candidates with disabilities during the recruiting process