Linus Health is a Boston-based digital health company focused on transforming brain health for people across the world. By advancing how we detect and address cognitive and brain disorders – leveraging cutting-edge neuroscience, clinical expertise, and artificial intelligence – our goal is to enable a future where people can live longer, happier, and healthier lives with better brain health.
About the role
As a Senior Full stack Software Engineer I you will be a core team member responsible for driving the design, development, and delivery of complex software systems. By combining deep front end technical expertise with strong backend api design abilities you will drive secure, performant implementations with your fellow team members toward high-impact outcomes. Influence api and database design decisions, front end technical direction, and ensure the scalability, reliability, and maintainability of software solutions. Collaborate closely with cross-functional partners—including product managers, designers, and other engineers—to align technical initiatives with business goals. Mentor and coach other engineers, fostering growth, best practices, and a culture of technical excellence within the organization.
Please note that this position is for a Senior I FS Engineer, not a Senior II or Staff. Please also only apply if you're salary expectations are within the range that is included on the job post below.
What you'll do
- Build full stack applications upon restful services, ensuring performant, scalable, observable, maintainable solution in collaboration with Software Architect.
- Lead by example with hands-on coding, code reviews, full stack feature design, while also anticipating 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 ensuring speed gains are paired with validation, security, and reliability.
- Uphold best practices for testing (unit, integration, snapshot, e2e), CI/CD pipelines, code quality, and observability in all solutions.
- Collaborate with other engineers across projects using excellent written and verbal communication skills with a proactive mindset to deliver on the goals of the team.
- Collaborate cross-functionally with Software Architect, Product, Design, Data Science/Medical, and Security to translate requirements into elegant, maintainable solutions that meet our customer’s needs.
About You:
Must Haves:
- 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.
Nice To Have's:
- Experience with mobile development in React Native or iOS/Swift.
- Exposure to data visualization libraries (D3, Victory, Recharts, or native iOS charting).
- Previous work in digital health or regulated environments (EHRs, HIPAA, GDPR).
- Experience with Temporal orchestration.
- Experience with Aurora Postgres, database design.
- Experience / familiarity with Java services.
How You Embody Our Values
At Linus, we live by Be Real, Be Wise, Be Noble, Be a Team, Be Masters of Our Craft, Think Big and Act Bold. In this role, you will:
- Be Real: communicate technical tradeoffs and risks candidly across teams.
- Be Wise: guide design choices using data, metrics, and long-term thinking.
- Be Noble: uphold high standards for api responsiveness, production observability, and customer data privacy in every decision.
- Be a Team: enable engineers to succeed through mentorship, documentation, and open collaboration.
- Be Masters of Our Craft: set exemplary standards for api quality, performance, and maintainability (including AI-assisted workflows).
- Think Big and Act Bold: lead bold initiatives like public api development that transform how we interface with the broader healthcare ecosystem.
Compensation: The base salary budgeted for this position is in the $155,000-165,000 range per year. This position will also include a yearly target discretionary bonus as well as equity, health benefits, unlimited PTO, a monthly flex day, a 401K plan with a match and more. The final offer determined for the candidate who is hired into this position will depend on a number of factors, including, but not limited to, the candidate's relevant skills, professional experience, labor market conditions, etc.
Linus Health is an equal opportunity employer. All qualified candidates will receive consideration for employment without regard to race, religion, color, national origin, sexual orientation, gender, gender identity or expression, age, genetic information, disability or any characteristic protected by law. We believe that diversity is critical to the growth of our company and understand the importance of fostering an environment where everyone has a voice. We are also committed to providing reasonable accommodations for candidates with disabilities during the recruiting process. If you are in need of assistance due to a disability, please contact us
Skills Required
- 5+ years of software engineering experience with significant expertise in React and Node.js
- 3+ years building RESTful services, including database design, in Node.js
- Strong knowledge of modern JavaScript and TypeScript tooling and ecosystems, including Webpack, Vite, Babel, ESLint, Jest, and Cypress or Playwright
- Familiarity with AI-assisted development workflows and the ability to accelerate development through practical application
- Proficiency in frontend performance optimization, including bundle splitting, lazy loading, caching strategies, and rendering patterns
- Strong written and verbal communication skills, including driving consensus, documenting ADRs and RFCs, and presenting tradeoffs
- Experience with mobile development using React Native or iOS and Swift
- Exposure to data visualization libraries such as D3, Victory, Recharts, or native iOS charting
- Previous experience in digital health or regulated environments, including EHRs, HIPAA, or GDPR
- Experience with Temporal orchestration
- Experience with Aurora PostgreSQL and database design
- Experience or familiarity with Java services
Linus Health Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Linus Health and has not been reviewed or approved by Linus Health.
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Leave & Time Off Breadth — Time off is presented as unlimited PTO with paid holidays and sick days, plus a monthly Flex Day to reset and recharge. This breadth supports rest and mental health.
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Healthcare Strength — Health coverage spans medical, dental, vision, disability, and life insurance, alongside explicit mental health benefits. Plans are described as competitive and flexible.
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Retirement Support — Retirement offerings include a 401(k) with a company match. This provides a strong savings foundation within the total rewards package.
Linus Health Insights
What We Do
Linus Health is a Boston-based digital health company focused on transforming brain health for people across the world. By advancing how we detect and address cognitive and brain disorders – leveraging cutting-edge neuroscience, clinical expertise, and artificial intelligence – our goal is to enable a future where people can live longer, happier, and healthier lives with better brain health.
Why Work With Us
We are a team-first culture on a mission to enable proactive, personalized brain health for everyone. We are a scrappy and enthusiastic group of individuals all working towards this mission day in and day out.
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