Senior Full Stack Engineer I (React, Node.JS)

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. Uphol