Staff Software Engineer

About Linus Health Linus Health is a Boston-based digital health company transforming brain health worldwide. We combine cutting-edge neuroscience, clinical expertise, and AI to advance early detection and intervention for cognitive and brain disorders—empowering people to live longer, healthier lives. With 100+ team members and growing, we’re entering a phase of accelerated growth and looking for top talent to help shape our future.

The Role:

As a Staff Software Engineer you will be a senior technical leader responsible for driving the design, development, and delivery of complex software systems. By combining deep technical expertise with strong leadership and strategic thinking you will guide your fellow team members toward high-impact outcomes. Influence architecture decisions, set 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.

What You'll Do:

Build and maintain restful services, ensuring performant, scalable, observable, maintainable solutions in collaboration with Software Architect Lead by example with hands-on coding, code reviews, and architectural reviews, 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 Establish best practices for testing (unit, integration, snapshot, e2e), CI/CD pipelines, code quality, and observability in backend systems Mentor and empower engineers across multiple teams, raising the bar through reviews, workshops, and shared documentation Collaborate cross-functionally with Software Architect, Product, Design, Data Science/Medical, and Security to translate requirements into elegant, maintainable solutions

About You:

Must Haves:

7+ years of software engineering experience with significant expertise in RESTful services and database design 4+ years building large-scale restful services including database design Strong grasp of modern Java programming, tooling and ecosystems (Maven, JVM internals, advanced Java features, multi-threading, concurrency, memory management) Deep understanding of the Spring ecosystem (Spring Boot, Spring Security), Microservices architecture, RESTful API design, and performance tuning Familiarity with AI-assisted development workflows, and proven ability to accelerate development workflows through practical application Proficiency in query performance optimization and transactional consistency Strong communication skills—able to drive consensus, document decisions (ADRs, RFCs), and present tradeoffs clearly to technical and non-technical stakeholders

Nice To Haves:

• Experience with Temporal orchestration.
• Experience with Aurora Postgres production tuning.
• Previous work in digital health or regulated environments (EHRs, HIPAA, GDPR)
• Familiarity with backend-for-frontend (BFF) patterns.
• 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 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.