Software Engineer II (Fullstack, Health)

WHOOP; Boston (MA); On-site; USD 125,000 - 175,000; Full time

Benefits offered by this job

Equity package

Benefits

Job summary

WHOOP in Boston, MA is seeking a Software Engineer II (Full Stack) on the Health team to build and maintain clinical tools powering healthcare initiatives.

You will work across the full stack with React and TypeScript on the frontend and Java services on the backend, delivering secure, scalable experiences for providers and internal teams.

The role emphasizes security, reliability, and design-system consistency, with a compensation package including base salary and equity.

Qualifications

• Experience building modern web applications using React and TypeScript.
• Experience developing backend services and RESTful APIs using Java and PostgreSQL.
• Experience building secure applications with authentication, authorization, and data protection.
• Experience working with frontend architecture, component libraries, and design systems.
• Experience writing automated tests and producing clear technical documentation.
• Strong problem-solving skills and ability to work across the full technology stack in a fast-paced environment.

Responsibilities

• Work in a cross-functional team to build clinical tools and healthcare experiences.
• Develop and maintain full stack applications using React, TypeScript, Java, RESTful APIs, Postgres, Kafka, and AWS.
• Build accessible user interfaces leveraging WHOOP's design system for consistency.
• Design secure backend services and APIs protecting health information and enabling scalable workflows.
• Translate product requirements into technical solutions and deliver features iteratively.
• Write clean, well-tested code and participate in code reviews.

Skills

React

TypeScript

Java

RESTful APIs

Security practices

Automated tests

Design systems

Documentation

Tools

PostgreSQL

Kafka

AWS

Job description

At WHOOP, we're on a mission to unlock human performance. WHOOP empowers users to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable device tracks key physiological metrics such as heart rate variability, resting heart rate, and sleep quality to provide personalized insights into users' fitness, health, and recovery.

As a Software Engineer II (Full Stack) on the Health team, you will build and maintain the clinical tools that power WHOOP's healthcare initiatives. Working across the full stack, you'll develop secure, scalable applications that enable healthcare providers and internal teams to interact with member health data while helping bring innovative health experiences to market. You'll collaborate closely with Product, Design, Data Science, and Clinical teams to build intuitive user experiences in React and TypeScript, backed by reliable Java services and cloud infrastructure. The Health team works at the forefront of digital health, developing products and insights that improve health outcomes while maintaining the highest standards for security, privacy, and reliability.

RESPONSIBILITIES:

• Work in a cross-functional team with Product, Design, Clinical, Data Science, and Software Engineering to build impactful clinical tools and healthcare experiences
• Develop and maintain full stack applications using React, TypeScript, Java, RESTful APIs, Postgres, Kafka, and AWS.
• Build intuitive, accessible user interfaces while leveraging and contributing to WHOOP's shared design system to deliver consistent user experiences
• Design and implement secure backend services and APIs that protect sensitive health information and support scalable, reliable clinical workflows
• Translate product requirements into technical solutions, identify risks early, and deliver features through iterative development
• Write clean, well-tested, and maintainable code, participate in code reviews, and contribute to engineering best practices across the team

QUALIFICATIONS:

• Experience building modern web applications using React and TypeScript
• Experience developing backend services and RESTful APIs using Java (or another object-oriented language) and working with relational databases such as Postgres
• Experience building secure applications, with an understanding of authentication, authorization, and best practices for protecting sensitive user data
• Experience working with modern frontend architecture, component libraries, and design systems
• Experience writing automated tests and producing clear technical documentation
• Strong problem-solving skills and a passion for building scalable, user-focused software through iterative, data-informed development
• Thrives in a fast-paced, collaborative environment and enjoys working across the full technology stack

This role is based in the WHOOP office located in Boston, MA. The successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office.

WHOOP is an Equal Opportunity Employer and participates in E-verify to determine employment eligibility. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

The WHOOP compensation philosophy is designed to attract, motivate, and retain exceptional talent by offering competitive base salaries, meaningful equity, and consistent pay practices that reflect our mission and core values.

At WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company’s long-term growth and success.

The U.S. base salary range for this full-time position is $125,000 - $175,000. Salary ranges are determined by role, level, and location. Within each range, individual pay is based on factors such as job-related skills, experience, performance, and relevant education or training.

In addition to the base salary, the successful candidate will also receive benefits and a generous equity package.

These ranges may be modified in the future to reflect evolving market conditions and organizational needs. While most offers will typically fall toward the starting point of the range, total compensation will depend on the candidate’s specific qualifications, expertise, and alignment with the role’s requirements.