WHOOP Jobs

Software Engineer II (Backend, AI Experiences & AI Platform)

WHOOP

Software Engineer II (Backend, AI Experiences & AI Platform)

Reposted Yesterday

Easy Apply

Boston, MA, USA

Hybrid

125K-175K Annually

Mid level

Fitness • Hardware • Healthtech • Sports • Wearables

Power your performance with 24/7 data

The Role

As a Backend Software Engineer II, you will develop and maintain member-facing features using WHOOP's AI capabilities, collaborating with cross-functional teams and ensuring high-quality software solutions.

Summary Generated by Built In

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 Backend Software Engineer II, you will build on our generative AI capabilities to develop and maintain exciting, member-facing features that drive meaningful health outcomes. You will play a vital role in delivering personalized insights across WHOOP and work alongside experienced engineers, designers, and product managers to help members better understand their health, optimize performance, and gain clarity throughout their WHOOP journey.

This posting is for an immediate new hire to our team. For those graduating in the fall of 2026 seeking entry level roles, we kindly ask that you check out this New Grad Opportunities job posting instead to be considered for roles opening at that time. Thank you.

RESPONSIBILITIES:

Collaborate with cross-functional team including Product, Design, Analytics, and Data Science to gather technical requirements and deliver impactful infrastructure and tools
Leverage Java, Kafka, AWS, and PostgreSQL to deliver scalable and reliable software solutions and features
Consistently deliver high-quality code, adhering to best practices in software design and development
Develop and maintain observability and monitoring systems to ensure the stability and reliability of deployed features

QUALIFICATIONS:

2-4 years of backend software development experience, ideally in languages like Java
Familiarity with asynchronous processing systems (Kafka, SQS)
Experience in backend development, working on large-scale software systems and RESTful API design
Experience in relational database design and development (PostgreSQL)
Experience with scalable system design and performance optimization
Strong independent problem-solving skills and the ability to work effectively in a fast-paced, collaborative environment
Excellent communication skills and a commitment to delivering high-quality work
A proactive, collaborative team player, eager to take on new challenges, continuously learn, and adapt in a fast-paced, data-informed environment

Learn more about our Software Org and how to be successful in your engineering career at WHOOP via our Career Framework.

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.

Interested in the role, but don’t meet every qualification? We encourage you to still apply! At WHOOP, we believe there is much more to a candidate than what is written on paper, and we value character as much as experience. As we continue to build a diverse and inclusive environment, we encourage anyone who is interested in this role to apply.

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.

Skills Required

2-4 years of backend software development experience
Experience in languages like Java
Familiarity with asynchronous processing systems (Kafka, SQS)
Experience in backend development on large-scale software systems and RESTful API design
Experience in relational database design and development (PostgreSQL)
Strong independent problem-solving skills

What the Team is Saying

WHOOP Compensation & Benefits Highlights

Wellbeing & Lifestyle Benefits — Wellness support includes a stipend and a complimentary WHOOP membership to use and gift, aligning perks with the company’s health focus. Feedback suggests these lifestyle benefits are a meaningful part of total rewards.
Healthcare Strength — Core coverage spans medical, dental, vision, mental health services, and life and disability insurance. This breadth indicates a comprehensive health safety net.
Equity Value & Accessibility — Total rewards commonly include stock options or equity participation, positioning ownership as part of compensation. Feedback suggests equity is viewed as a valuable component of the package.

Learn more about WHOOP's Compensation & Benefits →

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The Company

HQ: Boston, MA

500 Employees

Year Founded: 2012

What We Do

At WHOOP, we’re on a mission to unlock human performance. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable device and performance optimization platform has been adopted by many of the world's greatest athletes and consumers alike.

Why Work With Us

At WHOOP, we’re focused on building an inclusive and equitable team with a strong sense of belonging for everyone—increasing representation in every way as our team grows. We believe that our differences are our source of strength—so much so it’s one of our core values. 