Senior Software Engineer (Backend, Business Systems)

WHOOP; Boston (MA); On-site; USD 150,000 - 215,000; Full time

Job summary

WHOOP is seeking a Senior Software Engineer for the Business Systems team in Boston to design and build backend services powering internal operations. You will architect scalable solutions that enable Finance, Operations, and Member Services to scale globally.

You will lead API design, data pipelines, and automation while mentoring engineers and collaborating with stakeholders to balance business needs with technical excellence.

Qualifications

• BS in Computer Science, Engineering, or equivalent experience.
• 5+ years of professional backend software engineering.
• Experience with Java, Python, or Go and API design.
• Experience with cloud-based infrastructure and distributed systems.
• Mentoring engineers and cross-functional collaboration.
• Ability to leverage AI tools in daily tasks.

Responsibilities

• Architect, develop, and maintain backend services and APIs.
• Lead scalable data pipelines and automation.
• Collaborate with stakeholders to translate needs into solutions.
• Mentor engineers and promote best practices.
• Ensure reliability, performance, and security at scale.
• Contribute to long-term technical strategy for Business Systems.

Skills

Backend software engineering

Java/Python/Go

API design & integration

Cloud infrastructure

Relational databases

Distributed systems

Mentoring engineers

AI tooling usage

Education

BS in Computer Science, Engineering, or equivalent experience

Tools

SQL databases

Job description

At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives.

WHOOP is hiring a Senior Software Engineer to join the Business Systems team. In this role, you will design and implement the backend systems that power WHOOP's internal operations, enabling scale and efficiency across the organization. You’ll architect and maintain critical services and integrations that support Finance, Operations, Member Services, and other business functions. By building reliable, secure, and performant systems, you’ll directly shape how WHOOP delivers value to its members and scales globally.

RESPONSIBILITIES

• Architect, develop, and maintain backend services and APIs that power business-critical systems and integrations.
• Lead the design and implementation of scalable data pipelines, automation, and workflows that improve operational efficiency.
• Partner with stakeholders across the business to deeply understand needs and translate them into technical solutions.
• Drive technical excellence through code reviews, best practices, and mentorship of other engineers.
• Ensure reliability, performance, and security across backend systems, with a focus on scalability as WHOOP grows.
• Contribute to long-term technical strategy for Business Systems and identify opportunities for automation and process improvement.

QUALIFICATIONS

• BS in Computer Science, Engineering, or equivalent experience.
• 5+ years of professional backend software engineering experience.
• Strong proficiency in at least one modern backend programming language (e.g., Java, Python, Go, or similar).
• Experience designing and maintaining APIs, integrations, and middleware.
• Solid understanding of relational databases, data modeling, and query optimization.
• Experience with cloud-based infrastructure (e.g., AWS, GCP, or Azure) and distributed systems.
• Proven ability to collaborate cross-functionally and deliver solutions that balance business and technical needs.
• Experience mentoring engineers and contributing to a culture of learning and growth.
• Strong commitment to embracing and leveraging AI tools in day-to-day tasks, ensuring AI-assisted work aligns with the same high-quality standards as personal contributions.

Learn more about our Software Org and how to be successful in yourengineeringcareer 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.

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 $150,000 - $215,000. 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.