Fullstack Javascript Developer Jobs in Massachusetts

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 Software Engineer II to join the Business Systems team. In this role, you will design, build, and maintain internal tools and integrations that power our business operations. You'll work cross-functionally with teams across WHOOP to ensure that our systems are scalable, reliable, and efficient, directly impacting how we serve members and scale the business.
RESPONSIBILITIES:

• Develop, test, and deploy scalable software solutions that support internal operations, including integrations between business applications and services
• Partner with stakeholders across Finance, Operations (Supply Chain, Manufacturing, Quality, Logistics), Membership Services, and other teams to gather requirements and translate them into technical solutions
• Interface with critical business systems: NetSuite, Salesforce, Stripe, Boomi, and more, ensuring reliability, performance, and security
• Contribute to the design and implementation of APIs, data pipelines, and automation to improve business efficiency
• Collaborate with other engineers to share knowledge, establish best practices, and improve engineering processes
• Work collaboratively in a high growth environment with a product minded approach
• Consistently deliver features and code with an iterative approach
• Coach and up-level engineers in your team and neighboring teams through direct and indirect mentorship

QUALIFICATIONS:

• BS in Computer Science, Engineering, or equivalent experience
• 2-4 years of professional software development experience
• Proficiency in at least one modern programming language (e.g., Python, Java, JavaScript/TypeScript)
• Experience in API design, integrations, or middleware in a business systems environment
• Experience in relational database design, data modeling, and query optimization
• Strong problem-solving skills and ability to translate business needs into technical solutions
• Experience developing large scale, production-quality web applications
• Thrives with autonomy, with a positive attitude and ownership mentality
• Excellent communication and collaboration skills, with an eagerness to work cross-functionally
• 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

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.