Senior Materials Developer, Accessories & Apparel

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.

We are seeking a Materials Developer to join our growing Apparel and Accessories team. This role will focus on bringing innovative, high-quality materials to life through hands-on development, testing, and collaboration with cross-functional partners. Your role will be to execute material initiatives that advance WHOOP’s range of diverse accessories.
If you’re passionate about material innovation, problem-solving, and making performance products better every day, we want you on our team.

This position will be in-person at the WHOOP office in Boston, MA. Applicants must currently reside in the Greater Boston Area or be open to relocation.

RESPONSIBILITIES::
• Support the execution of WHOOP’s global material development initiatives across apparel and accessories.
• Develop and commercialize new materials that meet performance, aesthetic, cost, and sustainability targets.
• Collaborate with design, product development, engineering, supply chain, and quality to identify the best material solutions for each product.
• Partner with material suppliers to develop samples, manage testing, and ensure production readiness.
• Conduct material research, sourcing, and benchmarking to support the creation of seasonal and long-term material strategies.
• Help troubleshoot and resolve material issues during development and manufacturing.
• Maintain accurate records of material specifications, test results, and approvals in WHOOP’s systems.
• Contribute to building WHOOP’s material library, focusing on innovation, quality, and sustainability.

QUALIFICATIONS::
• 5-8 years of experience in materials development—preferably within accessories, or consumer goods.
• Strong understanding of material properties and material manufacturing.
• Experience working directly with mills and suppliers to develop new materials.
• Detail-oriented and highly organized, with the ability to manage multiple projects in a fast-paced, evolving environment.
• Excellent communication and collaboration skills to work across design, product, and supply chain teams.
• Curious and proactive mindset with a strong drive to learn and solve problems.
• Candidates must have hands-on experience with at least two of the following material categories: nonwovens, leather, metals, or polymers.

Interested in the role but don’t meet every qualification? We encourage you to apply! At WHOOP, we value potential, character, and curiosity as much as experience.

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.

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 $104,000 - $156,000. 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.