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WHOOP

Senior Software Engineer, Core & Ecosystem

Boston, MA
USD 150k - 215k
Java Kafka PostgreSQL AWS API RESTful SQS Swift Kotlin
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Description

Senior Software Engineer (Backend, Core & Ecosystem)

Team: Software

Location: Boston, MA

Workplace Type: onsite

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. Our wearable technology monitors vital physiological metrics to offer personalized insights that enhance fitness, health, and recovery.

As a Senior Software Engineer (Backend) focusing on Core & Ecosystem, you will play a critical role in building and scaling the foundational systems that power the WHOOP member experience for sleep, strain, and recovery. Additionally, the work you do will support the WHOOP connected member experience for new and existing partnerships, external developer apps, and supporting platform. This team is responsible for developing the infrastructure and shared services that enable data pipelines, algorithms, and scalability across the product. You will collaborate closely with product management, design, data science, and fellow engineers to architect and deliver reliable, high-impact backend systems that support member-facing features. You will lead technical planning for complex initiatives, mentor other engineers, and raise the bar for engineering excellence across the backend.

RESPONSIBILITIES:

    ● Lead the design and implementation of core backend capabilities (for example new data pipelines, improved scalable and resilient architectures) 

    ● Drive technical planning for initiatives, including scoping and sequencing work, identifying dependencies and risks, and communicating tradeoffs and timelines to stakeholders 

    ● Deliver high-quality, member-facing features, collaborating with cross-functional partners to ensure requirements are met and outcomes are measurable 

    ● Maintain and improve system performance, scalability, and reliability across APIs and infrastructure using Java, Kafka, Postgres, and AWS technologies 

    ● Establish and evolve shared engineering standards through code reviews, documentation, and architectural discussions, influencing patterns used across backend development

    ● Mentor and support other engineers through pairing, feedback, and knowledge sharing, helping grow individual capability and the overall health of the codebase

QUALIFICATIONS:

    ● Significant experience building and operating large-scale backend systems in a production environment 

    ● Deep expertise in API design and development, including RESTful services and relational databases such as Postgres 

    ● Experience working with event-driven or asynchronous systems such as Kafka or SQS 

    ● Proven ability to design systems for scalability, reliability, and performance 

    ● Experience writing well-tested, maintainable code with clear documentation 

    ● Strong collaboration and communication skills, with experience working cross-functionally 

    ● Growth mindset with a desire to learn, iterate, and improve in a complex and evolving environment 

    ● Bonus: Experience working full-stack (for example, Swift or Kotlin), or building shared services used across multiple product areas

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 $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.
WHOOP
WHOOP

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