Whoop
Whoop3mo ago

Software Engineer II (Backend, Growth)

United StatesBostonmid
Backend EngineeringSoftware EngineerSoftware Engineering
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Quick Summary

Overview

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.

Technical Tools
Backend EngineeringSoftware EngineerSoftware Engineering
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.
 
The Growth Team at WHOOP is a fast-paced, experimentation-driven group focused on driving user acquisition, activation, and retention. We take a data-driven approach to everything we do, meaning we frequently measure the performance of our features and make iterations based on those results.
 
As a Software Engineer II on this team, you’ll help deliver features that directly impact business metrics and member growth. You’ll collaborate closely with cross-functional teammates to build, measure, and iterate on high-leverage mobile experiences. 
 
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.
  • Collaborate closely with product managers, designers, and fellow engineers to develop scalable and reliable backend services.
  • Build, maintain, and optimize APIs and infrastructure supporting our acquisition funnels, e-commerce experiences, and membership growth experiments.
  • Write well-tested, maintainable code using technologies such as Java, Kafka, Postgres, and AWS.
  • Break down feature requirements into actionable tasks, prioritize work, and consistently deliver on sprint commitments.
  • Contribute to backend architecture discussions and implementation of scalable, high-availability services that support millions of users.
  • Work with data scientists and analytics engineers to support experimentation and measure performance.
  • Participate in code reviews and collaborate on best practices with your engineering peers.
  • Professional backend engineering experience in a production environment.
  • Proficiency in building APIs and working with relational databases (e.g., RESTful APIs, Postgres).
  • Experience with event-driven systems and asynchronous processing tools such as Kafka or SQS.
  • Skilled in writing comprehensive tests and clear documentation.
  • Demonstrated ability to work cross-functionally and communicate clearly with technical and non-technical stakeholders.
  • A growth mindset and eagerness to learn from feedback and new challenges.
  • Bonus: Experience with A/B testing frameworks or growth-focused engineering initiatives.

    • Listing Details

    Posted
    January 9, 2026
    First seen
    March 25, 2026
    Last seen
    April 24, 2026

    Posting Health

    Days active
    30
    Repost count
    0
    Trust Level
    29%
    Scored at
    April 25, 2026

    Signal breakdown

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    WHOOP is the performance optimization system that helps elite athletes and teams win.

    Employees
    125
    Founded
    2012
    Domain
    whoop.com
    Jobs
    View 165 jobs
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    WhoopSoftware Engineer II (Backend, Growth)
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