Whoop
Whoop1mo ago

Software Engineer II (Backend, AI Platform)

United StatesBostonmid
EngineeringData ScienceBackend EngineeringSoftware Engineer
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Quick Summary

Overview

At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers members (Olympians, Professional Athletes, Fitness Enthusiasts,

Technical Tools
EngineeringData ScienceBackend EngineeringSoftware Engineer
At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers members (Olympians, Professional Athletes, Fitness Enthusiasts, etc) to perform at a higher level through a deeper understanding of their bodies and daily lives. We are looking to add highly motivated and skilled engineers to our team to help us take our proven system to new heights. 
 
The AI Platform team at WHOOP is responsible for building the foundation that enables scalable, responsible, and accessible use of Generative AI across our products. We focus on developing reusable infrastructure, services, and tools that empower product and software teams to experiment with, integrate, and ship GenAI-powered features efficiently and safely. By abstracting the complexities of large language models (LLMs) and enabling deliverability of personalized member insights, our platform accelerates innovation and ensures consistent, high-quality user experiences.
 
As a Software Engineer II on the AI Platform team, you will play a key role in designing and scaling the systems that serve as the backbone of WHOOP’s Generative AI capabilities. You’ll build robust, modular services and developer-friendly tools that simplify working with GenAI models across the organization. This role combines a platform mindset with engineering excellence, helping WHOOP unlock the full potential of Generative AI—across the Core product, coaching, insights, and beyond.
 
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.
  • Help execute WHOOP's vision to build and scale the use of Generative across our Core product
  • Develop backend features and services, leveraging Java, AWS, and PostgreSQL to deliver scalable and reliable software solutions.
  • Collaborate with cross-functional teams—including Product, Design, and Data Science—to gather technical requirements and deliver impactful infrastructure and tools
  • Design abstraction layers that empowers Product and Software teams to leverage Generative AI in the WHOOP product.
  • Consistently deliver high-quality code, adhering to best practices in software design and development.
  • Develop and maintain observability and monitoring systems to ensure the stability and reliability of deployed features.
  • Mentor and support junior engineers, fostering a culture of collaboration and continuous improvement.
  • Experience in backend development, working on large-scale software systems.
  • Experience building applications on top of Large Language Models.
  • Expertise in API design and development (preferably with Java).
  • Experience in relational database design and development (SQL).
  • Experience with scalable system design and performance optimization.
  • Strong independent problem-solving skills and the ability to work effectively in a fast-paced, collaborative environment.
  • Excellent communication skills and a commitment to delivering high-quality work.
  • Listing Details

    Posted
    February 24, 2026
    First seen
    March 25, 2026
    Last seen
    April 12, 2026

    Posting Health

    Days active
    17
    Repost count
    0
    Trust Level
    45%
    Scored at
    April 12, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trustcandidate experience
    Whoop
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    WHOOP is the performance optimization system that helps elite athletes and teams win.

    Employees
    125
    Founded
    2012
    Domain
    whoop.com
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    WhoopSoftware Engineer II (Backend, AI Platform)