Backend Software Engineer, WHOOP
AI Tooling
Wearable health and fitness devices
Be an early applicant
Wearable health and fitness devices
501-1000 employees
Be an early applicant
501-1000 employees
Company mission
To unlock human performance by helping people find their inner potential.
Role
Who you are
- This role is ideal for an engineer who is excited about applied AI, thrives in cross-functional environments, and wants to build cutting-edge tools using modern LLM technologies
- Proficient in software engineering with experience in Python (preferred), Java, or Scala
- Experience with front-end frameworks like VueJS, ReactJS, or NextJS is preferred but not required
- Experience, professional or personal, working with or integrating large language models (e.g., OpenAI, Anthropic, Hugging Face Transformers)
- Familiarity with prompt engineering, fine-tuning, or retrieval-augmented generation (RAG) techniques
- Familiar with data storage and processing technologies such as Snowflake, S3, Spark, and relational databases
- Demonstrated ability to turn ambiguous internal problems into scoped engineering solutions
- Effective communicator with a collaborative mindset and experience working across cross-functional teams
What the job involves
- As a Software Engineer II focused on AI Tooling, you will help build innovative, user-centric AI systems that power the next generation of internal tools at WHOOP
- Your work will directly impact teams across the company by delivering intelligent applications like large language model (LLM)-powered assistants for translating natural language to SQL, translation services, and more
- You’ll also contribute to tools that accelerate the machine learning and artificial intelligence development process across WHOOP. You'll work across the stack to prototype, deploy, and scale ML and AI tools that enhance productivity, decision-making, and automation
- Design, develop, and deploy internal AI tools powered by large language models, including natural language to SQL query generation, AI-driven translation and summarization services, and other productivity-enhancing tools
- Develop tools that enable efficient machine learning model training, support the integration of models into the WHOOP production environments, and improve access to data at WHOOP
- Build robust APIs, services, and user interfaces to expose AI tools to internal users
- Integrate AI models into operational workflows, ensuring low latency and high reliability
- Collaborate with Product Managers, Software Engineers, Data Scientists, and end users to define product requirements and iterate on solutions
- Own the full development lifecycle and contribute to the platform infrastructure supporting LLM and ML applications
- Monitor and improve the performance, quality, and cost-efficiency of AI-powered tools
- Stay current with advances in generative AI, LLMs, and agentic systems; evaluate new technologies for adoption
Our take
WHOOP develops wearable health-tracking devices designed to help athletes optimise their performance. Its technology continuously monitors recovery, sleep, and training hours to fine-tune both individual and team performance. Unlike competitors that primarily track exercise data, WHOOP's holistic approach includes metrics like heart rate variability, which can influence more effective and healthier exercise routines.
By focusing on a subscription model that includes the cost of the physical device, WHOOP differentiates itself from competitors that charge a higher one-time fee for their products. This model provides ongoing value and encourages users to stay engaged with their health data.
WHOOP's comprehensive monitoring of strain and recovery has given it a competitive edge, even as other brands like Fitbit have incorporated similar features. Beyond sports performance, WHOOP has conducted extensive research on predicting premature births, aiming to integrate these findings into their app. This commitment to broader health applications demonstrates WHOOP's dedication to advancing wearable health technology.
Steph
Company Specialist at Welcome to the Jungle
Insights
1% employee growth in 12 months
Company
Funding (last 2 of 8 rounds)
Aug 2021
$200m
SERIES F
Oct 2020
$100m
SERIES E
Total funding: $404.8m
Company benefits
- TAKE TIME OFF: Our PTO plan encourages members to take time off in order to come back refreshed.
- LIVE A HEALTHY LIFESTYLE: Our benefits package includes premium medical, dental, and vision coverage for employees and their dependents. Life and disability insurance are also available.
- FEEL INVESTED: 401k and stock options to share in the future of WHOOP.
- EAT WELL: Keep hunger at bay with endless snacks in our fully stocked kitchen. Enjoy catered team lunches on Friday, and even a cold brew keg.
- KNOW THE PRODUCT: We offer you a WHOOP strap and membership at no cost.
- BE ACTIVE: Take advantage of our office gym and on-site showers, as well as a $500yearly wellness perk for fitness classes and memberships.
- BE PRESENT: Take care of your loved ones with 12 weeks paid parental leave, plus an additional 2 weeks to gradually return to work.
- LOVE WHERE YOU WORK: Sitting in the heart of Fenway, our beautiful office overlooks Fenway Park. A prime location for great food, not to mention catching a Sox game, too!
- WORK HARD, PLAY HARDER: If we don't already have a club here that fits your lifestyle and interests, you're encouraged to start one. Share your passions with others at work, or discover new ones!
Company HQ
West Fens, Boston, MA
Leadership
Will Ahmed
(CEO)Studied at Harvard. Worked as a Summer Analyst at Allen & Company and at Lindsay Goldberg. Founded Whoop in their final year.
Salary benchmarks
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