Software Engineer II (Backend, AI Platform) at Whoop

Boston, Massachusetts, United States

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Not SpecifiedCompensation

Mid-level (3 to 4 years)Experience Level

Full TimeJob Type

UnknownVisa

Technology, FitnessIndustries

Requirements

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

Responsibilities

Help execute WHOOP's vision to build and scale the use of Generative AI 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 empower 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

Skills

Key technologies and capabilities for this role

JavaAWSPostgreSQLGenerative AILLMBackend DevelopmentScalable ServicesAbstraction Layers

Questions & Answers

Common questions about this position

What is the location requirement for this role?

This role is based in the WHOOP office location.

What technical skills are required for this position?

The role requires expertise in backend development with Java, API design and development, relational database design and development with SQL (PostgreSQL), and experience building applications on top of Large Language Models, along with scalable system design.

What does the Software Engineer II do on a daily basis?

Responsibilities include developing backend features and services using Java, AWS, and PostgreSQL, collaborating with cross-functional teams, designing abstraction layers for Generative AI, delivering high-quality code, maintaining observability systems, and mentoring junior engineers.

What is the company culture like at WHOOP?

WHOOP fosters a culture of collaboration and continuous improvement, with a fast-paced collaborative environment, emphasis on mentoring junior engineers, and a platform mindset focused on engineering excellence.

What makes a strong candidate for this Software Engineer II role?

Strong candidates have experience in backend development on large-scale systems, building LLM applications, Java API expertise, SQL database skills, scalable design experience, plus strong problem-solving, communication, and the ability to thrive in a fast-paced collaborative setting.

Whoop

Wearable fitness tracker with personalized insights

About Whoop

WHOOP offers a fitness membership that focuses on improving personal health and performance through a wearable device called the WHOOP Strap 3.0. This device continuously collects physiological data, including heart rate, sleep patterns, and recovery levels, to provide users with personalized recommendations on their daily activity, sleep needs, and readiness for performance. Unlike many competitors, WHOOP operates on a subscription model, where users pay a fee to access the membership, which includes the device and continuous insights through the WHOOP app. This model not only provides a steady revenue stream but also fosters a strong community among users, encouraging engagement through teams, challenges, and social features. The goal of WHOOP is to help users optimize their health and performance while minimizing injury risk.

Boston, MassachusettsHeadquarters

2012Year Founded

$393.7MTotal Funding

SERIES_FCompany Stage

Data & Analytics, HealthcareIndustries

501-1,000Employees

Benefits

Take Time Off: Time outside of the office is important for sleep, strain and recovery! Our PTO plan encourages members to take time off in order to come back refreshed.

Live a Healthy Lifestyle: Our competitive benefits package includes premium medical, dental, and vision coverage for employees and their dependents. Life and disability insurance are also available.

Feel Invested: In addition to a competitive base salary and 401k, you're eligible to receive stock options to share in the future of WHOOP. Work means more when you have personal stake. You have ownership in what we are building.

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 want you to understand and experience the product firsthand. We offer you a WHOOP strap and membership at no cost.

Be Active: Take advantage of our office gym and on-site showers! WHOOP also offers a $500 yearly wellness perk for fitness classes and memberships.

Be Present: It’s important to be present when bringing home a new family member. 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!

Risks

Increased competition from brands like Oura and Fitbit threatens market share.

Privacy concerns over data collection could lead to regulatory challenges.

Economic downturns may affect consumer willingness to pay subscription fees.

Differentiation

WHOOP offers 24/7 physiological data tracking with its WHOOP Strap 3.0.

The company provides personalized health insights for athletes and fitness enthusiasts.

WHOOP's subscription model includes a community aspect for user engagement.

Upsides

WHOOP's partnership with Cristiano Ronaldo boosts brand visibility and credibility.

Expansion into 56 markets enhances WHOOP's global presence and growth potential.

Collaborations with brands like Assos strengthen WHOOP's position in sports technology.

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