Software Engineer II (Backend, Growth) jobs in United States
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WHOOP · 17 hours ago

Software Engineer II (Backend, Growth)

positionBoston, MA
timeFull-time
remoteOnsite
seniorityMid Level
money$125K/yr - $170K/yr

WHOOP is on a mission to unlock human performance and healthspan through wearable technology. As a Software Engineer II on the Growth Team, you will develop backend services that enhance user acquisition and retention, collaborating with cross-functional teams to deliver impactful features.

Consumer ElectronicsFitnessSportsWearablesWellness
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H1B Sponsor Likelynote

Responsibilities

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

Qualification

Backend engineering experienceAPI developmentRelational databasesEvent-driven systemsAsynchronous processingWriting testsA/B testing frameworksClear documentationCross-functional collaborationGrowth mindset

Required

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

Preferred

Experience with A/B testing frameworks or growth-focused engineering initiatives

Benefits

Equity
Benefits

Company

WHOOP

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WHOOP is a fitness tech company that offers wearables that track sleep, recovery, and performance.
dateFounded in 2012
location
Boston, Massachusetts, USA
people-size501-1000 employees
web-link
http://www.whoop.com/

H1B Sponsorship

WHOOP has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (32)
2024 (18)
2023 (15)
2022 (5)
2021 (17)
2020 (6)

Funding

Current Stage
Late Stage
Total Funding
$404.75M
Key Investors
SoftBank Vision FundIVPFoundry Group
2021-08-30Series F· $200M
2020-10-28Series E· $100M
2019-11-12Series D· $55M

Leadership Team

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Will Ahmed
Founder & CEO
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Aurelian Nicolae
Co-Founder & Chief Hardware Engineer
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Recent News

WWD
Samuel Ross Rides on Fashion-tech Boom, Joins Whoop as Investor and Global Creative Director
2026-01-16
Business Wire
WHOOP and Samuel Ross MBE Announce Multiyear, Global Creative Partnership, Introducing a New Era in Performance Fashion
2026-01-16
Bizjournals.com Feed (2025-11-12 15:43:17)
Whoop launches Massachusetts AI Coalition to keep tech talent in the Bay State
2026-01-15
Company data provided by crunchbase