WHOOP Logo

WHOOP

Software Engineer II (Backend, Growth)

Job Posted 10 Days Ago Posted 10 Days Ago
Easy Apply
Hybrid
Boston, MA
Mid level
Easy Apply
Hybrid
Boston, MA
Mid level
The Software Engineer II will develop backend services to improve user acquisition and retention, collaborating with cross-functional teams on high-impact features.
The summary above was generated by AI
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. 

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 our members
  • 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.

QUALIFICATIONS:

  • 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.

Learn more about our Software Org and how to be successful in your engineering career at WHOOP via our Career Framework.

This role is based in the WHOOP office located in Boston, MA. The successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office.

Interested in the role, but don’t meet every qualification? We encourage you to still apply! At WHOOP, we believe there is much more to a candidate than what is written on paper, and we value character as much as experience. As we continue to build a diverse and inclusive environment, we encourage anyone who is interested in this role to apply.

WHOOP is an Equal Opportunity Employer and participates in E-verify to determine employment eligibility.  It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Top Skills

AWS
Java
Kafka
Postgres
HQ

WHOOP Boston, Massachusetts, USA Office

1 Kenmore Sq, Boston, MA, United States, 02215

Similar Jobs at WHOOP

7 Hours Ago
Easy Apply
Hybrid
Boston, MA, USA
Easy Apply
Mid level
Mid level
Fitness • Hardware • Healthtech • Sports • Wearables
Design and optimize Android applications to enhance user acquisition, retention, and monetization, while driving measurable business impact through data-driven decisions.
Top Skills: Ai ToolsAndroidKotlin
Yesterday
Easy Apply
Hybrid
Boston, MA, USA
Easy Apply
Mid level
Mid level
Fitness • Hardware • Healthtech • Sports • Wearables
As a Machine Learning Engineer II, you'll architect ML systems, optimize models, and deploy solutions while collaborating with engineering teams to enhance health metrics.
Top Skills: AirflowAWSDockerGCPGitKubernetesMlflowNumpyPandasPythonPyTorchScikit-LearnScipyTensorFlow
Yesterday
Easy Apply
Hybrid
Boston, MA, USA
Easy Apply
Senior level
Senior level
Fitness • Hardware • Healthtech • Sports • Wearables
As a Staff Battery Engineer, you will ensure battery systems' quality and performance through cross-functional collaboration, quality control, and regulatory compliance.
Top Skills: Lithium Ion Cell DesignPythonRegulatory CertificationsTesting Requirements

What you need to know about the Boston Tech Scene

Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.

Key Facts About Boston Tech

  • Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Thermo Fisher Scientific, Toast, Klaviyo, HubSpot, DraftKings
  • Key Industries: Artificial intelligence, biotechnology, robotics, software, aerospace
  • Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
  • Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories
By clicking Apply you agree to share your profile information with the hiring company.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account