Backend Software Engineer

WHOOP; Boston (MA); On-site; USD 95,000 - 120,000; Full time

Benefits offered by this job

Flexible vacation

Parental leave

Stock options

WHOOP membership

Health benefits

Wellness stipend

Sleep performance program

Job summary

WHOOP is seeking a Software Engineer I to contribute to design, development, and maintenance of backend services powering our core product experiences. You will collaborate with engineers, PMs, designers, and data scientists to build scalable, reliable systems that deliver meaningful insights to our members in Boston.

You will contribute to backend services and APIs using Java, Kafka, Postgres, and AWS, while writing clean, tested code, participating in reviews, and supporting production

Qualifications

• Strong problem-solving skills and a growth mindset, with a willingness to seek feedback and continuously improve.
• Interest in distributed systems and event-driven architectures (e.g., Kafka) and cloud platforms such as AWS.
• Familiarity with version control systems such as Git and standard development workflows.
• Professional experience in backend software development (internship, co-op, or academic project experience acceptable).
• Understanding of data structures, algorithms, and system design basics.
• Proficiency in an object-oriented programming language such as Java, or demonstrated ability to quickly learn new backend technologies.
• Experience building or interacting with RESTful APIs and relational databases (e.g., Postgres).

Responsibilities

• Design, develop, and maintain backend services that power WHOOP’s core product experiences.
• Collaborate with product managers, designers, and data scientists to translate requirements into technical solutions.
• Write clean, maintainable, and well-tested code and participate in code reviews.
• Support operation and monitoring of production systems to ensure reliability and performance.
• Break down feature requirements into actionable tasks and iterate quickly to deliver value.
• Contribute to technical documentation and knowledge sharing for team velocity.

Skills

Problem-solving

Growth mindset

Communication

Collaboration

Backend software development

Tools

Java

Kafka

Postgres

AWS

Git

Job description

• As a Software Engineer I, you will contribute to the design, development, and maintenance of the services that power WHOOP’s core product experiences. You will work closely with experienced engineers, product managers, designers, and data scientists to build scalable, reliable systems that deliver meaningful insights to our members
• Contribute to the development and maintenance of backend services and APIs that power WHOOP’s member-facing features using technologies such as Java, Kafka, Postgres, and AWS
• Collaborate with cross-functional partners across Product, Design, Data Science, and Engineering to translate requirements into well-scoped technical solutions
• Write clean, maintainable, and well-tested code while participating in code reviews to continuously improve engineering quality and standards
• Support the operation and monitoring of production systems, helping to troubleshoot issues and ensure reliability, scalability, and performance
• Break down feature requirements into actionable tasks, identify risks early, and iterate quickly to deliver value to members
• Contribute to technical documentation and knowledge sharing to support team velocity and long-term maintainability

Benefits

• Flexible Vacation: WHOOP has a flexible vacation policy that allows you to unwind, laptop-free, when you need it most.
• Focus on Family: We offer 18 weeks paid parental leave, plus an additional 2 weeks to gradually return to work.
• Get Invested: In addition to a competitive base salary and 401k, you’re eligible to receive stock options to share in the future of WHOOP.
• WHOOP +1: Everyone on the team gets a complimentary WHOOP membership—plus another membership to share with a loved one.
• Health Matters: Our competitive benefits package covers medical, dental, and vision, in addition to mental health services, life and disability insurance, and more.
• Find Your Fit: Full-time employees get $500 a year to spend on wellness in whatever way they see fit, from fitness classes and memberships, to recovery services.
• It Pays to Sleep: Our Sleep Performance Program incentivizes employees to get more sleep. Log an average sleep performance of 85% or higher for the month and get a $100 bonus.
• Location, Location, Location: You can’t beat the views from the rooftop of One Kenmore Square. Feel inspired daily as you work, enjoy free snacks and coffee, and collaborate in the heart of Boston.

This is a growth-oriented role ideal for engineers who are excited to learn, ship high-quality code, and make an impact in a fast-paced, mission-driven environmentStrong problem-solving skills and a growth mindset, with a willingness to seek feedback and continuously improveInterest in distributed systems, event-driven architectures (e.g., Kafka or similar technologies), and cloud platforms such as AWSFamiliarity with version control systems such as Git and standard development workflowsEffective communication skills and the ability to collaborate within a cross-functional team environmentProfessional experience in backend software development (internship, co-op, or academic project experience acceptable)Understanding of fundamental computer science concepts including data structures, algorithms, and system design basicsProficiency in an object-oriented programming language such as Java, or demonstrated ability to quickly learn new backend technologiesExperience building or interacting with RESTful APIs and relational databases (e.g., Postgres or similar SQL-based systems)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