--- title: 'Software Engineer I (Backend) at Whoop' canonical: 'https://feeny.ai/job/software-engineer-i-backend-whoop-boston-75k1j063vqkh' type: 'job' last_seen: '2026-10-14' --- # Software Engineer I (Backend) at Whoop - **Company:** [Whoop](https://feeny.ai/companies/whoop) - **Location:** Boston, MA - **Compensation:** $105k–$145k - **Employment:** full-time - **Work type:** onsite - **Posted:** 2026-07-01 - **Last confirmed live:** 2026-10-14 - **Apply:** https://jobs.ashbyhq.com/whoop/0623a9e9-d7bb-4ee5-8100-51c68df81133/application **Skills:** Java, Kafka, Postgres, AWS, RESTful APIs, SQL, Git, Object-oriented programming > Join WHOOP as an Entry Level Backend Software Engineer in Boston to design, develop, and maintain scalable backend services and APIs using Java, Kafka, and AWS. You will collaborate with cross-functional teams to build reliable systems that power member-facing features and improve human performance insights. ## Job description At WHOOP, we're on a mission to unlock and inspire performance for life. 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 provide personalized insights that improve fitness, health, and recovery. 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. 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 environment. ## RESPONSIBILITIES: - 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. ## QUALIFICATIONS: - Professional experience in backend software development (internship, co-op, or academic project experience acceptable). - Experience building or interacting with RESTful APIs and relational databases (e.g., Postgres or similar SQL-based systems). - Proficiency in an object-oriented programming language such as Java, or demonstrated ability to quickly learn new backend technologies. - Familiarity with version control systems such as Git and standard development workflows. - Understanding of fundamental computer science concepts including data structures, algorithms, and system design basics. - Interest in distributed systems, event-driven architectures (e.g., Kafka or similar technologies), and cloud platforms such as AWS. - Strong problem-solving skills and a growth mindset, with a willingness to seek feedback and continuously improve. - Effective communication skills and the ability to collaborate within a cross-functional team environment. Learn more about our Software Org and how to be successful in your engineering career at WHOOP via our [Career Framework](https://engineering.prod.whoop.com/careerframework). This posting is for an immediate new hire to our team. For those graduating in the Winter of 2026 or Spring 2027 seeking entry level roles, we kindly ask that you check out this [New Grad Opportunities](https://jobs.ashbyhq.com/whoop/8aadc0e4-42a3-4ac2-b4a3-b584bb154ed3)job posting instead to be considered for roles opening at that time. Thank you! 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](https://www.e-verify.gov/) 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. The WHOOP compensation philosophy is designed to attract, motivate, and retain exceptional talent by offering competitive base salaries, meaningful equity, and consistent pay practices that reflect our mission and core values.At WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company’s long-term growth and success.The U.S. base salary range for this full-time position is $105,000 - 145,000. Salary ranges are determined by role, level, and location. Within each range, individual pay is based on factors such as job-related skills, experience, performance, and relevant education or training. In addition to the base salary, the successful candidate will also receive benefits and a generous equity package.These ranges may be modified in the future to reflect evolving market conditions and organizational needs. While most offers will typically fall toward the starting point of the range, total compensation will depend on the candidate’s specific qualifications, expertise, and alignment with the role’s requirements. ## About Whoop ## Company Overview - **One-liner**: WHOOP is a human performance optimization platform that uses a wearable device and 24/7 monitoring to help members improve sleep, strain, recovery, and overall health. - **Entity Type**: Private (funding stage not publicly available in provided sources) - **Headquarters**: Boston, Massachusetts, USA - **Founded**: 2012 - **Founders**: Will Ahmed ## Core Business - **Primary industry**: Wearable health technology, human performance optimization - **Target customers**: B2C (consumers, athletes) and B2B (professional sports teams, organizations) - **Mission**: “To unlock human performance and Healthspan.” [whoop.com - About](https://www.whoop.com/us/en/about/) ## Products & Services - **WHOOP 5.0 + Subscription**: A non-screen wrist-worn wearable with 14+ day battery life that continuously monitors sleep, strain, recovery, heart rate, heart rate variability, and 65+ biomarkers. The platform provides personalized coaching, blood pressure insights, women’s hormonal insights, VO₂ max, heart rate zones, and mental health tracking. Type: Hardware + SaaS subscription. [whoop.com - Homepage](https://www.whoop.com/us/en/) ## Market Standing - **Valuation/Market Cap**: Not publicly available from provided sources - **Key Metric**: Not publicly available (annual revenue not disclosed); estimated headcount of 500 employees [Built In Boston](https://www.builtinboston.com/company/whoop) - **Notable Investors/Partners**: Not disclosed in provided sources - **Growth Signals**: 500 total employees; hybrid workspace (4 days on-site per week); actively hiring across Engineering, AI/ML, Data & Analytics, Product, and Design; only 0.13% of applicants are hired, indicating high selectivity and strong talent demand. [whoop.com - Careers](https://www.whoop.com/us/en/careers/) | [Built In Boston](https://www.builtinboston.com/company/whoop) ## Competitive Advantages - Proprietary 24/7 physiological monitoring with advanced sensor technology and an ultra-long battery life (14+ days) - Deep scientific foundation – founded after reviewing over 500 medical papers - Personalized coaching and insight delivery based on individual biometric data - Strong brand recognition among elite athletes and mainstream consumers - Privacy-first design with encrypted data storage [whoop.com - Homepage](https://www.whoop.com/us/en/) ## Strategic Focus - Expanding health insights: introducing blood pressure monitoring, women’s hormonal health features, and heart health tracking - Enhancing AI/ML capabilities (evident from many open AI/ML roles) [jobs.lever.co](https://jobs.lever.co/whoop) - Deepening enterprise/B2B partnerships with sports organizations and research institutions - Continuing to build out Healthspan and longevity features ## Why Work Here - **Hybrid workspace** – employees are on-site 4 days a week in Boston’s “best office” [whoop.com - Careers](https://www.whoop.com/us/en/careers/) - **Benefits** – flexible time off, above-market compensation, paid parental leave, health support [whoop.com - Careers](https://www.whoop.com/us/en/careers/) - **Employee Resource Groups** – ADAPT (disability inclusion), BLACK@WHOOP, LGBTQ+ (WHOOP GOOP), Veterans and Military Personnel, Women of WHOOP, Women in Science and Engineering, WHOOP Parents [whoop.com - Careers](https://www.whoop.com/us/en/careers/) - **High selectivity** – only 0.13% of applicants are hired, reflecting a rigorous, standards-driven culture [whoop.com - Careers](https://www.whoop.com/us/en/careers/) - **Equal Opportunity Employer** – committed to diversity and inclusion in all employment decisions [whoop.com - Careers](https://www.whoop.com/us/en/careers/) ## Sources 1. [whoop.com - Careers](https://www.whoop.com/us/en/careers/) 2. [whoop.com - About](https://www.whoop.com/us/en/about/) 3. [whoop.com - Homepage](https://www.whoop.com/us/en/) 4. [Built In Boston - WHOOP Office Profile](https://www.builtinboston.com/company/whoop) 5. [jobs.lever.co - WHOOP Job Listings](https://jobs.lever.co/whoop) ## Other roles at Whoop - [Senior Mechanical Engineer (Manufacturing Test)](https://feeny.ai/job/senior-mechanical-engineer-manufacturing-test-whoop-boston-00fvs05019e3) — Boston, MA - [Senior Electomechanical Engineer](https://feeny.ai/job/senior-electomechanical-engineer-whoop-boston-kk7sda8rg65h) — Boston, MA - [Senior iOS Engineer (Connectivity)](https://feeny.ai/job/senior-ios-engineer-connectivity-whoop-boston-xv6110px9417) — Boston, MA - [Technical Program Manager (NPI)](https://feeny.ai/job/technical-program-manager-npi-whoop-boston-gtpd48vrt4gh) — Boston, MA - [NPI Quality Engineer (Hardware)](https://feeny.ai/job/npi-quality-engineer-hardware-whoop-boston-gnhgdj2kmb6y) — Boston, MA - [Senior Global Environmental Compliance Specialist](https://feeny.ai/job/senior-global-environmental-compliance-specialist-whoop-boston-jxgehgnwp2et) — Boston, MA - [Senior Research Manager, Weekend Team](https://feeny.ai/job/senior-research-manager-weekend-team-whoop-boston-dta87dbrjzvm) — Boston, MA - [Researcher II, Weekend Team](https://feeny.ai/job/researcher-ii-weekend-team-whoop-boston-tf6peyvf9zz0) — Boston, MA - [Staff Applied Machine Learning Scientist (Health)](https://feeny.ai/job/staff-applied-machine-learning-scientist-health-whoop-boston-n0rjrq2rdh1a) — Boston, MA - [Technical - Standard Software (Virtual Final)](https://feeny.ai/job/technical-standard-software-virtual-final-whoop-boston-05yxa2wd6y1n) — Boston, MA