WHOOP · 1 week ago
Software Engineer II (Backend, Platform)
Boston, MA
Full-time
Onsite
Entry, Mid Level
$125K/yr - $170K/yr
2+ years expWHOOP is a company focused on unlocking human performance and healthspan. They are seeking a Software Engineer II to build and enhance backend systems that support their platform, ensuring scalability and security for millions of members worldwide.
Consumer ElectronicsFitnessSportsWearablesWellness
Responsibilities
Design, develop, and maintain robust, scalable backend systems that power WHOOP’s core infrastructure and member experience
Collaborate with product managers, data engineers, frontend developers, and other cross-functional partners to deliver features that enhance member engagement
Build and maintain APIs to enable seamless integration with frontend applications and third-party services
Ensure system reliability, scalability, and performance through effective testing, monitoring, and optimization
Implement secure coding practices and contribute to designing systems that safeguard member data
Stay current with backend technologies and contribute to improving team engineering standards and best practices
Qualification
Required
2-4 years of backend software development experience, ideally in languages like Java, Python, or C#
Experience designing and building RESTful APIs and microservices
Exposure to event-driven architecture (messaging/streaming tech such as Kafka, RabbitMQ)
Familiarity with database design and management (e.g., PostgreSQL, MySQL, or NoSQL databases)
Understanding of cloud infrastructure (AWS, GCP, or Azure)
Strong problem-solving skills and ability to work in a fast-paced environment
Good communication skills and ability to collaborate across teams
Preferred
Familiarity with cybersecurity principles (data privacy, authentication, and authorization) is a plus but not required
Experience working with infrastructure as code and developer enablement platforms
Familiarity with containers and orchestration (e.g., Docker, Kubernetes)
Background in cloud security or incident response
Exposure to building translation or localization platforms to support multi-language content delivery
Hands-on experience with observability tools (logging, monitoring, alerting) in production environments
Benefits
Meaningful equity
Benefits
A generous equity package
Company
WHOOP
WHOOP is a fitness tech company that offers wearables that track sleep, recovery, and performance.
501-1000 employees
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 StageTotal Funding
$404.75MKey Investors
SoftBank Vision FundIVPFoundry Group
2021-08-30Series F· $200M
2020-10-28Series E· $100M
2019-11-12Series D· $55M
Leadership Team
Will Ahmed
Founder & CEO
Aurelian Nicolae
Co-Founder & Chief Hardware Engineer
Recent News
2026-01-07
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2026-01-06
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2025-12-24
Company data provided by crunchbase