Senior Software Engineer (Backend, Core)
Core
Build foundational backend systems and scalable platform capabilities that power the WHOOP App and member-facing features for fitness, sleep, strain, and recovery.
Role type
Senior IC backend software engineer (core platform)
Builds
Scalable, reliable, and observable backend systems and shared platform capabilities
Domain
Health tech / Wearables / Cloud-native distributed systems
Deliverable
production ML models | product features | infrastructure
Required skills
Java, API design, distributed systems, relational databases (Postgres), cloud-native architectures, event-driven architectures (Kafka, SQS), technical leadership, mentoring, system observability
Preferred skills
Building shared platform capabilities, cross-functional collaboration with mobile teams
Technologies
Java, Postgres, Kafka, SQS
Responsibilities
Lead design and implementation of foundational backend capabilities; Drive technical planning for complex initiatives; Establish and evolve backend engineering standards; Mentor engineers and grow team capabilities
Seniority
Senior, hands-on IC with mentorship responsibilities
