Senior Software Engineer (Backend Core & Ecosystem)

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.

As a Senior Software Engineer (Backend) focusing on Core & Ecosystem you will play a critical role in building and scaling the foundational systems that power the WHOOP member experience for sleep strain and recovery. Additionally the work you do will support the WHOOP connected member experience for new and existing partnerships external developer apps and supporting platform. This team is responsible for developing the infrastructure and shared services that enable data pipelines algorithms and scalability across the product. You will collaborate closely with product management design data science and fellow engineers to architect and deliver reliable high-impact backend systems that support member-facing features. You will lead technical planning for complex initiatives mentor other engineers and raise the bar for engineering excellence across the backend.

RESPONSIBILITIES:

● Lead the design and implementation of core backend capabilities (for example new data pipelines improved scalable and resilient architectures) 

● Drive technical planning for initiatives including scoping and sequencing work identifying dependencies and risks and communicating tradeoffs and timelines to stakeholders 

● Deliver high-quality member-facing features collaborating with cross-functional partners to ensure requirements are met and outcomes are measurable 

● Maintain and improve system performance scalability and reliability across APIs and infrastructure using Java Kafka Postgres and AWS technologies 

● Establish and evolve shared engineering standards through code reviews documentation and architectural discussions influencing patterns used across backend development

● Mentor and support other engineers through pairing feedback and knowledge sharing helping grow individual capability and the overall health of the codebase

QUALIFICATIONS:

● Significant experience building and operating large-scale backend systems in a production environment 

● Deep expertise in API design and development including RESTful services and relational databases such as Postgres 

● Experience working with event-driven or asynchronous systems such as Kafka or SQS 

● Proven ability to design systems for scalability reliability and performance 

● Experience writing well-tested maintainable code with clear documentation 

● Strong collaboration and communication skills with experience working cross-functionally 

● Growth mindset with a desire to learn iterate and improve in a complex and evolving environment 

● Bonus: Experience working full-stack (for example Swift or Kotlin) or building shared services used across multiple product areas

What We Do

At WHOOP we’re on a mission to unlock human performance. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable device and performance optimization platform has been adopted by many of the world's greatest athletes and consumers alike.

Why Work With Us

At WHOOP we’re focused on building an inclusive and equitable team with a strong sense of belonging for everyone—increasing representation in every way as our team grows. We believe that our differences are our source of strength—so much so it’s one of our core values.


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