Software Engineer II ( Platform)

About Whoop

At WHOOP, we’re on a mission to unlock human performance. WHOOP empowers members (Olympians, Professional Athletes, Fitness Enthusiasts, etc) to perform at a higher level through a deeper understanding of their bodies and daily lives.

Job Summary

We are looking to add highly motivated and skilled engineers to our team to help us take our proven system to new heights. The AI Platform team at WHOOP is responsible for building the foundation that enables scalable, responsible, and accessible use of Generative AI across our products.

Key Responsibilities

• Help execute WHOOP’s vision to build and scale the use of Generative across our Core product
• Develop backend features and services, leveraging Java, AWS, and PostgreSQL to deliver scalable and reliable software solutions.
• Collaborate with cross-functional teams—including Product, Design, and Data Science—to gather technical requirements and deliver impactful infrastructure and tools
• Design abstraction layers that empower Product and Software teams to leverage Generative AI in the WHOOP product.
• Consistently deliver high-quality code, adhering to best practices in software design and development.
• Develop and maintain observability and monitoring systems to ensure the stability and reliability of deployed features.
• Mentor and support junior engineers, fostering a culture of collaboration and continuous improvement.

Requirements

• Experience in backend development, working on large-scale software systems.
• Experience building applications on top of Large Language Models.
• Expertise in API design and development (preferably with Java).
• Experience in relational database design and development (SQL).
• Experience with scalable system design and performance optimization.
• Strong independent problem-solving skills and the ability to work effectively in a fast-paced, collaborative environment.
• Excellent communication skills and a commitment to delivering high-quality work.