Senior Software Engineer, Backend (Java)

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Software Engineer, Backend (Java) in United States.

This role is focused on evolving and modernizing a mission-critical backend system used at scale by elite sports organizations worldwide. You will work on a complex legacy-to-modern architecture transformation, improving performance, scalability, and maintainability of core backend services. The position blends hands-on backend development with architectural influence, giving you ownership over key technical decisions that shape the future of the platform. You will collaborate closely with platform, product, and engineering teams to design robust APIs, optimize data layers, and introduce modern cloud-native practices. The environment is highly collaborative and technically ambitious, with strong emphasis on engineering quality, reliability, and continuous improvement. This is an opportunity to work on high-impact systems where your decisions directly affect global users in a fast-moving, performance-driven domain.