Senior Java Engineer — IoT, Embedded & Cloud (Remote)

Opus Resourcing Ltd is seeking a Senior Software Engineer in Cambridge with strong Java/Spring Boot and Kafka experience to join an innovative, early-stage SaaS start-up focused on renewable energy. The role offers remote or hybrid options for local candidates.

You will design and build a cloud-native platform connecting software, data and physical energy infrastructure, with emphasis on IoT, embedded devices, and edge computing. Collaboration across teams is essential.