Senior Backend Engineer - Remote Java/Spring Boot

Addition Solutions is seeking an experienced Backend Developer (Java/Spring Boot) for a fully remote contract. The role focuses on building scalable backend services, REST APIs and microservices in a high-volume environment. You will work with Java and Spring Boot, delivering reliable and efficient backend systems.

Prior experience in iGaming, FinTech or similar sectors is advantageous. The contract is Outside IR35, £475 per day, and runs until the end of March, with an ASAP start and fully