Java Back end Developer

We’re seeking a seasoned Java Backend Developer to join a core engineering team working on consolidation of microservices , legacy system upgrades , and application modernization . This role demands strong backend fundamentals, an eye for clean architecture, and the ability to collaborate with teams across geographies. Must-Have Experience 3-6 years professional experience in Java development Proficient with Java 11 Deep expertise in Spring / Spring Boot Strong understanding of microservices architecture Familiarity with messaging platforms like Kafka , RabbitMQ , or equivalent Hands-on with NoSQL databases such as MongoDB Solid grasp of the SDLC and release pipeline (versioning, CI/CD, Agile delivery) Proven skills in debugging and interpreting application logs Strong communication skills , with the ability to collaborate across distributed global teams Comfortable with legacy systems : refactoring, maintaining, and upgrading Project Involvement Includes Consolidating multiple legacy microservices into domain-aligned unified services Migrating legacy Java applications to modern Spring Boot infrastructure Diagnosing production issues using logs, stack traces, and performance metrics Participating in application upgrades , dependency migration, and technical cleanup Working closely with cross-functional teams across multiple time zones and regions Nice to Have Familiarity with GitLab , GitHub, Bitbucket or similar Exposure to automated testing tools : JUnit, Mockito, Gherkin, etc. Understanding of feature flag rollouts , blue/green deployments, rollback strategies Experience working in globally distributed Agile teams Ideal Candidate You’re not just a coder — you’re a problem solver who can read a legacy stack, reason through refactors, and deliver clean, tested services that scale. If you enjoy debugging complex systems, streamlining monoliths into modular services , and working with engineers across time zones — we want to talk to you. If you are interested please send me your updated CV on tejaswini.athreya@datainc.uk with below details to tejaswini.athreya@datainc.uk -Right to work/Citizenship in UK -Current salary: -Expected Salary: -Notice Period: -Are you fine with 5 days onsite in Birmingham,UK: -Current Location: Regards Tejaswini Data INC