Title: Java API Developer Start Date: ASAP Location: Knutsford (Hybrid/On-site as required) Remote work possibility: No Salary: Up to £430 per day (inside IR35) Contract: Until end of Sept 2026 Clearance Requirement: Candidate must be eligible for BPSS Key Responsibilities: Develop and maintain APIs and microservices using Core Java, Java 8, and Spring Boot Build scalable and efficient solutions with RESTful APIs and Kafka Collaborate with BAs and QA teams in an Agile/Scrum environment Participate in sprint planning, retrospectives, and daily stand-ups Write unit and integration tests (JUnit, Cucumber); follow TDD practices Perform code reviews, database tuning, and performance optimization Contribute to the migration of legacy systems to modern platforms Support release management and provide production support for critical issues Maintain up-to-date technical documentation and project artefacts Key Skills & Experience: Strong Core Java & API development background Hands-on experience with Spring Boot, Kafka, REST APIs Familiarity with GitHub/GitLab, CI/CD pipelines, and Jenkins Experience writing SQL, stored procedures, and performance tuning Exposure to AI/ML concepts is a plus ReactJS experience is preferred but not required Strong problem-solving skills and a proactive attitude