Hays are now looking for a Java Developer on a 12 month contract. The client requires all candidates to already hold SC Clearance and NPPV3.£428 Inside IR35Mainly Remote (once a month in Bridgend or Reading)Candidates must hold current NPPV3 andamp; SC Clearance12 month contractOur client is building a team to support and maintain a critical national policing system used across the UK. This role focuses on Level 3 support, troubleshooting, and ongoing development of Legacy Java-based applications in a highly collaborative environment. Working closely with Support, Platform, and DBA teams, you will play a key role in ensuring system stability, implementing enhancements, and resolving complex technical issues.What You''ll Be DoingProvide Level 3 support for a business-critical national systemTroubleshoot, diagnose, and resolve production issuesMaintain, enhance, and support Legacy Java-based applicationsDevelop, refactor, and implement automated testsDesign, build, and test Java and PL/SQL programs/scriptsWork with Oracle databases, developing and supporting PL/SQLIntegrate with auditing and monitoring/protective servicesContribute to technical discussions and continuous improvementWhat We''re Looking ForAt least 2/3 years'' working experience with Java (Java SE 11+; experience with Java 8 also relevant)Experience working with Legacy/monolithic applicationsStrong knowledge of Spring frameworkExperience with Oracle databases and PL/SQL developmentFamiliarity with WebLogic (or si