Salary: £54,000 - 60,000 per year Requirements: Strong hands-on experience with FIS ACBS Proficiency in Java, J2EE, Spring, and related frameworks Experience with SQL, Oracle, or DB2 databases Knowledge of ACBS APIs, batch jobs, and reporting tools Experience with Unix/Linux environments Familiarity with integration technologies (REST, SOAP, MQ) Experience with version control tools (Git, Bitbucket) Responsibilities: Design, develop, and maintain solutions within FIS ACBS Customize and enhance ACBS Loan IQ / ACBS core modules Develop and support Java / J2EE-based ACBS components Build and maintain interfaces between ACBS and upstream/downstream systems Perform batch processing, reporting, and data extraction activities Troubleshoot production issues and provide L3 support Participate in system upgrades, patches, and platform migrations Ensure solutions meet security, performance, and regulatory requirements Contribute to Agile ceremonies and continuous improvement initiatives Produce technical documentation and support knowledge transfer Technologies: BitBucket Git Support Java Linux Oracle REST SOAP SQL Security Spring Unix Java EE More: We are seeking an experienced ACBS Developer to join our team in a hybrid working environment, requiring attendance 2-3 times per week. In this role, you will contribute to the development and maintenance of solutions within FIS ACBS. We offer a competitive day rate of £400 - £500, along with opportunities for continuous improvement and professional growth within our organization. last updated 6 week of 2026