COBOL​/Mainframe Developer

We are seeking an experienced COBOL / Mainframe Developer to join our team and play a pivotal role in supporting and enhancing business-critical legacy systems within the financial services sector. This is a hands-on position focused on stability, performance, and the continuous evolution of core platforms that power essential operations.

You will work with COBOL in IBM z/OS environments, maintaining and optimising high-volume transactional systems — with a particular emphasis on employee benefits and retirement fund solutions. In addition to strong production support and troubleshooting responsibilities, this role offers meaningful involvement in modernisation and integration initiatives, helping to connect proven legacy systems with contemporary technologies including APIs, Java, .NET, and cloud platforms.

Responsibilities:

• Maintain and enhance COBOL-based systems supporting critical business functions
• Analyse business requirements and translate into technical solutions
• Support production incidents, defect resolution, and system improvements
• Participate in impact analysis, testing, and release cycles
• Collaborate with BA’s, architects, and cross-functional teams
• Contribute to modernisation initiatives where applicable.

• 5+ years COBOL development experience (recent, hands-on)
• Strong experience in mainframe environments (IBM z/OS)
• COBOL / ACUCOBOL
• Experience working on Employee benefits, retirements funds, core transactional systems (e.g., banking, insurance, policy admin, payments)
• Ability to analyse, maintain, and enhance existing legacy codebases and have strong troubleshooting and production support experience
• Batch processing and high-volume transaction systems
• Modernisation / integration projects (API, .NET, Java, cloud)
• Experience working in Agile delivery environments
• Prior experience in financial services (banking or insurance)