Mainframe Programmer

CompanyGazelle Global

LocationEngland, United Kingdom

Posted At1/9/2026

UK Visa Sponsorship Analytics

Analytics are greyed out due to low classification confidence (58.0%).

Occupation Type

Programmers and software development professionals

Occupation Code Skill LevelHigher Skilled

Sponsorship Salary Threshold

£54,700 (£28.05 per hour)

Occupation rate applies

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Description

Job Title: COBOL Developer

Location: London, Glasgow, or Newcastle

Working Model: 2 days onsite

Contract: Contract role

Overview

We are looking for experienced COBOL Developers with strong hands-on expertise in FIS Systematics to support and enhance core banking platforms. This is a delivery-focused role within a regulated financial services environment, working closely with technical and business stakeholders. No nostalgia required, just solid engineering.

Key Responsibilities

• Design, develop, test, and maintain COBOL applications within the FIS Systematics suite such as IMPACS, ALS, and ST

• Deliver scalable solutions aligned to business and technical requirements

• Troubleshoot and resolve production and non production issues efficiently

• Contribute to code reviews and uphold development best practice

• Support integrations, upgrades, and system migrations

• Produce and maintain clear technical documentation

• Provide production support and participate in on call where required

Essential Experience

• Proven COBOL development experience within banking or financial services

• Strong hands-on experience with FIS Systematics core banking modules

• Solid skills in JCL, VSAM, CICS, and DB2

• Experience across batch and online processing

• Good understanding of SDLC and change control

• Clear communicator who works well in delivery driven teams

Desirable

• Experience on large scale core banking migrations or upgrades

• Exposure to Agile delivery environments

• Experience working with distributed or global teams