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# Developer / Senior Developer - Mainframe

- **Company:** Hackajob Ltd
- **Location:** Leicester, UK
- **Experience:** Expert
- **Salary:** £55,000.0
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Adaptable Database Systems, Agile Methodology, Microsoft Azure, Customer Information Control System (CICS), Cloud Computing, COBOL (Programming Language), Computer Programming, IBM DB2, DevOps, Endevor, Job Control Language (JCL), IBM WebSphere MQ, IBM Websphere Application Server, JSON, Mainframes, Microsoft Office, Team Foundation Server, Standard Sql, Simple Object Access Protocol (SOAP), SQL Databases, Extensible Markup Language (XML), Z/OS, Restful APIs
- **Published:** September 27, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5899595298

## About the Role

* Proven experience working in a mainframe environment
 * Solid commercial experience with COBOL/CICS, ADABAS, NATURAL, DB2 and SQL, and JCL
 * Desirable: experience with z/OS Connect, WebSphere MQ, SOAP/REST APIs, XML, JSON, .NET, Microsoft Azure DevOps/TFS, and Endevor (Software Change Manager)

## Description

* Develop and support our gift card systems, and help maintain and support our other mainframe applications
 * Contribute across all aspects of the development lifecycle
 * Provide analysis and programming skills in core languages
 * Review and support the gathering of user requirements
 * Produce sustainable and efficient solutions using Agile methodologies
 * Design, code, maintain, and support business-critical systems used 24/7, 365 days a year
 * Develop in batch and online environments, following relevant standards
 * Work closely with our user community and provide technical and non-technical advice

Technologies:

 * Azure
 * CICS
 * COBOL
 * DevOps
 * Support
 * JCL
 * JSON
 * REST
 * SOAP
 * SQL
 * Websphere
 * XML
 * Office 365
 * ASP.NET
 * Cloud

More:

We are a major UK retailer expanding our e-commerce business. Next and our Total Platform partners operate in more than 72 countries and process payments through gift cards, e-vouchers, credit and debit cards, Apple Pay, Klarna, and PayPal. In the UK, we also offer credit options developed in-house or delivered through third-party software integrated with our infrastructure. Our Payments & Credit Technology Team is responsible for keeping our £2 billion platform secure, modern, and fit for purpose. The role is based at our Leicestershire Head Office, in a fast-paced, encouraging, and supportive environment where we bring energy and commitment to serving our customers and developing our careers.


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