Developer / Senior Developer - Mainframe
- Job ID
- Job ID 76730
- Team
- Team Tech
- Location
- Location Leicester
- Job Schedule
- Job Schedule Full time
- Salary
- Salary £42,100 - £55,400
- Posting Date
- Posting Date 27/07/2026

Summary
The Role:
Let’s talk numbers. When it comes to UK retail, it’s hard to find a bigger name. We sell thousands of items an hour and are expanding our e-commerce business by the second. For anyone in Tech, this is the place to learn. To grow. And to thrive.
What You’ll Take On:
The successful applicant will work on the development and support of our gift card systems, whilst helping maintain and support our other mainframe applications. The role involves all aspects of the development lifecycle and requires flexible and innovative individuals with a positive attitude.
Operating across more than 72 countries worldwide, Next and our Total Platform partners process transactions through a diverse range of payment methods, including gift cards, e-vouchers, credit & debit cards, ApplePay, Klarna, and PayPal. In the UK, we also provide various credit options, which are either developed completely in-house or powered by bespoke third-party software seamlessly integrated into our infrastructure. Ensuring our £2 billion platform remains secure, modern, and fit for purpose is the responsibility of our Payments & Credit Technology Team.
You will provide analysis and programming skills in core languages, review and support the gathering of user requirements, and produce sustainable and efficient solutions following Agile methodologies. You will design, code, maintain and support business critical systems which are used 24/7, 365 days a year. You will develop in both a batch and online environment adhering to relevant standards and working closely with our user community to provide both technical and non-technical advice.
You’ll be doing all this from our Leicestershire Head Office. A fast-paced, encouraging and supportive environment in which everyone brings an energy and a commitment to delivering for our customers and their own careers. Bring your energy. Play to your strengths. Make things bigger and better than before. Let’s Take It On.
What You’ll Bring:
You will have proven experience working in a Mainframe environment, with solid commercial experiences in the following:
- COBOL/CICS COBOL
- ADABAS
- NATURAL
- DB2 and SQL
- JCL
Desirable:
- zOS connect
- Websphere MQ
- SOAP/REST APIs
- XML
- JSON
- .NET
- Microsoft Azure DevOps / TFS
- Endevor (Software Change Manager)
#LI-LE1 #LI-Hybrid
Benefits
- 25% off most NEXT, MADE*, Lipsy*, Gap* and Victoria's Secret* products (*when purchased through NEXT)
- Company performance based bonus
- Sharesave scheme
- On-site Nursery available; OFSTED outstanding in all areas
- 10% off most partner brands & up to 15% off Branded Beauty
- Early VIP access to sale stock
- Access to fantastic discounts at our Staff Shops
- Restaurants with great food at amazing prices
- Access a digital GP and other free health and wellbeing services
- Free on-site parking
- Financial Wellbeing - Save, track and enhance your financial wellbeing
- Apprenticeship - Grow and develop on the job whilst gaining a qualification
- Direct to Work - Discount online and instore, collect your items the next day for free from your place of work or local store
- Support Networks - Access to Network Groups to empower and celebrate each other
- Wellhub - Discounted flexible monthly gym memberships, with apps, PT sessions and more
What's Next?
Apply
Inform
Review
Offer
Team Overview
We are a global tech innovator and a software house inside a retailer. Our platforms power online journeys, store systems, and automated warehouses. Be part of a team that owns end-to-end delivery, shipping often, owning outcomes and keeping our customers moving.

Our brands
You’ve probably heard of NEXT, but did you know about our portfolio? Every brand in our offering brings a distinct story, attitude and community. Spanning contemporary lifestyle brands, established high street names and timeless collections, together they showcase the vibrancy of today’s retail world.
About NEXT
You know Next, but did you know we're a FTSE-100 retail company employing over 44,000 people across the Next group. We're the UK's 2nd largest fashion retailer and for Kidswear we're the market leader. At the last count we have over 450 stores, plus the Next Online and it's now possible to buy on-line from over 80 countries around the world! So we've gone global!





