Senior Developer - C# | .NET | JavaScript

Job ID
Job ID 75406
Team
Team Tech
Location
Location Leicester
Contract Type
Contract Type Perm
Job Schedule
Job Schedule Full time
Salary
Salary £51,400 - £59,400
Posting Date
Posting Date 30/04/2026
Apply Before
Apply Before 14/05/2026
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Summary

The Role:


As a Senior Developer you will be working in an agile team headed up by a Lead Developer and a Project Development Manager, working alongside other developers and Product Owners to deliver quality solutions across a variety of technologies in CCX Tech to a busy Customer Contact Centre.


As a passionate developer, you’ll be involved in the mentoring and support of other developers within the team. You’ll also ensure that all development and code follows best practice, high levels of security, and meet the relevant industry standards.


You’ll be required to understand and interpret technical specifications and turn them into working code, using a mix of technologies.


The successful candidate will be highly skilled in a broad range of development techniques with a proven track record of enterprise application design in an AI-driven development environment. This role demands strong senior leadership skills alongside exceptional technical mastery, where excellent collaboration and clear communication is key.


What You’ll Take On:

  • Technical Excellence: With exceptional coding and analytical skills, you’ll have strong commercial experience in .NET framework, C# and developing with SQL Server. You’ll also have exceptional design skills for back-end systems architecture and front-end knowledge of MVC and JavaScript.
  • Organisation: Highly organised, you’ll be able to effectively align and coordinate project aims and deliverables, while providing detailed estimates for large and complex technical solutions.
  • Project Ownership: You’ll also be motivated by the ability to take ownership of projects and quickly identify and resolve any issues. Experienced in working with the Agile and Scrum framework.
  • Collaboration: A team player who thrives in a fast-paced, busy technical environment and working to challenging deadlines. You’ll also be able to build and maintain productive relationships within your team and across the business.
  • Innovation: Passionate about best design and coding practices, and a desire to champion and develop innovative new ideas.
  • Possess well-balanced analytical skills, able to confidently present and articulate technical information in a structured and logical manner to a less technical audience.

What You’ll Bring:


Essential Criteria

  • C#, .NET Framework, SQL Server, JavaScript
  • TFS, GIT, CI/CD, Source Code Control
  • Debugging tools such as Fiddler, Postman
  • Experience in building Microservices
  • Experience with Microsoft Azure
  • Energy and drive; willing to work long hours when required
  • Staying power; able to maintain personal motivation over the long haul
  • Team player
  • Able to demonstrate commercial experience designing enterprise IT solutions.
  • Excellent communicator to both technical and non-technical audiences
  • Proven ability to interpret technical documentation, architectures and functional specifications
  • Knowledge of interoperability technology (e.g. web services, message-oriented middleware, service-oriented bus).


Desirable Criteria

  • Excellent knowledge of usability, coding, accessibility and web standards.
  • Content Management tools: Help Site Content, Zendesk Guide.
  • JavaScript frameworks such as Angular, Vue.
  • Knowledge of the Meta platform (e.g., Facebook, WhatsApp, Instagram business tools/APIs) would be advantageous.
  • Typescript, React

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

Conditions apply to all benefits. These benefits are discretionary and subject to change.

We aim to support all candidates during the application process and are happy to provide workplace adjustments when necessary. Should you need support with your application due to a disability or long-term condition, feel free to get in touch with us by email headoffice_careers@next.co.uk (please include 'Workplace Adjustments' in the subject line), or call us on 0116 284 2486 and leave a voicemail.

What's Next?

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.

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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 35,000 people across the UK and Ireland. We’re the UK’s 2nd largest fashion retailer and for Kidswear we’re the market leader. At the last count we have over 500 stores, plus the Next Online and it’s now possible to buy on-line from over 70 countries around the world! So we’ve gone global!
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Are you ready to take it on?

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