Senior .NET C# Developer

Leeds Building Society; Leeds; Hybrid; GBP 45,000 - 65,000; Full time

Job summary

A leading financial institution in Leeds is seeking a Senior .NET Developer for a 12-month fixed term contract. The role involves developing solutions for Mortgage technology delivery and creating an integration layer for a new Core banking ecosystem. Candidates should possess expertise in C#, .NET technologies, and Azure. The position offers hybrid working options, an annual bonus, and various benefits including matched pension contributions.

Benefits

Annual colleague bonus of up to 12%

Hybrid working

Matched pension contributions up to 10%

26 days holiday plus bank holidays

Colleague Mortgage and Saver products

Electric vehicle scheme

2 days' volunteering per year

Qualifications

• Experienced Senior .NET Developer with knowledge in backend development.
• Understanding of cloud-based solutions, specifically Azure.
• Experience with CI/CD concepts and tools.

Responsibilities

• Develop an integration layer to our new Core banking ecosystem.
• Help develop an orchestration layer between platforms.
• Involve in systems design, technical specifications, and automated unit testing.

Skills

C#

.NET framework

.NET Core

Azure

APIs

SQL Server

Continuous Integration

Continuous Delivery tools

Git

Agile environment

Azure DevOps

Job description

How you'll help us live our purpose

12 Month Fixed Term Contract

We've been helping our members save for their future and buy a home of their own since 1875. By joining us, you'll play a big role in helping us to put home ownership within reach of more people, generation after generation.

It's a purpose that drives everything we do and one we're proud of. And you can play your part too as a Senior .Net Developer, by helping to develop an integration layer to our new Core banking ecosystem, which is part of the largest transformation programme in our 150 year history.

How you'll make a difference

This is a great opportunity for a Senior .NET Developer to work on a 12 month fixed term contract basis to utilise their knowledge further in developing solutions for our Mortgage technology delivery stream. Working with our third-party platform provider you will help develop an orchestration layer between their platform and our new Saas based Core banking platform.

Working across the tech stack you will be developing new back-end server-side components on various layers of the solution architecture whilst also getting involved with systems design, technical specifications and automated unit testing.

What you'll bring to the role:

• Experienced Senior .NET Developer.
• You are highly experienced in C#, .NET framework, .NET Core, Azure, API's and SQL Server.
• Knowledge and understanding of Continuous Integration and Continuous Delivery tools such as Git, TeamCity and Octopus.
• Experience in working in an Azure DevOps/Agile environment.
• Experience in delivering secure Cloud based solutions in Azure.

And in return, you'll get the best from us:

• An annual colleague bonus of up to 12%
• Hybrid working with 60% of your time at home
• Matched pension contributions of up to 10%
• 26 days holiday, plus bank holidays and holiday purchase scheme of up to 5 days each year
• Colleague Mortgage and Saver products
• Electric vehicle scheme
• 2 days' volunteering per year

We'll give you a place to belong with the support to learn, develop and shape a meaningful career.

Why choose Leeds Building Society?

Our business is centred around our people. Our colleagues are at the heart of everything we do and we're extremely proud of our Inclusive Employers Gold accreditation in 2023. We're committed to equal opportunities regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability or gender identity.

You'll be joining a truly purpose-focused culture which helped us win the Leading with Purpose award at the 2023 Business Culture Awards. This recognises the progress we're making to embed our purpose with our colleagues, and the actions we've taken to put home ownership within reach of more people, generation after generation.

Closing Date: 5th September 2025

Why wait? Apply now

We'd love to hear from you. But don't wait around - we may close the advert early and we'd hate for you to miss out.

Leeds Building Society is devoted to creating a culture and workplace that is representative of the communities we serve. If you'd like to work with us but are unsure if you meet the full criteria for a role, please contact the recruiter as we'd like to find out more about the skills and experience that you could bring to the Society. We're committed to supporting you to be at your best and if you'd like to discuss any reasonable adjustments, please reach out to us on [e-mail].

#Li-hybrid