Senior Software Engineer

Experian - Credit Services, Identity & Fraud are looking for a Senior Software Engineer to help us build and improve a mature, business-critical product. You'll work across the full stack in a collaborative, agile team, taking features from design through to delivery. Because our software handles sensitive customer data in a regulated environment, writing secure, high-quality code is central to how we work. This is a Hybrid, Nottingham based role (40% in the office) reporting to the Director of Engineer What you'll be doing Build new features and enhancements across an established .NET product, working full-stack from data layer to UI. Write clean, secure, maintainable and well-documented code, following our coding standards and secure-development practices. Handle sensitive data responsibly, with security and data protection front of mind at every stage. Improve performance and reliability through refactoring, database optimisation and sensible architectural changes. Take part in the full delivery cycle — sprint planning, standups, retros — and work with the Product Manager to shape and deliver features. Help triage, maintain and improve core parts of the existing application as our user base grows. Essential Solid commercial experience with C#, .NET Framework and .NET Core development. Experience with SQL and relational databases (SQL Server). Full-stack experience building web pages with ASP.NET Razor. A good understanding of web UI layout, including HTML and CSS. A track record of writing secure code and handling sensitive data appropriately. Sound grasp of object-oriented programming principles and design patterns. Comfortable owning tasks through to completion and collaborating within an agile team. Desirable Experience with Azure or other cloud platforms and cloud-native technologies. Understanding of microservices and event-based architectures. Familiarity with HTMX. CI/CD experience, ideally with Git (GitHub) and GitHub Actions. Experience with Atlassian tooling (Jira, Confluence). Benefits include Hybrid-based role 40% office base Great compensation package and discretionary bonus plan Core benefits include pension, BUPA healthcare and more 25 days annual leave plus bank holidays Recruitment Fraud Awareness - Experian's recruitment process is conducted only through authorised channels. Recruitment communications will only be sent from an @ experian.com email address. Experian will never ask candidates to make any payment as part of an application, interview, assessment, onboarding, or recruitment process. To apply for roles or verify opportunities, please visit experian.com/careers . Our uniqueness is that we celebrate yours. Experian's people first, inclusive and purpose driven culture is multi award-winning; World's Best Workplaces™ 2025 (Fortune Global Top 25), Great Place To Work™ in 26 countries to name a few. Check out Experian Life on social or explore our Careers Site to understand why. Experian is also proud to be an Equal Opportunity and Affirmative Action employer. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity. Experian Careers - Creating a better tomorrow together Find out what its like to work for Experian by clicking here