Senior .NET Full-Stack Engineer (Hybrid, Security‑Driven)

Experian; Nottingham; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Hybrid-based role

Discretionary bonus plan

Pension

BUPA healthcare

25 days annual leave

Job summary

Experian in Nottingham is seeking a Senior Software Engineer to help build and improve a mature product in a secure, regulated environment. You will work across the full stack in a collaborative, agile team, delivering features from design through to production.

The role combines hands-on coding with design input, requires strong C#/.NET experience, and offers a hybrid work pattern with 40% in the office and scope to impact critical systems handling sensitive data.

Qualifications

• 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.
• 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).

Responsibilities

• Build new features and enhancements across an established .NET product, working full-stack from data layer to UI.
• Write clear, 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.

Skills

C#

.NET Framework

.NET Core

SQL

SQL Server

ASP.NET Razor

HTML/CSS

OO design patterns

Secure coding

Agile teamwork

Cloud platforms (Azure)

Microservices concepts

Git

GitHub Actions

Jira

Confluence

HTMX

Tools

Azure

Git

GitHub Actions

Jira

Confluence

HTMX

Job description

Experian in Nottingham is seeking a Senior Software Engineer to help build and improve a mature product in a secure, regulated environment. You will work across the full stack in a collaborative, agile team, delivering features from design through to production.

The role combines hands-on coding with design input, requires strong C#/.NET experience, and offers a hybrid work pattern with 40% in the office and scope to impact critical systems handling sensitive data.