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# Senior .NET Developer

- **Company:** MRJ Recruitment
- **Location:** Manchester, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, .NET Framework, Multitier Architecture, Agile Methodology, C Sharp (Programming Language), Continuous Integration, Software Design Patterns, Fault Tolerance, Windows Communication Foundation, NoSQL, Performance Tuning, Oop Languages, Service-Oriented Architecture, SQL Databases, Web Services, Software Organization, Performance Testing, Git, Front End Software Development, Software Version Control, Web Api
- **Published:** November 2, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/senior-net-developer/54702286

## About the Role

Solid commercial experience with .NET and C#.
Hands-on experience with Akka.NET for building distributed, scalable, fault-tolerant systems.
Familiar with N-Tier architecture and service-oriented design (SOA).
Strong understanding of OOP principles and design patterns.
Experienced with Web Services, WebAPI, and WCF.
Comfortable with SQL and NoSQL databases.
Skilled in performance tuning and optimisation.
Confident with Git and source control best practices.
Experienced in Agile or Kanban environments.
Excellent collaborator and communicator, with a problem-solving mindset.
Flexible for occasional releases or out-of-hours support when needed.

## Description

At the heart of it all? The tech team. And they're looking for a Senior .NET Developer to join one of their agile delivery squads and help shape the future of their platform.

What You'll Do:

Build and maintain integrations between web front-ends, back-end services, and third-party systems.
Apply software development best practices and design patterns alongside fellow developers and QA engineers.
Deliver new features while writing clean, maintainable, high-quality code.
Take ownership of developments from initial implementation through to production support.
Collaborate with platform engineering teams to maintain a robust CI/CD pipeline.
Ensure all code is testable, covering unit, integration, UI, and performance tests.