> Markdown version of [/jobs/ext/2817906-senior-net-developer](https://www.wearedevelopers.com/jobs/ext/2817906-senior-net-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # 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:** September 10, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840614010-senior-net-developer ## 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 * 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. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Web APIs you might not know about](https://www.wearedevelopers.com/videos/281-web-apis-you-might-not-know-about) - [Architectures that we can use with .NET](https://www.wearedevelopers.com/videos/935-architectures-that-we-can-use-with-net) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Building Multi-Tenant ASP.NET Core Applications: Best Practices and Real-World Solutions](https://www.wearedevelopers.com/videos/1552-building-multi-tenant-asp-net-core-applications-best-practices-and-real-world-solutions) ## Related Articles - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)