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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Umbraco CMS .NET Developer - **Company:** PSP Limited - **Location:** Pinchbeck, UK - **Salary:** £50,000.0 - **Contract:** Temporary contract - **Skills:** ASP.NET, JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Applications Architecture, Application Integration Architecture, HTML5, Microsoft Azure, Business Systems, C Sharp (Programming Language), Cascading Style Sheets (CSS), Cloud Computing, Code Review, Continuous Integration, Relational Databases, Software Debugging, Dependency Injection, DevOps, Web Development, Entity Framework, Microsoft SQL Server, Model View Controller (MVC), Performance Tuning, Standard Sql, Software Engineering, TypeScript, Umbraco, Web Applications, Web Platforms, Web Services, .NET Core, ReactJS, Git, Vue.js, AngularJS, Restful APIs, Software Version Control - **Published:** August 14, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5841744756 ## About the Role * Strong commercial experience with C#, .NET, .NET Core and ASP.NET Core * Strong commercial experience with Umbraco CMS, including developing and supporting commercial Umbraco solutions * Full-stack web application development experience * Experience with MVC and modern web application architecture * Experience with HTML5, CSS/SCSS, and JavaScript and/or TypeScript * Experience designing, developing and consuming REST APIs and web services * Experience with Microsoft SQL Server * Experience with Entity Framework or Entity Framework Core * Experience with Git and source control * Experience integrating APIs and third-party systems * Experience debugging, troubleshooting and performance optimisation * Strong experience with Umbraco CMS development and configuration * Experience with custom components, content models, document types, templates and views * Experience with dependency injection, custom controllers and services, and Umbraco APIs * Experience with packages, extensions, upgrades and migrations in Umbraco solutions * Experience with performance optimisation, security and permissions in Umbraco * Experience integrating external applications and services * Experience with recent versions of Umbraco, particularly Umbraco 10+, 13 or later, is highly advantageous * Experience with Azure and cloud-hosted applications is desirable * Experience with Azure DevOps and CI/CD pipelines is desirable * Experience with JavaScript frameworks such as Angular, React or Vue is desirable * Experience with headless CMS architecture is desirable * Experience with e-commerce platforms and integrations is desirable * Strong analytical and problem-solving skills * Ability to work independently and take ownership of technical challenges * Ability to understand complex business requirements and translate them into technical solutions * Effective communication skills with technical and non-technical colleagues * Proactive approach to identifying risks, issues and opportunities for improvement * Willingness to share knowledge and support the wider development team ## Description * Design, develop and maintain high-quality web applications using C#, .NET and ASP.NET Core * Develop and maintain websites and digital platforms using Umbraco CMS * Build reusable Umbraco components, templates, content models and functionality * Develop both front-end and back-end functionality as part of full-stack solutions * Design, develop and consume RESTful APIs and web services * Integrate Umbraco and .NET applications with third-party platforms, APIs and business systems * Develop responsive, accessible and user-friendly front-end interfaces * Work with relational databases, particularly Microsoft SQL Server * Maintain, enhance and modernise existing applications and legacy solutions * Diagnose and resolve complex application, performance and integration issues * Contribute to application architecture, technical design and development standards * Produce clean, maintainable, secure and well-documented code * Participate in code reviews and promote development best practice * Work closely with Business Analysts, Project Managers, Testers and other Developers throughout the software development lifecycle * Translate business and functional requirements into appropriate technical solutions * Support testing, deployment, release and production support activities * Provide technical guidance and mentoring to less experienced developers where appropriate * Identify opportunities to improve performance, security, maintainability and scalability across our applications Technologies: * ASP.NET * Angular * Azure * C# * CI/CD * Cloud * CMS * CSS * DevOps * Git * HTML5 * Support * JavaScript * LESS * MVC * REST * React * SCSS * SQL * Security * TypeScript * Umbraco * Vue * Web * API ## Related Videos - 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