Senior Umbraco Developer (Decoupled Architecture Specialist)

A fantastic opportunity has arisen for an experienced Senior Umbraco Developer has arisen to join my clients team in their Spalding, Lincolnshire offices on a hybrid basis.

As a Senior Umbraco Developer, you'll be responsible for developing robust, scalable, and maintainable solutions using Umbraco CMS — with a particular focus on decoupled/headless implementations using APIs and modern front-end frameworks. You will work closely with designers, front-end developers, and project managers to deliver outstanding results for our clients.

Key Responsibilities

• Design and develop decoupled Umbraco applications using APIs and headless approaches

• Develop and maintain custom functionality in Umbraco v8–v13, both front-end and back-end

• Build reusable .NET/C# components, API integrations, and back-office extensions

• Collaborate with front-end teams using frameworks such as React, Vue, or Angular

• Write clean, scalable code following best practices and coding standards

• Troubleshoot complex issues, refactor legacy systems, and improve performance

• Contribute to architectural decisions and technical planning

• Participate in code reviews and mentor junior developers where needed

Essential Skills & Experience

• 4+ years' commercial experience with Umbraco CMS, including custom back-end development

• Strong skills in .NET / C#, ASP.NET MVC, and .NET Core/.NET 6+

• Proven experience delivering decoupled or headless CMS implementations

• Solid understanding of REST APIs, JSON, and asynchronous data handling

• Experience with front-end technologies: HTML5, CSS3, JavaScript (vanilla and/or frameworks)

• Proficiency with Git and CI/CD pipelines

• Understanding of security, performance, and scalability in web environments

• Familiarity with SQL Server and database design

Desirable:

• Experience with Azure hosting, DevOps, or infrastructure as code

• Knowledge of GraphQL and headless CMS best practices

• Familiarity with React, Vue.js or similar for front-end integrations

• Umbraco Certification

• Experience working in an agency or client-facing environment

Benefits:

• Competitive salary based on experience

• Flexible hybrid or remote working

• Ongoing training and professional development

• Exposure to exciting projects and enterprise-grade platforms

• Supportive and collaborative team culture

Should you have any questions or wish to apply please do not hesitate to contact Clear IT Recruitment Limited.

Please Note: Due to the number of applications we receive we may be unable to respond to every application directly. If you have not heard from us within 3 working days please assume your application has been unsuccessful.