Senior Backend Developer

Job Title

This is a remote position. A UK-based company is hiring a skilled Backend. NET Developer to join our team and play a key role in delivering a high-impact project.

The ideal candidate will have a strong background in Microsoft technologies, excellent problem-solving skills, and experience integrating complex back-end functionality with front-end systems. You will work closely with the Head of Development and collaborate with a front-end developer to bring this project to life. A functional specification and project requirements will be provided, but you will be responsible for designing and implementing technical solutions that meet business needs.

Responsibilities:

• Integrate front-end components into Umbraco CMS
• Build and customize back-office editors for modules
• Enhance back-office UX to ensure ease of use for content editors
• Create templates, configuration options, and theming capabilities for components
• Develop and integrate RESTful APIs and handle third-party integrations (e.g., CRMs, payment gateways, marketing tools)
• Implement job search functionality within the system
• Ensure high-quality code through unit testing and browser testing
• Optimize performance, scalability, and security
• Collaborate in an Agile/Scrum environment to deliver features iteratively

Requirements:

• Umbraco CMS (v8/9/10+): custom development, templates, back-office extensions; familiarity with Umbraco APIs, content models, and package integration
• Microsoft.NET & C#: ASP.NET Core /.NET Framework, C#, Razor, Visual Studio; strong LINQ skills
• Database: Microsoft SQL Server, T-SQL, stored procedures, query optimization
• APIs & Security: building/consuming RESTful APIs; OAuth/JWT/IdentityServer for auth
• Source Control & Delivery: Git (Beanstalk/SmartGit or equivalent), CI/CD (Azure DevOps, GitHub Actions), IIS config & URL rewrite
• Engineering Foundations: MVC architecture; design patterns (DI, Repository, SOLID); performance optimization, caching, and security best practices
• Collaboration & Delivery: clear communication, strong debugging/problem-solving, ability to translate business requirements into robust technical solutions; Agile/Scrum experience
• Preferred: Deploying Umbraco on Azure (App Services, SQL, Blob Storage)
• Preferred: Front-end familiarity (JavaScript/React/Vue) for smoother collaboration
• Preferred: Experience with headless CMS (Umbraco Heartcore)
• Preferred: SEO and accessibility best practices

Benefits:

• Professional growth opportunities with access to training and certifications
• Collaborative and innovative team culture with direct impact on projects
• Work with a forward-thinking UK-based company in the employer marketing space