Back End Developer

Job Title: Back End Engineer (Sitecore / .NET)

Duration: Contract, start of June - End of 2026

Workload: Full time hours

Setup: Freelance (Daily rate / Limited Company / Umbrella / Sole Trader)

Location: UK (Hybrid / Remote)

Please ensure you read the below overview and requirements for this employment opportunity completely.

We need an experienced Back End Engineer to design, build, and maintain secure, scalable services underpinning a Sitecore-based digital ecosystem.

Key Responsibilities:

• Design and develop back end services using .NET / C# to support Sitecore-driven websites and platforms
• Build and maintain integrations between Sitecore and internal systems such as CRM, identity, and other enterprise platforms
• Develop and consume RESTful APIs to support headless or API-driven architectures
• Ensure high standards of performance, reliability, security, and maintainability across back end services
• Collaborate closely with front end engineers within an agile digital squad to deliver user-focused solutions
• Support configuration, deployment, and ongoing optimisation of back end components
• Contribute to code reviews, technical discussions, and continuous improvement practices

Must-Have Skills:

• 6–7 years’ experience as a Back End Engineer
• Strong commercial experience with .NET / C#
• Hands-on experience xwzovoh with Sitecore CMS and Sitecore integrations
• Experience building and consuming RESTful APIs
• Solid understanding of security, performance, and scalability principles
• Experience working in agile delivery teams

Nice-to-Have:

• Experience with headless Sitecore implementations
• Knowledge of CRM and identity service integrations
• Cloud experience (Azure preferred)
• DevOps or CI/CD exposure