Senior .NET Developer

As a Senior .NET Developer at Scan, you’ll play a central role in designing, building, and maintaining high-performance backend services and web applications. Working primarily with C#, .NET Core, and ReactJS, you’ll collaborate with other developers and stakeholders to deliver features that support both customer-facing and internal business functions.

You will be based at Scan HQ in Bolton, with the option of a hybrid working arrangement. Fully remote working is not available for this role.

Responsibilities

• Design, develop, and maintain modern applications and APIs using .NET Core and C#
• Deliver scalable, maintainable backend systems that support our e-commerce platform and internal tools
• Collaborate with front‑end developers to build full‑stack features with ReactJS
• Write clean, testable code following SOLID principles and best practices
• Participate in code reviews, technical discussions, and mentoring of junior developers
• Support CI/CD processes and contribute to the improvement of internal workflows
• Continuously evaluate and improve system performance and maintainability
• Work with legacy code where needed and contribute to ongoing modernisation efforts

Qualifications

• 8+ years experience developing software with C# and the .NET ecosystem
• Strong understanding of object‑oriented design and architecture patterns
• Proficient in building RESTful APIs and web services with ASP.NET Core or MVC
• Experienced in working with SQL Server and writing performant T‑SQL queries
• Fluent with Git‑based workflows and version control best practices
• Experienced working in agile environments using tools like Azure DevOps, GitHub or similar
• Excellent problem‑solving, debugging, and communication skills
• Experience with Docker or containerised development
• Familiarity with Azure or cloud‑native development patterns
• Working knowledge of Elasticsearch or other distributed data systems
• Exposure to legacy platforms like VB.NET
• Passionate about writing maintainable code and continuous improvement

Benefits

• Competitive salary, negotiable based on experience
• 28 days holiday, plus up to 5 days the longer you stay with Scan
• Pro‑Fit personal training and nutrition advice
• Wellbeing plan facilitated by Changing Minds UK
• Social events
• Employee discount
• Pension scheme with flexible contributions
• Holiday purchase scheme

#J-18808-Ljbffr…