.NET Developer (VB.NET, WebForms, SQL Server, Azure)

About the role

SGS, a global testing, inspection and certification company, is looking for a .NET developer to work on the UK Interactive (UKI) systems, which are live, customer-facing platforms used by business users, suppliers and external customers. The role is hands-on and delivery-focused, covering enhancements, defect fixes, production support, security remediation, performance improvements and gradual modernisation of existing VB.NET WebForms and SQL Server applications.

Key responsibilities

• Develop and maintain UKI web applications (VB.NET / ASP.NET WebForms)
• Deliver enhancements, bug fixes and performance improvements
• Support live production systems and troubleshoot issues end-to-end
• Work with SQL Server (queries, views, stored procedures, data analysis)
• Contribute to modernisation of legacy components (.NET / Azure)
• Improve application performance, security and reliability
• Support integrations, background jobs and data processes (imports/exports)
• Assist with security fixes and remediation on existing systems

Required profile

• Strong experience with .NET technologies, particularly VB.NET / ASP.NET WebForms
• Solid experience with SQL Server
• Experience working on legacy systems and existing codebases
• Comfortable supporting live, customer-facing applications
• Problem-solving skills, attention to detail and ability to deliver safe changes to live systems

Required skills

• JavaScript, HTML, CSS (jQuery is a plus)
• Nice to have: C#, modern .NET, Azure (App Services, SQL, DevOps), Web APIs, system modernization or refactoring experience, exposure to integrations and background jobs

What we offer

• A flexible schedule and a hybrid work model
• Continuous learning through SGS University and Campus
• A multinational environment with colleagues from various continents