About Martin

Martin Costello is a C# .NET developer and tester and Microsoft MVP in Developer Technologies.

He has over 18 years of experience testing and developing high-quality software and is based in London, UK.

His experience includes various parts of the Microsoft technology stack and cloud hosting, including:

• Amazon Web Services
• ASP.NET (Core and Framework)
• Azure DevOps (VSTS/TFS)
• C# (2.0+)
• Git/GitHub
• HTML
• JavaScript/TypeScript
• Microsoft Azure
• SQL Server