Certified Microsoft Professional & Cloud developer
Essential skill (15+ years): Problem solving, software design.
Primary skills (10+ years): Full stack .NET web developer (Azure, AWS, ASP.NET, SQL Server, Angular, React Vue.js).
Advantages:
Full SDLC view. From basic design concepts like LoD, SOLID, DRY, KISS to more specific as design and enterprise patterns, IoC, etc. Deep database engines understanding (SQL, NoSQL, locking/versioning engines), how to design/cluster/partition data, complex queries, profiling, tuning, high-load optimizations. Web applications from basic standards (HTML, CSS, JavaScript) to different tools/frameworks (LESS, AngularJS, Knockout) and approaches (e.g. real-time using SignalR, WebRTC). Application delivery from testing (NUnit, Selenium WebDriver) to continuous delivery (TeamCity, MSBuild, Powershell/PSake).