• Database: MS SQL Server , My SQL, SQLite…
• Programming Languages: Java, Android, JSP/Servlet, C#, C, C++, PHP, HTML, JavaScript, ASP.NET, PASCAL…
• Programming Tools: Android Studio, Visual Studio, Netbean, Eclipse, DEV CPP, notepad++ …
• App server / Middleware: Apache Tomcat 6, 7…
• Framework: .NET 3.5 4.0, JDK 6u23 or more, Android SDK 4.1.…
• Library/SDK Android: Youtube SDK, Facebook SDK, Google Map, Twitter SDK, MOL Payment SDK, Paypal SDK, Admob SDK, Applovin SDK, Chartboost SDK, Deploygae SDK, Fabric SDK, Dropbox SDK…
• Source control: TortoiseSVN, Team Foundation Server.
• Other: Using some library from github, custom view Android, graph, chart, QRCode/Barcode, custom animation, push notification, management crash log,bugs, progress memory, network…