Justin De Groot

Amsterdam, Noord-Holland, Netherlands

Yearly Stats: $6,354 Earned |

The guru of

Services




Justin De Groot

Senior Developer ( Web and Mobile Application )

Success = High Quality + Good Skill (experience) --------------

During last 5 years, I have developed lots of Web and Mobile applications.

I have great skills and knowledge in the areas of developing many types of web solutions.
? HTML/CSS/Javascript(Bootstrap framework)
? AJAX/jQuery
? PHP/MySQL with Laravel/Codeigniter framework
? E-commerce
? Python/Django
? Node.js
? AngularJS

And I am expert in development tools like Xcode(iOS), Android Studio(Android) and Xamarin(Hybrid).
I've also created REST APIs for Mobile Apps using PHP and Mysql.

APIs & Frameworks
? Social Networking APIs (Facebook, Twitter, Google+, LinkedIn, Youtube, Instagram, ... )
? Apple Services (In App Purchase, Push Notification, ...)
? Google Services (GCM, In App Billing, Place APIs, Map APIs, Image APIs, ... )
? Advertisement Services (iAd, AdMob, RevMob, ... )
? Image Processing (CoreImage, GPUImage, ... )
? Game Frameworks (Cocos2D, Box2D, OpenGL, Unity2D-3D, ...)
? Web Service Integration (JSON, XML, SOAP, ...)
? Payment System ( Stripe, Paypal, In-app purchase)

Code Management
? Git (Github, Bitbucket, Barnyard ... )
? Svn (XP-Dev, ... )

Tools
? Xcode 7.1 (Swift, Objective-C, Cocoa Touch, ... )
? Eclipse, ADT , Android Studio (Java, ... )
? Appcelerator Titanium (Javascript, Alloy, ... )
? Visual Stuido (C, C++, C#, .Net, ... )
? Xamarin Studio (C#, .Net, MonoTouch, Mono for Android, ... )
? Unity (C#, Javascript, OpenGL ES, Direct3D, DirectX11, 3Ds Max, ... )
? Web (Python - Django, Google - Go, PHP, C# - .Net, ... )

Work Terms

I hope to get long term relationship with client on work.
I am client-oriented developer and I really enjoy to provide top-notch technical service.