Fredrick Jansen

Software Engineer in Amsterdam, Netherlands

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I am a senior software engineer working for Mobile Application and Web Development with extensive experiences in iOS and Android SDK, Swift, Objective-C, Cocoa Touch, UIKit, Xcode, Java, Php, NodeJS, Javascript, AngularJS, HTML5, CSS and etc.

Especially I'm strong at Xamarin development and have great background in building Xamarin Apps using Xamarin.Forms, MVVM Cross and MVVM Cross Light.

1. As a Mobile Developer

I’ve been working as an iOS and Android app and web developer for 7+ years since i graduated university.

During 7+ years, I’ve acquired many experiences and technologies in Mobile app obtained Mobile App Developer Certifications and I have developed 30+ mobile apps using Objective-C, Swift, Java, C#(Xamarin), Angular/Javascript(Cordova).

2. As a Web Developer

I specialize in PHP/MySQL, Node/Angular/React, Ruby on Rails, HTML5, CSS3 & jQuery. I write clean, semantic, standards-based code.

I've created interactive web apps and single page applications using react, angular and node.

I have a sharp eye for details and I provide pixel-perfect, SEO friendly web page that is compatible with all major desktop or mobile browsers and REST/SOAP Backend apis for mobile apps.