Profile image of EMCALLISTER
Member since January 29, 2011
3 Recommendations


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I am an English developer, travelling Europe and have been writing code for iOS since the swirling mists of 2009. I am well versed with many essential iOS frameworks. • AVFoundation (Audio, Video and Still Image) The AVFoundation framework provides services for working with time-based audio- visual media. I use this framework to capture and encode, decode and edit media formats using advanced techniques to create custom solutions. • Foundation I use the Foundation framework to access the essential classes that define operating-system services to incorporate design patterns and mechanisms to make apps that are both robust and efficient. • UIKit I use the UIKit framework to access the crucial infrastructure needed to construct iOS apps. This framework provides the window and view architecture to manage an app’s user interface and event handling of user input, and the system interaction model.
$25 USD/hr
98 reviews
  • 79%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 24%Repeat Hire Rate


Recent Reviews

  • image of lyonking3 Develope an Iphone App for use in International Flying $825.00 USD

    “Excellent all around. can not say enough good things about the experience and working with him.”

  • image of Jonathan L. Project for EMCALLISTER £50.00 GBP

    “This is second time I've employed EMCALLISTER and again delighted with his knowledge and speed of response. We definitely use him again.”

  • image of Jonathan L. Debug an AVAssetWriter issue in my iOS app £20.00 GBP

    “Wow, at last I've found an AVFoundation and iOS expert. EMCALLISTER is not only extremely competent but is also a great communicator and quick worker.”

  • image of LifeActionGames Project for EMCALLISTER -- 2 €130.00 EUR

    “thanks a lot for your great help! the work was really fast snd perfect quality. i can really recommend elliott for a broad range of mobile projects. thanks again”

  • image of LifeActionGames Project for EMCALLISTER €75.00 EUR

    “really perfect work and VERY fast. can highly recommend him for any software-related work. thanks a lot elliott!!”

  • image of Dusan S. iOS Objective C class with Openears Speech Recognition $450.00 USD

    “Great guy to work with!”


iOS Developer

Aug 2009

I gained my experience in Object oriented programmer learning how to master Adobe Flash using ActionScript 3 and then in September 2009 I made the switch to Obj-C for iOS. At the time Obj-C ranked 57 in the TIOBE Index and today it is now ranked at top 3. This is great to have both come so far together.


Diploma in Software Applications (2003)

City and Guilds

9x NVQ I in Software Applications. 9x NVQ II in Software Applications ~ Equivalent to 3x Diploma.


  • US English Level 1
  • US English Level 2


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