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C Jobs

916 were found based on your criteria

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Hourly - Est. Time: More than 6 months, 30+ hrs/week - Posted
Full Time Position, Looking for a talented programmer, who enjoys solving problems in an elegant and efficient way. You’re first projects will be mostly web stuff, but will also be given a variety of windows applications to work on. Programming Experience Must... more

Hourly - Est. Time: More than 6 months, 10-30 hrs/week - Posted
I need a someone into 1)secure webdevelopment, more specifically bitcoin and cryptocurrencies So we can draft and realize a fast arbitrage/marketmaking bot integrating with many exchange APIs including poloniex, cryptsy and so on. - Later... more

Hourly - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
This is an opening for a Senior Development position with one of our sister companies. This is a lucrative position and there is only one spot available thus only one candidate will be selected. Position Summary Works on problems of diverse scope... more

Fixed-Price - Est. Budget: $ 300 Posted
I want to hire a iPhone developer who have enough experience to create a simple app of just 5 screens. I have design and Graphics.
Skills: Objective-C

Fixed-Price - Est. Budget: $ 50,000 Posted
Hi There! I am looking for a well experienced Android/ios Game developer. Please note candidate must have worked more than 100 hours on upwork and should have rating 4 and above. Requirement 1. proven experience in developing GAMING apps... more

Hourly - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
This a first stage of project. We need to enable a voice recording during a phone call in the way that up-link and down-link are recorded separately. The application needs to run in background and correctly handle an incoming and outdoing call events... more
Skills: Objective-C

Fixed-Price - Est. Budget: $ 250 Posted
An Actionscript Native Extension to allow Adobe AIR apps to interface with Facebook Messenger Platform on iOS. Please see the API docs: https://developers.facebook.com/docs/messenger/ios The ANE must support basic and optimised integration with... more

Hourly - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
I currently have an app in the app store called pyzel surfboards, here is the link https://itunes.apple.com/au/app/pyzel-surfboards/id531273150?mt=8 . This app allows users to create a surfboard order user an actionsheet picker and save it with a sqlite... more
Skills: Objective-C