You've landed at the right place. oDesk is now Upwork. Learn about the new platform.

Json Jobs

79 were found based on your criteria


Job Type

show all

Client History

show all

Project length

show all

Hours per Week

show all

Fixed-Price - Est. Budget: $ 100 Posted
My goal is to use to connect my database with external services, such as CampaignMonitor, through a custom "ZAP", and in doing so, be able to make API calls to import my customer lists and pull contact data into said partner platforms. I... more

Fixed-Price - Est. Budget: $ 500 Posted
I need someone to make the advance functions for the android project that i have started in my github account. this will be a 1 ~> 2 weeks of work , with a modular based payments! I need a full time worker / Workers that can do the job quick and... more

Hourly - Est. Time: 3 to 6 months, Less than 10 hrs/week - Posted
Pleace notice that developer must be located in Cracow or Poland at least. Your skills: - Android application development experience using the latest SDKs - Created and published at least 1 application available in Google Play store - Data analysis,... more

Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
The backend is based on php and nodejs, Need an expert who can solve some small issues with the taxi hiring system. The system consists of Android apps, ios apps for driver and passengers and A admin panel. The system automatically sends a passenger request... more

Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
We are looking for a good backend Expert with good database skills, Idea of PUSH for Android and iOS apps, Expert in REST API, Job Scheduling mechanism, Admin WEB END expert, Amazon web service. The system is based on drivers delivering packages from... more

Hourly - Est. Time: More than 6 months, 30+ hrs/week - Posted
Senior Developers needed for full time contract in Ireland. Basic requirements: J2EE, JBOSS, JPA, JSON, REST, Test Automation using TAF, Python Scripting etc….. -Telecom experience wanted, OSS Assignments are available in: -Data Persistence... more

Fixed-Price - Est. Budget: $ 400 Posted
Complete an existing cross-platform (Android, iOS, Windows Phone) mobile application in C# via Xamarin and Xamarin Studio. Project Facts: - Version control via Git hosted on GitHub. (private repo) - UI is built entirely in Xamarin.Forms. - Over... more

Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
We have some Microsoft Word doc forms that we need to convert to json that will be used to build a webform. This job does not require any programming experience. You will just need to understand how json works and different input types (eg. string, number,... more

Hourly - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
We are hiring a senior Programmer to create an application. You are an expert of Json API that can connect a CMS in CI frame work with Mobile connections. Experienced in 10 years programming, know Json for 5 years and have done such integration before. I... more