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On average, 122 json projects are completed every quarter on Upwork.


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Average json Freelancer Feedback Score

json Upwork freelancers typically receive a client rating of 4.67.

Last updated: August 1, 2015
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  1. Erick Maldonado

    Erick Maldonado

    Expert Java coder

    Guatemala - Last active: 2 days ago - Portfolio: 1

    Systema and Computing Sciences Engineer. My goal is to finish every job I get with a satisfied client. More than 5 years of experience developing Java applications (desktop, web, ORM). Experience working with Google App Engine and other Google technologies such as google maps, and the diferent google APIs.

    $26.00 /hr
    139 hours
  2. Vlonjat Gashi

    Vlonjat Gashi

    Android Developer

    Albania - Last active: 4 months ago - Portfolio: 3

    Passionate Android Developer aiming to provide the best solution to client requirements and establish a good relationship. With my 2 year old experience working with many Android apps for different clients. Worked in apps with: *Design with Android Lollipop & Material Design specifications. *JSON, XML Parsing. *REST API *Parse API & Push Notifications. *Database Solutions. *Google Map Service, Geo Location. *Facebook API, Twitter API, YouTube API. *In App purchase and Push Notifications. *In App advertising : iAd, Admob, Adwirl, Revmob, Chartboost, Flurry, Tapjoy, Mobclix.

    $9.80 /hr
    0 hours
  3. William Patterson

    William Patterson

    Senior iOS Developer

    United States - Last active: 2 months ago - Tests: 6 - Portfolio: 5

    Author of five iOS apps currently available in the App Store as well as more than a dozen client apps published to the App Store. * Versatile, creative software engineer offering 15+ years of experience in complex mobile, server and web-application development. * Concentrations in object oriented design, database-driven applications and agile methods * Long history of work in web-based applications and environments * Experience designing and implementing complex software server systems and full-stack web apps * Bug-free guarantee -- even after the work ends, no limitation on commitment to fixing any discovered issues free of charge Most of my projects are milestone based fixed price contracts, though I'm happy to consider hourly work as well. Design and development of advanced, bug-free iOS applications. * Top-tier technical skill and demonstrated history of releasing successful apps to the App Store for clients * Expert in all aspects of iOS * Remote projects are my specialty -- excellent remote collaboration and oversight * Native english speaker, great communication and writing skills * Detailed specs and proposals agreed before any work begins * Firm commitment to understanding of projects to ensure on-time and on-budget delivery * Commitment to customer satisfaction I'm able to help do design, implementation, graphics design, and automated testing to ensure quality. You may find out more about me at

    $60.00 /hr
    0 hours
  4. Aliaksandr B.

    Aliaksandr B.

    Flex/AIR/Flash/Mobile developer

    Belarus - Last active: 4 days ago - Tests: 1 - Portfolio: 6

    I have experience in developing desktop, web, mobile and touch screen games and applications using Flex, Flex for mobile, Adobe AIR, Starling, Feathers, Robotlegs and e.t.c. Please give me your project description and we could discuss how to do it better.

    $33.33 /hr
    0 hours
  5. Anshul G.

    Anshul G. Agency Contractor

    PHP|MySql|Joomla|Wordpress|jQuery|AJAX|Bootstrap|osCommerce developer

    India - Last active: 1 day ago - Tests: 8 - Portfolio: 3

    I am a web developer with 4+ years of industry experience. I want to work on big & technically challenging projects Technical Skill Set: PHP, MySql, Joomla, Wordpress, jQuery, AJAX, Bootstrap, osCommerce developer

    Associated with: DotTechnologies Agency

    $13.33 /hr
    190 hours
  6. Sohini M. Agency Contractor

    UI & Front End Programming

    India - Last active: 27 days ago - Tests: 3 - Portfolio: 18

    I'm working under MPS Info Services company since last few years. I'm specialized in the following area and have 8+ years of experienced.. - Home Page Design in PSD - Logo Design in Illustrator - PSD to HTML/CSS conversion [Responsive Design] - JavaScript - JQuery - JQuery Mobile, Jquery.touch.js - Phone Gap - Json - Canvas - Bootstrap - Angular.js - AJAX - SEO Please try me .. my responsibility to provide you high quality product so that we can work for continuously.

    Associated with: MPS Info Services

    $10.00 /hr
    1,166 hours