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json Job Cost Overview

Typical total cost of Upwork json projects based on completed and fixed-price jobs.

Upwork json Jobs Completed Quarterly

On average, 118 json projects are completed every quarter on Upwork.

118

Time to Complete Upwork json Jobs

Time needed to complete a json project on Upwork.

Average json Freelancer Feedback Score

json Upwork freelancers typically receive a client rating of 4.65.

4.65
Last updated: July 1, 2015
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  1. Martin P.

    Martin P. Agency Contractor

    Mobile Applications Architect

    United States - Last active: 4 months ago - Tests: 3 - Portfolio: 8

    I am a professional iOS developer. I provide high quality development services for iPhone and iPad. I have more than 4 years of professional development and more than 10 apps submitted to the Appstore. I create a project plan for every project and I always keep the client up to date with the project progress. I have the knowledge to build an app from the ground up and to submit it to the Appstore. My work is a synonym for quality !!!

    Associated with: Samsourcing

    $44.44 /hr
    433 hours
    5.00
  2. Alexandra S.

    Alexandra S.

    iOS development

    Czech Republic - Last active: 5 months ago - Tests: 7 - Portfolio: 8

    Graduated from Tomsk State University, Informatics in 2007. From 2007-2009 worked with C/C++. Since 2010 started with Objective-C, iOS applications. Since 2010 I've finished numerous different iOS projects: shops, catalogues, traveling, business, image effects, etc.

    $30.00 /hr
    406 hours
    5.00
  3. Mikhailo K.

    Mikhailo K.

    Android/PHP/JavaScript Developer

    Ukraine - Last active: 1 month ago - Tests: 2 - Portfolio: 1

    Hi all! My main direction - backend development and client-server technology. Since 2008, mainly engaged in network technologies. I have experience in the creation, maintenance and administration of billing servers for telecommunications (databases, high load, statistics, interaction with the equipment, the user interface). Engaged in writing programs for Atmel microcontrollers on C/C++. Also in 2013, developing a Andoid applications. To work'm responsible and always try to do in the allotted time. I like the non-standard Projects where you can get a new experience and find new solutions.

    $6.00 /hr
    0 hours
    0.00
  4. Mauricio Muriel

    Mauricio Muriel

    Systems Engineer

    Colombia - Last active: 1 day ago - Tests: 1

    Experienced LAMP Developer, in transition to server side Javascript world, Shopify Rocks!, Laravel makes your life easier (and cleaner), loving Mysql but flirting with Apache Cassandra. ======================================================================= Desarrollador LAMP experimentado, en transición hacia el mundo Javascript del lado del servidor, Shopify es genial!, Laravel te hace la vida más fácil (y más limpia), amando Mysql pero coqueteando con Apache Cassandra.

    $25.00 /hr
    0 hours
    0.00
  5. Vitaliy S.

    Vitaliy S.

    Experienced Android developer

    Ukraine - Last active: 11 days ago - Portfolio: 2

    Hi, My name is Vitaliy Shuba. In my portfolio, are a few of the programs that I've developed. My strong point is: always be to meet your needs and deadline. I like to speak with client at the beginning of the project to clarify his/her needs and vision of the project. Since 2013 I'm C# WinForms / WPF programmer, developing apps for traders on the stock exchange. Since 2014 I develop android applications. I have a Bachelors in Computer Systems and Networks from Uzhhorod National University, in the Ukraine. Listed below are my experience and skills. — Android: Fragments API, Location and Sensors API, SQLite, UI, Services, Maps ,ActionBarSherlock, Google Maps API, Google Places API, GCM API admob, etc; — Core web: XML, JSON, HTML/CSS, JavaScript; — Java Core: Java Core, Multithreading, Collections API, etc; — IDE: Android Studio, IntelliJ Idea, Eclipse, Visual Studio; — OS: Linux, Windows; — VCS: Git, Mercurial, SVN; — Bug/Issue trackers: Jira, Youtrack.

    $20.00 /hr
    0 hours
    0.00
  6. Artem Ushakov

    Artem Ushakov

    Android programmer

    Russia - Last active: 18 days ago - Tests: 4

    Hello. I have experience in developing with Java for Android and C++ with Qt framework. I have worked with different android features: location API, camera api, asynctask, network, services etc. I also worked with RESTFul services, JSON/XML and SQLite database. In C++/Qt I have worked with multithreading, network, GUI and multimedia module. I have experience with TCP/IP, video streaming, SQL database(MySQL, Oracle database, SQLite). I have experience with GStreamer, libVLC and OpenCV library. I work at Android Studio, Eclipse, QtCreator and GIT.

    $8.89 /hr
    0 hours
    0.00
  7. Florent T.

    Florent T.

    iOS App Developer

    Albania - Last active: 1 month ago - Tests: 2 - Portfolio: 1

    I am a professional iOS Developer who has 2 years experience in iPhone,iPad,iPod development. My focus is on doing high quality work. I have worked individually as well as in a team. I like to build fully efficient applications which are user friendly as well as best in design. I like challenges and welcome any new ideas for app creation which makes me keep learning new things and keep updated about new technology. Client satisfaction and deliverables are most important parameters for my working environment. My core competency lies in iPhone and iPad development and I am seeking opportunities to build social, utility, navigation and web services apps mainly. I have worked with foreign clients from Germay , UK, US , Swiss , Kosova etc .. Followings are my brand skills in iOS: - AVFoundation API / Camera API - API Development and Integration to App - JSON / XML / Soap - SQLite / Core Data - Facebook API, Twitter API and Social API, - iAds / AdMob / Flurry - AFNetworking framework - Designig User Interfaces / User Experience Engineering - GeoLocations / MapKit / Search API / Places API - Memory Management - Developing Custom Controls - CoreAnimation API / Animations - File Uploads - RSS I am fluent in written and speaking in english and so client never feel any issue in discussion and requirements clarification. I am looking for short or long term business relationship where I can utilize my skill set and provide the best quality work.

    $20.00 /hr
    0 hours
    0.00
  8. Luiz Valmont

    Luiz Valmont

    Senior Software Developer

    Brazil - Last active: 1 month ago - Tests: 4

    Luiz has worked with leading e-commerce and mobile brazilian companies, just as with a vehicle tracking business site. He has developed and provided support to e-commerce and real-time vehicle tracking software projects. He has lead a problem resolution team, ranking issues and co-ordinating different project teams so as to diminish the financial impact of software defects.

    $20.00 /hr
    0 hours
    0.00
  9. Leonardo Soubeste

    Leonardo Soubeste

    Software developer

    Argentina - Last active: 4 months ago - Tests: 1

    I am a sofware developer with more than 6 years working in big Java projects, as a team fullstack developer, and contractor for important companies like Philips, EA, Orbitz. Born and based in Argentina, I have experience working in Europe, lived for a year in Germany. Also worked for several companies in the US with fluent communication with clients and stakeholders. My main experience is in Java, using different frameworks, in different environments, different domains, but I also had some experiences in Ruby and C#, as well as with scripting languages like Javascript or Python. Main technologies I have experience with: Spring, Hibernate, RestEasy, SOAP, Maven, Javascript, CSS, HTML, JSON, JBPM, JMS, jQuery, JBoss, Tomcat, Spting MVC, Selenium, QA automation.

    $22.22 /hr
    31 hours
    0.00
  10. Stepanchuk Yaroslav

    Stepanchuk Yaroslav

    C++ Developer

    Ukraine - Last active: 2 months ago - Tests: 1

    C++ Developer with 4-years experience and extensive knowledge of Qt framework, multithreading, STL, SQL (MySQL, Firebird, SQLite). Network applications: JSON, TCP/IP, XML, HTTP. Development and support of С++ client-server with the use of Qt framework (Windows, Linux). Development of software for video viewing and recording from IP-cameras (RTSP, h264, mjpeg) Development and support of ACS (Access control systems) for the educational institution (turngate control, card readers' data receipt, synchronization with system's server). Software development to control bill acceptors (Cashcode), dispensers, thermal printers (OS Linux) Browser' custom build on the basis of Chromium browser (Windows, Linux).

    $7.00 /hr
    0 hours
    0.00