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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, 122 json projects are completed every quarter on Upwork.

122

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 4.67.

4.67
Last updated: September 1, 2015
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  1. Muhammad Usman Piracha

    Muhammad Usman Piracha

    IOS | Android | Web | php | C/C++ | HTML | .NET

    Pakistan - Portfolio: 9

    ********** "Whatever Your Mind Can Imagine - We Can Deliver"*********** We have above 5 years experience in mobile development. Our aim is to provide quality work in time with reasonable cost. We have team of skilled developers. Huge experience in mobile application design and development Working knowledge of C/C++, Objective C and iPhone SDK programming Familiarity with iOS development using Objective C and the iPhone SDK Fluency in Objective-C Wide knowledge of iPhone, iPad, Android and Windows Phone development Ability to work within a defined software development cycle

    $20.00 /hr
    357 hours
    4.70
  2. Md Ashraful Alam Milton

    Md Ashraful Alam Milton

    Software Engineer

    Spain - Portfolio: 8

    With proven professional experience in latest technology stack, i am ready to finish your project with quality in time. I have 4 years web development experience and 3 years of android development experience. I have experience working in hamburg, germany as Android and php developer. I am very happy to give interview or do some test tasks to show my skills. I have published 11 apps from two of my developer profiles: https://play.google.com/store/apps/developer?id=bd https://play.google.com/store/apps/developer?id=fantasy+solutions My Amunitions: Okhttp, Gson, retrofit, Junit, Robolectric, Robotium, Mockito, Butterknife, Sprinkle, ORMLite, Acra, and many more opensources libraries.I will create any custom view or libraries needed in your project. My linkedin profile http://es.linkedin.com/pub/md-ashraful-alam-milton/33/60/a0a/ My Process: analyze your project, select proper tools and library, design the solution, write the code and test it, get use

    $11.00 /hr
    39 hours
    4.59
  3. ZiWen Song

    ZiWen Song

    iOS l Android l PHP Senior Developer l SNS Expert

    China - Tests: 1 - Portfolio: 24

    My Goal is : first be a friend , next make your dream reality with you! Over 6 years experience in Mobile app development for Android and iOS platform including Backend development,. I developed all kind apps in iOS and Android ...social, enterprise,video,audio, photo sharing, video chat, online shopping, fitness...I have developed over 50 apps in Apple store and 20 apps in Google play store, Amazon. I have used backend integration with REST service,Quickblox,Parse.com,Geolocation, Geofencing...facebook/twitter/instagram... integration. I render services to my clients across the globe. My diversity is well established when it comes to mobile applications for my clients. Also full time developer for clients project and dedicated for client's project. I have a Team of 3 , Web developer, Android developer. Though we are only 3 but powerful.

    $25.00 /hr
    239 hours
    4.96
  4. Derek Antosh

    Derek Antosh

    While (problems.length > 0) { solve }

    Canada

    I have extensive experience in two areas: JavaScript and ColdFusion. I have been coding for nearly 15 years, and carry a BSc in Computer Information Systems. I love to solve problems. I also have an excellent understanding of SQL, database structure and design, as well as AJAX. I am very skilled when it comes to client-side interfaces using JavaScript and integration with server-side technologies, specifically ColdFusion.

    $50.00 /hr
    312 hours
    5.00
  5. Jinhu W.

    Jinhu W.

    Expert iOS Developer ( iOS 8, Swift ready )

    China - Tests: 2 - Portfolio: 18

    My goal is bring your dream to reality Over last 5 years, I have developed over 30 apps for iOS ( mainly for iPhone and iPad, iOS 7, iOS 8 ) I worked for 2 most famous mobile app & game development companies as iPhone app developer and Team leader http://www.appostrophic.com/ http://www.appzuniverse.com/ My main expertise is Social Networking App development ,Social Dating, Photo, Video app for iPhone and iPad. Please feel free to contact me anytime when you need App or when you have trouble. Regards, JinHu Wang

    $55.00 /hr
    821 hours
    4.99
  6. Alex Torres

    Alex Torres

    MEAN Stack developer / Full Stack / Mobile

    Spain - Tests: 2 - Portfolio: 2

    I am a full stack developer with good experience using Node.JS, Angular, Express, Jade and severals database models like Mongodb, PostgreSQL or mySQL. I developed single pages applications and REST API services. Worked with JSON and XML data models. Also, I'm considered a Junior Mobile developer that can handle very well the connection between a web app and a mobile application.

    $16.00 /hr
    78 hours
    5.00
  7. Jonathan Andres Calderon Roa

    Jonathan Andres Calderon Roa

    php,html developer

    Colombia - Portfolio: 22

    Since 2008 I have developed web systems for small and mid-size companies working on PHP and Ruby. My core competency lies in complete development and maintenance of a website project. I am seeking forward to build websites and systems up for you and your business. I’m very interested in recent trends and new technologies. The projects I worked on were related mainly to gaming websites, hotels, auction portals, e-commerce, charity foundations, hospitals and industry in general. I’ve used wordpress, wordpress multisite, Wordpress WPML for translation, CakePHP, CodeIgniter, Ruby on Rails, PostgreSQL and MySQL as database engine. I am interested in learn continuously about a many areas in life. I am a geek, love to try and learn new things, the “how” and the “why” are my main mottos. I am a software developer and it is one of the things I like to do so much. I love to make things happen, create tools to make the process and the life better to live. The following is a list of the thi

    $20.00 /hr
    74 hours
    4.90
  8. Sergey Sokhranov

    Sergey Sokhranov

    web developer

    Russia - Tests: 3 - Portfolio: 1

    My name is Sergey. I am experienced PHP developer with 4 year development experience of web applications. My skills: HTML, CSS, PHP, javascript, jquery, java, MySQL, JSON, XML. Website development and promotion from scratch. Creating CRM from scratch and its further development. writing parsers (obtaining data from different sites) of varying complexity. Also i have experience with integration with other web-services like payment, sms, email services. I love my job and do it with great quality, this proves my reviews. I take the job only if i 100% sure that i can do this job very good) To my work always give a guarantee.

    $17.00 /hr
    266 hours
    5.00
  9. Hernan Yamakawa

    Hernan Yamakawa

    Sr Software Engineer. (Java / Grails Expert)

    Argentina - Portfolio: 60

    Passionate software engineer with more than 10 years experience working for top companies building enterprise-grade web applications. Have a degree in Information System Engineer at National Technology University (Argentina). Strong skills in object oriented design and development, focused on clean code, scalability, robustness and maintainability. Also strong analytical, technical and communication skills. Belief in continuous improvement philosophy, plus self-taught ability and proactive attitude are the basis that motivates me to research new technologies, work methodologies and best practices that enhances quality of products and services. As proof of the above mentioned qualities I provide free bug fixing to all my completed projects.

    $50.00 /hr
    1,145 hours
    4.99