Browse json job posts for project examples or post your job on Upwork for free!

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.


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.

Last updated: July 1, 2015
Clear all filters
  1. Vigorous Web

    Vigorous Web

    Web Developemt, SEO, Data Entry Services

    Pakistan - Last active: 2 days ago - Tests: 2 - Portfolio: 10

    Vigorous Web conveys everything you need to communicate effectively on the web. We understand how users interact with digital media, so we have usability at the foundation of our services. We give great importance to fresh ideas and crystal clear goals. Vigorous Web developing team is made up of multi-talented illustrators, designers, writers and software developers, delivering the right mix of creative finesse. Our team can create everything from single-page online brochures to interactive database applications for large companies or applications. We build and maintain high quality web site design and e-commerce web development solutions for a wide a range of businesses and individuals. We provide professional-level programmer and customized web development solutions in PHP, Open Source, Wordpress, Drupal, CakePHP, YII, Mobile UI, Responsive Sites, ASP, ASP.Net, AJAX, ATLAS, Flash Actions Script Programming, JAVA etc to our clients. We provide SEO and Data Entry services.

    $10.00 /hr
    11 hours
  2. Akira Matsui

    Akira Matsui

    Fullstack App Developer : iOS/Android/Parse/Node/Sails/Meteor/MongoDB

    Japan - Last active: 1 day ago - Tests: 9 - Portfolio: 3

    As a full stack app developer,I've 5+ experience with mobile and web app development. Working as a freelancer,I take the latest technology and make the most of it to give my clients one-of-a-kind solutions. I deliver new ways for clients to reach their business objectives and goals, by merging my creative strength with my technical expertise. At the same time,I'm expanding my horizons and bringing new services to clients. Skill Set Mobile:iOS,Android,Ionic Web:Laravel,Node.JS,AngularJS,Bootstrap3,HTML5,CSS3 SDKs:Parse,Google Map,Facebook,Twitter,XMPP,Amazon S3 EC2 AWS,iAd,Admob,Chartboost,Paypal,,Stripe,Bitcoin Open Street Maps,MapBox,MapQuest,Instagram,Pinterest,Linkedin I'm committed to clients' success by delivering top service and solutions that exceed expectations time and time again. Guided by my commitment to quality,creativity and good business sense,my work is not done until the client is satisfied. At me,you will find honest and straightforward prefessionalism with amazing programming talents I'm ready and waiting to create your custom solution. If you're looking for innovation,results and programming experts for your business,we should talk soon.

    $45.00 /hr
    783 hours
  3. Annie Y.

    Annie Y.

    Senior iOS app developer

    Hong Kong - Last active: 11 hours ago - Tests: 10 - Portfolio: 5

    Thanks for your visiting I have the experience and expertise in delivering high performance mobile applications on platforms for over 3 years. I usually work on popular mobile platforms - iOS & Android. With a deep understanding of the core technologies driving iOS and Android platform, I can quickly find solutions to engineering challenges and deliver superior mobile apps to clients on time and on budget. Please feel free to contract me if you have any question or need pretty result. Looking forward to working with you. Thanks Annie

    $55.56 /hr
    25 hours
  4. Yuriy Bushev

    Yuriy Bushev

    Expert Node.js Developer

    Russia - Last active: 11 days ago - Tests: 2 - Portfolio: 3

    Hello, My name is Yuriy Bushev. In my portfolio there are a few projects that I've developed. I believe my strong points are my Creativeness and Punctuality. My #1 goal will always be to meet your needs and deadlines. I like speaking with the client, while working on a new project, so that I can have a clear understanding of his/her needs and a vision of the project. I'm honest and fair. I have been a freelancer since 2007. I have developed a variety of web systems using PHP, JS and HTML. From 2009 to 2013 I was working on SS7 project as a full-time employee in office. I have Developped IPC (Inter Process Communication) for SS7 stack, which included high load and performance critical operations. From 2014 till the present time I have been heading the russian SaaS service of the automatization of realestate advertisement. Thank you in advance for your time and consideration. I look forward to working with you soon.

    $34.00 /hr
    1 hours
  5. Jacob Hulse

    Jacob Hulse

    Dedicated professional web applications developer.

    United States - Last active: 1 month ago - Portfolio: 1

    Having worked for 15 years developing web applications with SQL Server back end stored procedures, I know how to complete projects on time and on budget. I have completed dozens of integrations with third party APIs using every protocol imaginable. Excellent written and verbal communication skills set me apart from offshore development teams.

    $100.00 /hr
    7 hours
  6. Kyrylo Andreiev

    Kyrylo Andreiev

    iOS App Developer

    Ukraine - Last active: 9 days ago - Tests: 5 - Portfolio: 9

    Skilled iOS software developer from Ukraine. My overall experience is more than 4 years of creating and improving mobile apps. Using such technologies as client-server communication, multithreading, SQLite and CoreData databases, custom designed views with animation, navigation and maps, and much more. Also trying myself in making games with SprikeKit framework. Always provide professional and carefull approach to creating apps.

    $20.00 /hr
    0 hours
  7. Stanislav Sidorenko

    Stanislav Sidorenko

    Mobile Developer (Android)

    Belarus - Last active: 6 days ago - Tests: 1 - Portfolio: 3

    My name is Stanislav, I live in Belarus (Eastern Europe, GMT+3). I have +3 years experience in non-commercial and commercial application development, game development. Platforms: Siemens mobile phones (*.elf), Texas Instruments debugging kits, Android OS with Eclipse IDE. Some experience in Symbian development and J2ME applications. Languages/Programming: C, C++, Java

    $17.00 /hr
    0 hours
  8. Mahavir Nahata

    Mahavir Nahata

    Phonegap Developer - Loves JavaScript & PHP

    India - Last active: 15 days ago

    I have completed my MCA (Master in Computer Application) degree in June 2013 with 84% marks. I have 1 year and 10 months of work experience in Software Development company as a Full Stack Web Developer. I built project in these technologies/platforms : - Phonegap - PHP - JavaScript (jQuery) - Node Webkit (A desktop application using HTML, JS and CSS for Builders) - Have knowledge of Wordpress. - Moderate Level knowledge of MySql (Can design Database for basic applications) My Strength is : I always believe in Logical thinking and overcome problems by thinking logically. I would love to work in Phonegap/Cordova projects.

    $21.00 /hr
    6 hours
  9. Maxim molchanov

    Maxim molchanov

    Mobile Developer and Web Developer

    Ukraine - Last active: 15 days ago - Tests: 4 - Portfolio: 7

    I have over 5 years of experience working with iOS & Android platforms and am very fluent in their native code. During this five years I have met a lot of pitfalls in Android os and have written own library for some common tasks like network, caching, parsing and much more I am well versed in iOS & Android app programming language such as Object-C, Swift, Java. Also I have about 1 year of experience working with Apple Watch app development. I always use the newest technologies and solutions for the development of high-quality mobile application

    $28.00 /hr
    0 hours
  10. Sebastien B.

    Sebastien B.

    Mapping solutions

    United States - Last active: 2 days ago - Tests: 2 - Portfolio: 10

    Based in Southern California, we are a trilingual team of Geographic Information System (GIS) and programming professionals dedicated to generating the most innovative cartographic and database solutions for our clients. In an era of ever-growing access and production of information, we understand the crucial importance of data mining and visualization. We are ready to support your business with all your mapping needs from standard PDF maps for prints to complex web-mapping options. Our portfolio includes clients from 4 continents and we continuously work in 3 languages: English, Spanish and French. Our Skype-based customer support and guarantees allows you to be in touch with us 10 hours a day and our daily reports on progress will keep you in the know about the latest advancements of your project. We are looking forward to hearing from you!

    $25.00 /hr
    8 hours