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, 113 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 4.68.

Last updated: October 1, 2015
Clear all filters

Bhushan Rana

Bhushan Rana Agency Contractor

IOS & Android Developer | JSON XML Expert


This is Bhushan Rana from Picnframes Technologies. I have been programming and developing mobile and web applications since 2012 and am always looking for new opportunities to improve my skills and help someone turn their ideas into a reality.I am a senior software engineering student at the University of Toledo graduating in May of 2015. I have a passion for learning and using the knowledge I obtain to solve problems in a creative and efficient way. One of my greatest strengths is my ability to learn new information and skills at a fast rate which I transfer to my development work. If you need any development work completed please do not hesitate to contact me.


91% Job Success
$16.67 /hr
388 hours

Sukhdev S.

Sukhdev S.

Kentico , Sr. Frontend , Asp.Net MVC, C# ,JSON, Web-Api 2.0

India - Tests: 10 - Portfolio: 3

Since 6 Years, I am into development! ASP.NET MVC and silver-light expert, I work exceptionally well with businesses in need of smart and innovative web/desktop/mobile applications. Dedicated, flexible, and always up for a challenge. I give my 100% to each and every project with my clients' interests in mind. Expert in building Responsive Web UI, Twitter Bootstrap3, ASP.NET MVC 4/5 with EF 5.0 Jquery and Windows Azure. Using Knockout JS, Angular JS and Kendo UI, Telerik I am able to give you such a progressive enhanced responsive solution that works fine on any computers web browser, mobile platforms also including IPAD and other Tablet. Since last 5+ years in IT and development, I have developed some of best international products and solutions using latest ASP.NET, 4.5, JQuery UI, MVC5, MVVM, Silverlight, HTML5, CSS3 technology and concepts. Work with me and feel the difference by means of quality output, communication, reporting, daily updates, weekly demo. I measure my success in your business. I am looking for a long term relationship, so we can create value.

75% Job Success
$15.00 /hr
275 hours

Yin Wang

Yin Wang

Full Stack iOS|Android|Cordova|Back-end Developer

China - Tests: 1 - Portfolio: 5

"Your SUCCESS is my SUCCESS!!!" - Quality & Responsible & High Speed & Guarantee your Money!!! Talented mobile developer having for over 8 years experiences. I have been developing and providing service for maintaining the wide-range of products with iOS/Android application & web-backend. I have worked on wide variety of complex projects with long term clients. If you want to get TOP mobile apps, please assign me on your projects. I guarantee the quality of products with you. If you can't get satisfaction for my working, i will refund all your money. I aim to keep long term relationship with you and your satisfaction is my top priority. Look forward to hear from you. Sincerely.

$45.00 /hr
717 hours

John S.

John S.

Expert Ruby on Rails and Express/Node.js

United States - Tests: 5 - Portfolio: 6

An Individual developer with 10 years experience developing web applications. USA based in Connecticut with excellent communication skills. Extensive work with Ruby on Rails and Node.js/Express Framework. Frontend web development as well including HTML/HTML5, CSS, and Javascript. Frameworks: Bootstrap (Responsive), jQuery, SASS, and AngularJS. A reliable developer that will get the job done right and on time. Familiar with Client/Server configurations using JSON/REST API's, Object Oriented Programming (OOP) and Model-View-Controller Ruby Development. Prefer to work with Postgres but also work with MySQL. Extensive experience using ActiveRecord and with Postgres, Mongoid and Redis.

81% Job Success
$45.00 /hr
608 hours

Ramkeshar T.

Ramkeshar T. Agency Contractor

.Net Framework , Web design, PayPal Development

Nepal - Portfolio: 5

Gained an expertise on the field over 12 years. Efficiently put correct plan, schedule and action oriented approach which has already proved to reach client's goal. Your goal is our achievement. Success Stories: Hospitality Management System communicating synchronous/asynchronous with various web portals. MLM Business Application Sugarmill management system, success in handling various hardware. E-Commerce Shopping Sites Complete payroll Management system Social Product Management

Associated with: Bytecode Technologies

82% Job Success
$11.00 /hr
342 hours

Oleksii Pelykh

Oleksii Pelykh Agency Contractor

Top-notch Business Applications

Ukraine - Portfolio: 1

Brainbean Apps is a company specialized and focused on mobile software development for all popular platforms. We deliver innovative solutions for businesses of our clients and do this professionally, fast and cost-effective. Whether Your company is a start-up or corporation with decades of success - our highly-skilled developers, passionate designers, experienced managers and scrupulous QA can create any mobile application you can imagine.

Associated with: Brainbean Apps

97% Job Success
$30.00 /hr
279 hours

Sergey Sokhranov

Sergey Sokhranov Agency Contractor

Web developer - PHP / MySQL / jQuery / CSS

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, MySQL, JSON, XML, IONIC, AngularJS. 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.

Associated with: WeBanana

100% Job Success
$19.00 /hr
380 hours

Carlos Feitosa

$35.00 /hr
218 hours

Mahesh J.

Mahesh J.

Web Developer/ Web Designer

India - Tests: 14 - Portfolio: 2

I have more than 3.5 years of Experience in Software Development. I have strong Software development skills with experience in Web Application and Web Development in N-tier Client-Server based Internet technology, intranet portal design/development; Web based data reporting system, workflows, Framework development for Internet application. My experience has stretched across various programming languages including C#, ASP.NET, Ajax and Jquery. I am also well versed in RDBMS concepts. My skill sets include the following: Web Design Skills - HTML - CSS - Bootstrap - Psd To Html - Adobe photo shop cs3 Development Skills & Technologies - ASP.NET - MVC 3 - 4 - 5 - C# - AJAX - Web Service - JavaScript - J query - XML - Angular js - WebApi - Json Database Expertise - SQL Server 2005-2008 - LINQ - Entity Framework Deployment, Troubleshooting at Client server, Data Migration, Fix issues at Client end. Proficient in Web Designing, Web Portals, Web Applications, Parallel Programming

100% Job Success
$5.56 /hr
942 hours

Volodymyr Taliar

Volodymyr Taliar

Web UI Developer

Ukraine - Tests: 2

I’ve been working as Web UI Developer since 2009. I have experience in such technologies as HTML/HTML5/HAML, CSS/CSS3/SCSS/SASS and JavaScript/Ajax/JSON so I can do PSD-to-HTML work of different complexity. Also I worked with different JS frameworks like jQuery, Backbone, AngularJS, Jasmine, Google Maps/Leaflet etc. My knowledge of PhoneGap/Ionic is also good so I can develop hybrid mobile applications. Finally, I know PHP, MySQL to implement different backend tasks like REST/JSON API, working with DataBase etc. I can do both front-end and back-end task, starting from developing simple HTML/CSS layout pages ending with developing complete Web and Mobile applications.

85% Job Success
$16.67 /hr
172 hours