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
333 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
$22.00 /hr
234 hours

Khalid Khan

Khalid Khan Agency Contractor

Java, Java EE, JSON, spring guru

Pakistan - Portfolio: 2

Started my work as java developer and continue my career progress as a senior developer, technical leader, and now working as Technical Lead / Solutions Architect at SolutionXtreme, Have a wide experience in different business domains and deep experience in Java and many other frameworks, languages and developing methodologies.

Associated with: eMumba Private Limited

$15.00 /hr
0 hours

Aju John

Aju John

Experienced PHP, JQuery, JSON, Yii/Zend Developer

India - Tests: 2 - Portfolio: 1

I am working as a software engineer in one of the esteemed IT company in india. I have 3 years of experience in Yii, Zend, PHP, JQuery, Javascript, CSS3, HTML5. I am silver medalist in my University.

$10.00 /hr
32 hours

Andrew H.

Andrew H.

Android Developer

Ukraine - Tests: 3

I have a master's degree in Computer Science field and 2 years of experience in software development. I'm a fast learner and creator. Very motivated and determined developer. I'm looking for good business relations and partnerships to build good, solid and efficient applications together. Skills and technologies: - Android SDK - Social Networking Integration - Google Map API, Geolocation, GPS - UI customization, animations - Android 5.0 Material design implementation - Java SE / Java EE(Servlets, JSP, JSF) - Good understanding of OOP, Design Patterns, Algorithms. - Spring (IoC, MVC, AOP), Hibernate. - SQL, SQLite - Git

88% Job Success
$18.89 /hr
33 hours

Bhavik Mehta

Bhavik Mehta

Android Application Developer

India - Tests: 4 - Portfolio: 8

I am an Android App Developer having 2 years of experience in developing wide range of Apps with various genres I simply follow AGILE and SCRUM as an App Development Strategy. Project Tracking through ASANA and TRELLO for a well-managed task scheduling and to give a better visual to client of what’s going on with the project. I also love debugging and resolving errors /issues in any kind of App Simple Work Strategy: -Skype conversation for requirement specification and understanding -Feasibility analysis -Cost & Time Estimation and Negotiation -Design / Mockups -Prototype implementation -Feedback and Updates -Final work submission Guaranteed 3 day Apk to deliver work progress as well as for feedbacks and improvements Here is a quick overview of my main skills --------------------------------------------------------------------------------------------------------------------- Frameworks - Android SDK --------------------------------------------------------------------------------------------------------------------- Software tools - Eclipse, Android Studio --------------------------------------------------------------------------------------------------------------------- Design - Complex & Pixel perfect UI implementation --------------------------------------------------------------------------------------------------------------------- Coding Strategy - Well optimized, clean, robust and well commented code with qualified naming conventions --------------------------------------------------------------------------------------------------------------------- Multi Language Support - Localization And Internationalization support --------------------------------------------------------------------------------------------------------------------- API /Web Service Integration - JSON And XML based API - REST & SOAP Based API --------------------------------------------------------------------------------------------------------------------- Third party library support - Google Map API - Google Place API - Google Plus API - Facebook API - Twitter API - PInterest API - Dropbox API --------------------------------------------------------------------------------------------------------------------- In App Payment Solutions - Google In App Purchase - Paypal Gateway Integration --------------------------------------------------------------------------------------------------------------------- Third party back-end support - Parse --------------------------------------------------------------------------------------------------------------------- Push Notification Support - GCM based push notification - Parse push notifications --------------------------------------------------------------------------------------------------------------------- Advertisement Support - ChartBoost - RevMob - AdMob - Vungle - NativeX (Including Offer-wall) - Tapjoy (Including Offer-wall) - Supersonic (including Offer-wall ) --------------------------------------------------------------------------------------------------------------------- Screen Size Support - Standard Screen size 3.7 Inch to 10 inch --------------------------------------------------------------------------------------------------------------------- Android Version Support - Android 2.3 to Android 5.1.2 (Stock OS only) --------------------------------------------------------------------------------------------------------------------- StackOverFlow : 24x7 AVAILABILITY AND SUPPORT NO PAYMENTS UNTIL 100% JOB SATISFACTION

100% Job Success
$16.67 /hr
3 hours

Oleh K.

Oleh K.

C# Developer

Ukraine - Tests: 5

Hi. My name is Oleh. I love to solve problems and create architectures that prevent them. I'm driven, if not obsessed, by solving different technical challenges. When I don't have one to solve at work, I invent them on the side to keep my development skills sharp and give myself a reason to get out of bed, or even sometimes stay up all night. I have good experience in: - Desktop development on WPF and Windows Forms; - Web development on ASP.NET/ASP.NET MVC; - Metro development (Windows 8 apps); - Have good database knowledge (SQL Server, MySQL, SQLite etc) and ORM (Entity Framework); Feel free to contact me if you need help implementing your next idea using cutting-edge technology.

$14.99 /hr
0 hours

Kumar Shunmugavel

Kumar Shunmugavel Agency Contractor

Android Application Developer

India - Tests: 4 - Portfolio: 11

My Skills: - Java, Android SDK, Android Development Tools. - Develop innovative mobile solutions with Android, Java, Eclipse and Android Studio. - Proficient in developing Android applications from small screens to Tablet screens. - 6.5 years of Android native applications Development Experience. - Proficient in Object oriented programming in Java. - Proficient in Android UI design from small screens to Tablet screens. - Proficient in MVC pattern for Android Applications development. - Proficient in SQLite Database Administrator for mobile applications. - Created applications to support multiple international languages. I have created many apps for mobile platforms. - Android Messaging Apps - Android Mortgage Apps - Android Photo Sharing Apps - Android E-commerce Apps - Android Dating Apps - Android Quiz Apps - Android GPS Tracking Apps - Google Maps with customized markers. - GCM (Google Cloud Messaging) for push notifications. - Handled Restful webservices.

Associated with: Tresflex Consultancy Services, Allure Strategies

$9.00 /hr
0 hours