json Freelancers

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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, 126 json projects are completed every quarter on Upwork.

126

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: May 1, 2015
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  1. Cristian c. H.

    C# .Net Programmer with experience in MVC,Web-API,AngularJS,Bootstrap

    Romania - Last active: 07/24/2013 - Tests: 1 - Portfolio: 7

    I've been working in the IT development for the past 5 years. Over the last 2 years am working with C# and .Net technologies using MVC and Web-API frameworks for different sites and applications. On the database side I'm using for all projects either Microsoft SQL Server either MongoDB or MySQL. On the client side I have good experience with HTML5, Javascript, AngularJS and Bootstrap (2.x and 3.x). I also have some experience with WPF, w or w/o MVVM framework.

    $37.00 /hr
    46 hours
    4.87
  2. Johanne Hansen

    Johanne Hansen

    iOS & Social & XMPP Professional

    Norway - Last active: 13 days ago - Tests: 9

    " Quality Service within deadline " I've got more than 9 years in IT. I've learned professional education and have got plenty experience. Especially I'm an expert in iOS development, social platforms' api, XMPP and WebRTC. I've developed more than 40 apps. I develop in a professional way, not amateurish. I guarantee the quality of my work. I take serious view of communication and will provide you daily update for the project. If you are looking for professional developer for your app, then I'm the one. My key skills and abilities include + iOS programming languages (X-code, Swift, Objective-C) + iOS SDK (Foundation, UIKit, Core Data,AVFoundation, MoviePlayer,Quartz Core,Core Animation, etc) + Various social platform and their api including Facebook, instagram, twitter, etc. + Text messaging and video/voice chatting - XMPP, OpenTok, Pusher, APN + Networking framework - AFNetworking, Web RTC, Socket.io TCP/IP + Map integration(GPS Location) / Google Map API, MapKit Framework + e-Commerce payment system - Paypal, Authorize.net, Stripe, Saleforce, card.io + ad serving or ad network SDKs (iAds, Google admob, etc) + Web service develop and integrating - JSON RESTful API, Parse.com, Node.js, Ruby, Mean + Various library development using C/C++ + Team Work - SVN, GitHub, Bitbucket

    $50.00 /hr
    10 hours
    5.00
  3. Atif Majeed

    Atif Majeed

    Creative UI/UX/GUI Designer & Front End Developer

    Pakistan - Last active: 1 day ago - Tests: 9 - Portfolio: 25

    I am good in Web development, Designing, PSD Web Template Making, PSD to HTML(HTML5+CSS3 with cross browser capability) Photoshop Editing and Data Entry.(7 years of experience in Adobe Photoshop+Adobe Illustrator) I am well intimate with Prestashop platform for custom websites, themes & modules development. I have expertise in handling big projects in Prestashop and developing custom / complex sites & modules. I have delivered high quality work to my clients in timely manner

    $10.00 /hr
    176 hours
    4.94
  4. Mira Kotadiya

    Mira Kotadiya Agency Contractor

    iPhone/Android App Developer

    India - Last active: 2 days ago - Tests: 4

    Over the last 2.5 year, I have developed a wide range of application of iPhone and android side for startup companies and small businesses. My core competency lies complete end-end management of a new application development, and i am seeking opportunities to build application from the ground up for you or your business. I also have some experience in the following areas : iOS and android App development, Geo location based app, Chat messaging app, In app purchase, all type of web services, My Sql,SQLite, PHP

    Associated with: iSquare infoTech

    $8.00 /hr
    256 hours
    4.96
  5. Mukesh Suvagia

    Mukesh Suvagia Agency Contractor

    iPhone/Android App Developer

    India - Last active: 11 days ago - Tests: 4 - Portfolio: 1

    Thank you for visiting my profile! To ensure highest quality and to save time for jobs is my goal and pleasure. I'm a developer who are working for clients but I am very interest in success of products that i have developed. My experience for development areas is follows: - iOS development - Geo location based apps - Social Media Integration - In App Purchase - MySQL, SQLite, PHP, JSON - iAd, Revmob, Admob, Chartboost, Tapjoy, Flurry

    Associated with: iSquare infoTech

    $7.00 /hr
    376 hours
    4.87
  6. JOHN FUENTES

    JOHN FUENTES

    Edit headlineComputer Enginner -Software Developer (web - mobile)

    Venezuela - Last active: 3 months ago

    I am a versatile, hands-on developer with over 5 years’ experience working on a variety of projects from conception to delivery. I am conversant in a wide range of technologies - most notably WEB, SQL and MOBILE - and follow the latest industry trends with great interest. My approach is methodical but creative, and I always look to code to the highest standards possible. I am a confident...

    $5.56 /hr
    3,167 hours
    4.01
  7. Rajni S.

    Rajni S.

    Senior Asp.Net,MVC,PHP,WordPress,MySql,Sql Server,Javascript,jquery

    India - Last active: 2 days ago - Tests: 11

    ► All 4.00 ★★★★ Ratings ► 100% Satisfied Clients Over the last 4 years, I have developed a wide range of websites using ASP.NET, C#, VB, MVC, MS SQL, Javascript, JQuery, Ext-Js, Telerik, Dev-Express, AJAX, SOAP, XML including sites for startup companies and small businesses. Client's 100% satisfaction is everything for me. I'have given highest priority to quality and delivery / 100% satisfaction. My overall experience includes web design-development & implementation of database driven application using ASP, ASP.NET, C#.Net, VB.Net, Sitefinity, DNN and SQL Server on windows platform & web platform.

    $4.50 /hr
    15 hours
    4.00
  8. Trilochan Das Agency Contractor

    Sr. iOS (iPhone | iPad) + Android App Developer

    India - Last active: 1 month ago - Tests: 4 - Portfolio: 2

    Hi Everyone, Thank you for visiting my profile. I'm a professional mobile app developer from India. Career Highlights: ============= Created 15+ user-friendly, aesthetically pleasing and fully functional applications for Android and iOS Known for writing efficient, maintainable and reusable code that preserves privacy and security. Proficient in object-oriented design, data structures, problem solving, complexity analysis, and debugging. Expert in the interaction between various devices and different versions of Android and iOS. Regarded as a self-motivated and well organized team player. Provided oversight and mentorship to a small team of developers OPERATING SYSTEMS iOS, Mac OS X, Android SDK, Linux, Unix Mobile device platform: ================== ✔ iPhone 6 plus, iPhone 6, iPhone 5s, iPhone 5c, iPhone5, iPhone4s ✔ iPad Air, iPad4, iPad3, iPad mini ✔ Google Nexus 5, Samsung Galaxy S5, S4, S3, HTC One TOOLS AND TECHNOLOGIES: ======================== iOS SDK, Xcode, Android SDK, Core Graphics, Core Animation, Core Data, Eclipse, .NET, MFC, Gnu C/C++, QuickDraw, QuickTime, OpenGL, OMF, Core Image, Social, System Configuration, Core Video, Core Audio, Foundation, UIKit, FileZilla, Parse, AWS, Twilio, Mailgun, Mandrill, Strip, Paypal, BrainTree LANGUAGES Objective-C, C/C++, Java, JavaScript, C#, PHP, MySQL, Eclipse IDE Soft Skills Communications, Organization, Sense of urgency, Leadership, Fiscal responsibility I have created many iPhone/iPad(iOS) and Android apps using Web services such as PHP, MySQL, HTML5, CSS, etc at different scales for mobile app. I am always open to exploring and creating new mobile app and awesome stuff. I’ve rich experiences in iOS8 app development as well so please contact me if you need to make new iOS8 application or need to update the app to iOS8. I am seeking opportunities to build large mobile projects from the ground up for you or your business but any small projects are welcome. If you feel I'm a good fit who you are looking for, please don't hesitate to contact me. Cheers, Trilochan Das

    Associated with: WA Infotech

    $11.00 /hr
    521 hours
    4.82