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, 118 json projects are completed every quarter on Upwork.

118

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: July 1, 2015
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  1. Anton Myagotin

    Anton Myagotin

    Scientific programming

    Russia - Last active: 1 month ago

    Anton Myagotin was born on 27 September 1979 in Khabarovsk (Russia). He received the Dipl. Ing. degree in electrical engineer-ing in 2002 from the Khabarovsk State Technical University (Russia). He received the master degree in computer science in 2003 from the Saarbrücken University (Germany). From 2003 to 2006, he was a PhD student at Saarbrücken University (Germany). From 2006 to 2008, he was a lecturer in the Russian-German Institute of Computer Science at the Pacific State University (Russia). He received the PhD degree in the field of informational, measuring and control systems in 2011 from Institute of Mechanical Engineering Problems (Russian Academy of Science). Now, he is a dean of foreign student educational programs at the Saint-Petersburg State University of Civil Aviation. His research interests include signal and image processing, foam physics and parallel reconstruction algorithms.

    $38.00 /hr
    1 hours
    4.98
  2. Cristian c. H.

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

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

    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
  3. Peter van der Meijs

    Peter van der Meijs

    Applications using Angular, jQuery, PHP, Bootstrap

    Nicaragua - Last active: 3 days ago

    I am an expert in translating your problems/requirements into quality solutions. I love challenges and am used to think outside the box. Especially in the last 15 years I have done a lot of application development. I now use HTML, CSS, PHP, JavaScript, jQuery, jQuery Mobile, Bootstrap, AngularJS , AJAX and SQL (MySQL) to make dynamic web applications. I can make a Google Map for your website, and charts with Chart.js. In the past I have used other programming languages as well, including C and Python. I am fluent in Dutch, English and Spanish. I am on Skype and my working hours are flexible. I have the Dutch nationality, but am now a Nicaraguan resident. Besides working on web applications I rent vehicles out of beautiful Granada. I have over 30 years of working experience, the last 10 years in the Netherlands as a management consultant. As a consultant I have learned the importance of understandable communication. I have an engineering background with an MBA.

    $20.00 /hr
    31 hours
    4.68
  4. Johanne Hansen

    Johanne Hansen

    iOS & Social & XMPP Professional

    Norway - Last active: 15 days ago - Tests: 9 - Portfolio: 1

    " 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. 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
  5. Alexander Pronin

    Alexander Pronin Agency Contractor

    Expert in Mobile Application Development and Project Management

    Ukraine - Last active: 4 days ago - Tests: 4 - Portfolio: 12

    Region IT company is the team of professionals whose passion is mobile applications. We are experts in Android and iOS apps development and UI design. This is what distinguishes us from others: R — reliability and privacy. E — experience (more then 15 projects during 2 years). G — goal of an project that is common with our partner. I — intelligent managers. O — opportunity of work in terms of fixed price, T&M projects and outstaffing. N — nice rates. I — innovative vision in a work. T — talented team of skilled specialists. We would like to offer you a collaboration on: • Android application development; • iOS application development; • testing of web and mobile applications; • design and UI/UX development; • .NET development.

    Associated with: Region IT

    $18.00 /hr
    341 hours
    5.00
  6. JOHN FUENTES

    JOHN FUENTES

    Edit headlineComputer Enginner -Software Developer (web - mobile)

    Venezuela - Last active: 15 days ago - Portfolio: 3

    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. Jasim Ali Khan

    Jasim Ali Khan

    PHP,MySql, CodeIgniter, Laravel, Cakephp,Wordpress, Ajax, jQuery, JSON

    Pakistan - Last active: 1 month ago - Tests: 2 - Portfolio: 14

    I'm a freelance Web Developer / Designer for 5 years. My best asset is that i'm multi-purpose. I can respond to a lot of demands, concerning web in his all aspects and also admin support and windows issues. I have a large panel of skills for web programming and webmastering, especially PHP, CodeIgniter, laravel, WordPress,Xataface, Jquery and HTML with CSS. I drive my customers projects from end to end (administration, developpement, design, content, formation and so on). I'm particularly skilled for fixing issues for website for a large panel of languages and tools (CMS & other). I'm also qualified for windows admin support and office work as well. I have a full respect for my work, i do it quick, clear and polished. I'm available full-time a day (all day long connected on skype). I'm open for propositions that correspond to my skills and so on.

    $10.00 /hr
    0 hours
    4.98
  8. Dmitry Kazakov

    Dmitry Kazakov

    Android developer

    Russia - Last active: 1 month ago - Tests: 3 - Portfolio: 11

    Dear Client, My name is Dmitry, I am software engineer with focus on Android development. I have been developing Android applications for a five years -- it is big enough for young technology such as Android. I got this experience working in software outsourcing company when I had finished my Master degree at the Voronezh State University. I am goal oriented and deeply believe in mutual trust and respect relationships between people. Here what my clients and colleges says about me: "Dmitry is a rare breed and surely stands out in his detailed understanding of Android application development process and components..selfless in his approach he makes an excellent team player . I highly recommend Dmitry and look forward to working with him again." S Koundinya, Director –Client Relationship ,Methodology & Operations at Riskmatics https://www.linkedin.com/pub/s-koundinya/38/bb8/421 "To whom it may concern, Dmitry Kazakov is a very detail oriented, experienced software engineer. Dmitry was essential to improve our TeleRetail Platform. We therefore can recommend Dmitry for any software development project and we hope to be able to work with him again in the not too distant future. " Torsten Scholl, President, CEO, TeleRetail Corporation. Investor https://www.linkedin.com/in/torstenscholl "Having worked with Dmitry on various Android development projects, I can say that the quality of his work is excellent, his commitment outstanding and his knowledge and initiative bring value to every project." Florian Kriechbaumer, Product Development Director at iRiS Software Systems Ltd https://ae.linkedin.com/in/floriank "Dmitry is very enthusiastic developer passionate for learning new technologies and improving his skills. He always feels responsibility for the work he's tasked with and makes his best to make it in time and with great quality. He is also contributing to teaching young students about android development." Alexander Osmanov, Android Developer at Spotify https://se.linkedin.com/pub/alexander-osmanov/30/4a7/52a A short summary of my experience: - develop applications for Android since 2010 - more than 10 completed projects - takes roles of senior developer\technical leader and project manager - organize events such as Android school, speaker on events of technical groups Domain expertize: travel, telematics, e-learning Provide full-cycle software development for Android smartphones & tablets, wearables and Android TV: - requirements gathering and business analysis - software project advisory - lead, design, develop and implement new functionality of product - manage, coordinate and control the Team - manage change requests, demo and acceptance phase I also help my clients with introduction to Russian based talents with great engineering skills and reasonable costs attractive for offshore development. Please feel free to contact me if you are interested in any of my service. Here is more details about me and my experience ru.linkedin.com/pub/dmitry-kazakov/26/618/979/en and some of my apps which are not under NDA: https://play.google.com/store/apps/details?id=com.geogame.event https://play.google.com/store/apps/details?id=com.conducivetech.android.traveler.

    $24.44 /hr
    0 hours
    5.00
  9. Mira Kotadiya

    Mira Kotadiya Agency Contractor

    iPhone/Android App Developer

    India - Last active: 11 days ago - Tests: 4 - Portfolio: 13

    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
    331 hours
    4.96