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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: August 1, 2015
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  1. Thanh dinh hong

    Thanh dinh hong

    Mobile developer

    Vietnam - Last active: 3 days ago

    I have extensive experience in mobile development and I have been working in this field for over 3 years. If you want a long term relationship and the very best mobile solutions, just try working with me. My main skills: - Mobile Device Management for all platforms - Entertainment Apps - Social Networking Apps - Client + Server Apps - SNS(Facebook, Twitter, Linked In, Youtube, Google+ and Instagram etc.) integration - Cloud(Dropbox, Box and SkyDrive etc.) integration-Google Map & Geolocation & GPS-Web APIs & Parser & Backend Mobile App - Video/Audio Streaming - Almost Ad service such as admob, adwhirl ,etc. - Push Notification for all platforms Charles.

    $11.11 /hr
    0 hours
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  2. Vikas Mane

    Vikas Mane

    Expert in C#, ASP.NET, MVC, Web API

    India - Last active: 1 month ago - Tests: 2 - Portfolio: 8

    I have 12 years of experience in developing Desktop/Web applications. I am expert in Deployment, Troubleshooting at Client server, Data Migration, Fix issues at Client end. My Skills Sets includes the following: • .NET Framework 4.5, 4.0, 3.5, 3.0, and 2.0 • ASP.Net • C# and VB.NET • MVC 4.0 • LINQ • JavaScript, AJAX, JQuery, JSON, HTML5, CSS • Windows Presentation Foundation (WPF) • Windows Communication Foundation (WCF) Environment: • Visual Studio 2013, 2012, 2010 • SQL Server 2008, 2005 Team Work: • Team Foundation Server -Available more than 30 hours in a week -Available on Skype Full Time

    $8.89 /hr
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  3. Scott Kersey

    Scott Kersey

    Senior C#/MVC Developer

    United States - Last active: 1 month ago - Tests: 1 - Portfolio: 2

    I'm a senior C#/MVC/SQL developer with extensive experience across a broad range of different industries. If you are looking for a "Say what you do, do what you say" type of resource, who also happens to love sharing their knowledge with others, I'm the guy. In my freelancing career, the average age of those relationships is 8+ years. Everyone respects that I appreciate the business side (processes and people) as much as I do the technical side. I look forward to hearing about your project and how I can help!

    $75.00 /hr
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  4. Sergiu Pasca

    Sergiu Pasca

    iPhone & Android Application Developer + PHP Back-end API & Website

    Romania - Last active: 10 days ago - Tests: 3 - Portfolio: 8

    Talented Mobile Application Developer, who has a lot of experiences in Dating app, Chatting app, In-app Payment app and other Social Networking app. Here's the list which will be present my experiences : 1. 7 years of experiences in Software Development and over 4 years in Mobile Application Development 2. Native iPhone application development (iOS 4.0 - 8.3 and Swift 1.2 - 2.0) 3. Native Android application development (Android 2.2 - 5.1) 4. High-skill in Google Map, Parse, Amazon, Facebook, Twitter, Instagram, Vine, Youtube, Google+, Dropbox, Flickr, BLE, Geo-location implementation 5. Photo, Video, Audio manipulation including multiple effects (Slow motion, Trim, Square, Compress and so on) 6. Many experiences in JIRA, Github, Bitbucket, Trello, Basecamp, SVN and so on 7. Analytics and Crash Track (Crashlytics, Apple, Testflight) 8. Responsible communication and Hard-working for 50+ hours per week 9. Timely delivery and High-quality ... Here's the list which I mastered : GPUImage, OpenGL, AVFoundation, SQLite, CoreData, Realm, Revmob, iAd, AdMob, Chartboost, AppSalary, Applovin, IAP, IAB, ... I'm ready all the time, you can contact me at any time. Kind regards, Sergiu Pasca

    $50.00 /hr
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  5. Bharti Sharma

    Bharti Sharma

    C#, Asp.Net, MVC, HTML5, JavaScript, MSSQL, WCF, Architect, ERP, EDI

    India - Last active: 1 month ago - Tests: 3

    I have expertise in Asp.Net MVC,C#, VB.net, HTML5, CSS3, JavaScript, JQuery,JSON, REST, AJAX, Web Services (SOAP & RESTful), MS SQL Server, MySQL, Crystal Reports and EDI - I am also expert in XML, PL/SQL, TSQL, LINQ, ADO.Net, Entity Framework, Unity Framework, Castle Windsor, TFS, SVN, Github, Visual Basic 6, Oracle Database, Facebook and Twitter API, Paypal and Authorize.Net

    $8.00 /hr
    0 hours
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  6. Siddharth Paul

    Siddharth Paul

    Senior Software Developer

    India - Last active: 1 month ago

    Performance-driven Senior Software Engineer (SCJP Certified), having sounding experience in design, development, testing and implementation of web-based applications supporting worldwide users. A technocrat as an individual and an outstanding team member consistently delivering projects on or before time and thriving in challenging & rapid learning environments. Self-starter with ability to excel under minimal directions. Excels in collaborative as well as leadership roles.Exceptional attention to detail, speed and accuracy. Communicated effectively from onsite professionals to boardroom with excellent presentation skills. Embraces a ”continuous improvement” approach throughout daily tasks. • Self starter under minimal guidance, • Creative problem solving, • High attention to details, • Analytical & Organised, • Speed and accuracy, • Strong written & oral communications In-depth experience in developing highly integrated web application in J2EE. Direct experience in Spring, Hibernate,REST API, Webservices, Interwoven Teamsite which includes developing logics using Form Publisher, FormAPI, Workflow Modeler. Interested in challenging projects with untold complexity helping me to become more informative.

    $10.00 /hr
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  7. kishan kant kataria

    kishan kant kataria

    Android Developer

    India - Last active: 22 days ago

    It has been more than 1 year when I started Computer Programming. I have excellent programming skills as well as great understanding of programming concepts. I have worked on many programming languages. As concern of programming languages, I have worked on following languages- C Language, C++,Android ,PHP, Java, JavaScript, CSS, HTML I have also worked on Database Management in MySQL, SQLite, Core Data. In concern of IDEs, I have worked on Eclipse, Dreamviewer, Apart from this, I have excellent communication skills to present my view. I also believe in managing client relation and to organize a team to work with which supports in achieving goals.

    $3.33 /hr
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  8. Shahanur Rahmann

    Shahanur Rahmann

    iOS Developer / Unity3D Developer

    Bangladesh - Last active: 27 days ago - Portfolio: 5

    I have been developing apps & games on mobile platforms for last 4 years. I have expertise to create cross platform games using Unity3d & Cocos2d framework. I have experience to develop applications for iPhone & iPad. I have knowledge in following technologies: - Xcode (iPhone & iPad apps development) - Unity3D (Web, Android, iOS) - NGUI, Infinite runner starter pack, 2D Toolkit, Unity2D, Cocos2d, - iOS and Android In-App Purchase integration (using Prime31 plugins). - Ad networks integration (ChartBoost, AdMob), social sharing (Twitter, Facebook). - Flurry, Flurry Analytics, GameCenter, Google Play Game Services & Multiplayer, Kamcode, - SmartFoxServer.

    $12.00 /hr
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  9. Sergey Chechikov

    Sergey Chechikov

    Expert Mobile Developer *** iOS / Android ***

    Ukraine - Last active: 2 days ago - Tests: 7

    An agile and ambitious software engineer with strong technical background who possesses self-discipline, hardworking, quick learning, good team spirit and honesty. I have almost 5 years of experience in objective-c (iOS) and 3 years in android (java) development where almost all of them I've worked on commercial products. Over the past years, I have developed a wide range of native mobile apps for Android (Mobile, Tablet) & iOS (iPhone, iPad, Apple Watch) platform . Good knowledge of Mobile UI patterns, guidelines., low-level performance optimizations and memory management. I not only know how to make an application work, but also know how to make it work fast and smoothly. Following are my achievements & skills ✔ Android: Java, C++, JNI, NDK (Mobile & Tablet) ✔ iOS: Swift, Objective-C, Cocoa-Touch (iPhone, iPad & Apple Watch) ✔ Payment Gateway: PayPal, Braintree & In-App Purchases ✔ 3rd party APIs like Facebook, Twitter, Linkedin, Instagram, Youtube, Pinterest, Foursquare ✔ Google Map, Geolocation, GPS, Open Street Maps, Navigation ✔ Ad platforms: iAd, Adwirl, Revmob, Admob, Chartboost, Tapjoy, Flurry, Testflight ✔ Speech recognition, text-to-speech, Siri, OpenEar ✔ Video/audio/image processing: OpenCV, Pitch Control Other expertise: ✔ JIRA, Github, BitBucket, SVN, GitLab Test devices: ★ NEXUS 5 ★ SAMSUNG Galaxy TAB 2 ★ SAMSUNG Galaxy Nexus i9250 ★ HTC Desire ★ SONY Xperia Z3 ★ iPhone 4s ★ iPad Mini Retina I will provide You: • Top Quality • Highest Skills • Constant Availability • I always stick to deadlines, • I always deliver, • I have an excellent communication skills, • I'm almost always available for clients via Skype, • I have a stable internet connection, • I care about clients satisfaction,

    $33.33 /hr
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  10. Liu Min

    Liu Min

    iOS and Android Developer

    Hong Kong - Last active: 10 days ago - Tests: 2 - Portfolio: 5

    Hello, Everyone! Thanks for visiting my profile. I'm Mobile developer from Hong Kong. I have got about 7 years of mobile app development experiences. Especially i have a lot of experiences in Php, Objective C and Ruby . Providing 16 / 7 service with detail-oriented professional with a vast knowledge of software, framework and strong leadership skills seeking to well-versed in structuring, developing and implementing interactive mobile & web solutions, assisting clients in all troubleshooting endeavors. Expertise: - Mobile app development (iOS, Android apps) - Web Applications(Zend, Wordpress, drupal etc) - Mobile Backend development (Parse, Google-app engine, CMS, REST/SOAP API, XML/JSON, ...) - App Marketing (apple store, google store, amazon) Experience: (Have developed 100+ mobile apps of following categories) - Social networking: Like & Share, SocialNightlife, Dating (tinder style) service, Events management, Messaging services - Finance & Business: Card reader, Budget management, Stock chart, Currency Converter, - Health & Fitness: Fitness training, Running, Bodybuilding, Health Training for women, WeightLoss, - Photo & Video: Instagram, Photo-booth style, Greeting card, Frame & Caption - Catalogues: Real-estate, Hotel & Flight, Food & Recipe booking, - Geo location navigation: Travel, Find near - Education: Language learn, Storybooks, Game for Kids - Lifestyle: Fashion & Shopping, Food Delivery - Medical: Health care, Medical service - Health & Fitness: Workout, Bodybuilding Training, - Cinema, Music, Radio, TV, Streaming apps - News, Sports, Travel, Weather, Magazine apps - Maintenance and Updating service of existing mobile apps My skill-set: - WordPress: WooCommerce, BuddyPress, bbPress, Genesis, OptimizePress, ClassiPress, Thesis, PageLines, Gravity Forms - PHP Framework: CodeIgniter, Laravel, CakePHP, Yii - PHP CMS: Drupal, Joomla, Magento - e-Commerce: Woocommerce, Magento, Prestashop, OpenCart, Shopify, BigCommerce, Spree - Front-end: HTML5, CSS3, SASS/LESS, Bootstrap, Javascript, jQuery, Angular, Backbone, Ember - Node: Express, Meteor, Sails - Ruby: Ruby on Rails, Sinatra, Spree, RSpec - Version Control: SVN, Git, GitHub, Bitbucket Top QoS, 100% Reliability, Full-time Availability -Delivering top quality with professional service -Always work with creativity and fast paced development -Devoting full time, since this is my full time position. I have skills in the following areas: objective c, xcode, cocoa, cocos-2d, twilio, storyboard, core-java, javascript, j2me, swift, NDK, eclipse, ios8, keyboard framework, ios-development, iphone-app-development, ipad-app-development, cms, iphone-ui-design, ipad-ui-design, mobile-app-development, android-app-development, iphone-ui-design, ipad-ui-design, location-based, food & recipe, real-esate, restaurant, cms, hotel-flight booking, nurturion, health-care, fitness, photo editing, video editing, social sharing, messaging, dating, timer/reminder app-development, ibeacon, github, cms, basecamp, xmpp, streaming(wowza), parse, aviary, gpu, in-app purchase, gps, cms, amazon, xml/json, rest/soap, facebook, twitter, instagram, youtube, vuforia, icloud, iAd, adwhirl, revmob, flurry, paypal, stripe I will provide you Fresh and High Quality Development. Thanks. Liu Min

    $55.56 /hr
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