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. Prince Garg

    Prince Garg Agency Contractor

    PHP,MySql,Wordpress,Joomla,jQuery,Json,AJAX,HTML5,CSS3 developer

    India - Last active: 6 days ago - Tests: 6 - Portfolio: 3

    I am a PHP, mysql, wordpress, joomla, jQuery, json, AJAX, bootstrap, html5, css3 expert with more than 5 years of experience in the field of web programming and web designing. I believe in working hard, delivering quality work and adding new skills to my skill set continuously. Looking to work on challenging projects of my domain. I have worked on social media APIs, Google APIs & multiple payment gateways so far.

    Associated with: DotTechnologies Agency

    $14.44 /hr
    66 hours
    0.00
  2. Eric C.

    Eric C.

    D3 Data Visualization Expert

    United States - Last active: 6 days ago - Tests: 1 - Portfolio: 5

    I have 15 years of experience developing interactive web-based platforms and my extensive academic work has focused on data visualization and interface design. An expert in all things HTML5, I specialize in using D3.js to develop engaging, interactive experiences. My work history includes creating rich web applications and visualizations for Fortune 500 corporations (Ernst & Young, Abbott Labs) and world renowned universities (Case Western, Boston Univ, Tufts). My academic degree's have focused on usability and data visualization, having passed PhD qualifying exams in human computer interaction and algorithms. Whether you know exactly the type of visualization you want or just have an idea and need some guidance, clients can rest assured that I will work with them every step of the way to turn their idea into a polished product.

    $80.00 /hr
    12 hours
    0.00
  3. Anthony Hoang

    Anthony Hoang

    United States - Last active: 1 month ago - Tests: 1 - Portfolio: 3

    iOS Developer with 3 years professional experience. Experience shipping over 5 apps to the Apple App store, many of which I was the sole developer for. Have experience working with many 3rd party APIs and SDKs, some of which include, but not limited to, Facebook, Twitter, Instagram, SoundCloud, 8Tracks, Stripe, Braintree, LevelUp.

    $45.00 /hr
    0 hours
    0.00
  4. Nicolas Spessot

    Nicolas Spessot

    Software Engineer

    Argentina - Last active: 18 days ago

    Nicolas is a Systems Engineer with more than six years of experience working as a developer in software development projects focused on agile methodologies—extending over real time messaging systems, cloud solutions, database design and airlines systems—within small (3) to medium (10) interdisciplinary teams members, using a variety of technologies and programming languages such as Java, Rest APIs, CXF, Axis, Spring Framework, Web Services, Hibernate, GWT, Design Patterns, MySQL, Oracle DB, CouchBase, COMET, HTML, CSS3, Ajax, JQuery, Javascript, Git, Perforce; Nicolas inspires confidence by clearly communicating risks, blockers, new ideas, etc., and by setting real expectations from development of the product/service/project involved.

    $35.00 /hr
    0 hours
    0.00
  5. Dan Wheeler

    Dan Wheeler

    United States - Last active: 2 months ago - Portfolio: 1

    I am a results-driven and highly energetic Senior Software Developer with over 14 years of experience in designing and developing mobile, desktop, and web-based applications specializing in the Geographic Information Systems (GIS) space. I offers extensive software development knowledge for all levels of the web stack in multi-tier applications. Working directly with clients in a fast-paced global environment and across diverse industries, I demonstrates strong communication skills, leads multiple project responsibilities, and influences senior management and project teams to deliver profitable solutions. As a freelance iOS developer, I deliver unique products and client-focused solutions to the market while building strong partnerships, offering technical expertise, and maintaining client satisfaction.

    $95.00 /hr
    0 hours
    0.00
  6. Bhaumik Mehta

    Bhaumik Mehta

    Front End Developer

    United States - Last active: 23 days ago - Tests: 3 - Portfolio: 4

    Front End/UI Developer with more than 7+ years of extensive experience in developing web applications using Web technologies PERSONAL INTRODUCTION • I am a very friendly guy who gets along with everyone’ • I am even tempered, a team player, and very honest, and I like to go above & beyond what is required of me • I am comfortable working alone, as well as with part of a team. • I am able to prioritize well, and can juggle various tasks simultaneously. • My real strength is my attention to detail. I pride myself on my reputation for following through and meeting deadlines. When I commit to doing something, I make sure it gets done, and on time. EDUCATION • Bachelor of Computer Application. SUMMARY OF QUALIFICATIONS: • 7+ years of experience in full Software Development Life Cycle (SDLC) that includes Analyzing, Coding, implementation & Production Support. • 7 years of developing experience using web technologies such as HTML, HTML5, JavaScript, and CSS. • 6+ years of experience using JavaScript frameworks like JQuery. • 4+ years of experience with AJAX technology using JSON. • 3+ years of experience with Bootstrap framework. • 6+ years of experience designing and building public facing Websites. • 2+ Years Web 2.0 application development experience. • Experience with Web 2.0 User Interfaces; W3C standards and specifications, and user-centered design principles • Extensive experience in using Dream Weaver, Net Beans IDE, Eclipse IDE, APEX, Sublime Text, Notepad++ and Microsoft Front Page. • Working knowledge of ASP.NET with C# and MS SQL with LINQ. • Working knowledge of PHP with MYSQL using MYSQLi. • Experience in working with clients on-site, analyzing software requirements and developing solutions and procedures. SUMMARY OF EXPERIENCE • I have 7 years’ experience working as a front end UI developer, for various firms and industries • I have utilized many different UI tools and languages including: HTML, CSS, JavaScript and AJAX • I have experience creating widgets, mockups, and prototypes, which all helped to enhance client websites. • I have experience developing client and intranet based applications using best UI standards and technologies, involving the Full software development life cycle.

    $40.00 /hr
    0 hours
    0.00
  7. Yuri Cheryshev

    Yuri Cheryshev

    iOS/Android/Web/Parse/AWS Expert

    Russia - Last active: 20 hours ago - Tests: 5 - Portfolio: 6

    Over the last 5 years, I have developed a wide range of mobile apps for both mobile and web platforms including small projects for startup companies and big projects for rising businesses. My core competency lies in all kind of services needed in mobile app and web development including design and wireframing and publishing, and I am seeking long term relationship for successful projects. I'm available full time for the work including the weekend. You can expect highly responsive service. My experiences & skills : ★ iOS programming (iOS 6.0 and above) ★ Android programming (Android 2.1 ~ Android 5.0 ) ★ Photo and camera app for mobile. ★ Database management with SQLite, MySQL. ★ Google Map, GPS, GEO location Service. ★ Integrate REST API, JSON/XML parsing ★ Push notification. ★ Design UI/UX and custom UI component for Android ★ Barcode and QR code Reader. ★ Emoji Application ★ Integrating Social Network (Facebook, Twitter, Instagram, Google+, Flickr) ★ In-app purchase, iAd, Admob, Revmob, BeachFront, Chartboot ★ Integrating Analyse tool in App (Flurry, Google Analytics) ★ Integrating Tracking crashes tool in App (Crashlytics) ★ Delivery binary for App with TestFlight App. ★ Source code management for GitHub, Mercurial, Bitbucket ★ Submit App to Google Play and AppStore. ★ Web development based on PHP, ASP.NET, Javascript, Jquery ★ Web Framework including Laravel, Codeigniter, CakePHP ★ Wordpress, Joomla, Drupal, Magento

    $50.00 /hr
    0 hours
    0.00
  8. Ryan H.

    Ryan H.

    Expert iOS Developer & UI/UX Designer

    Germany - Last active: 20 hours ago - Tests: 2 - Portfolio: 5

    I am an iOS developer with experience in UI/UX design. I have published multiple successful apps in the App Store and have had my apps featured/mentioned in prominent print media and web properties such as The New York Times, Orbitz, The Next Web and Philadelphia Magazine. I generally write all apps in Swift, although I can revert back to Objective-C if necessary. I have extensive API integration experience with Parse, Dropbox, TripIt and various weather platforms. I am very experienced in navigating the rules and protocols of the App Store for new applications as well as updating existing ones. Thanks for having a look and please be sure to check out my existing apps and my portfolio of work.

    $52.00 /hr
    0 hours
    0.00
  9. Andrey Vlassov

    Andrey Vlassov

    Talented Full-Stack iOS developer - Objective-C and Swift

    Russia - Last active: 2 days ago - Tests: 11 - Portfolio: 10

    Hello Sir . Many thanks for your consideration about me. I am Andrey Vlassov, I have 6 years of experience in both web and mobile software development. My current main area of interests is iOS/Android application development. I have Four years of experience in creating big and complex iOS projects for Real-Estate and E-Commerce shopping style (6 apps implemented so far). I am a self-motivated, self-starter mobile developer. I am a new beginnings of freelancers, but very experienced in mobile app development. I have been delivering great products to many other clients based on their requirements. many of them archived great download on apple store and fulfilled their objective perfectly. If you want to check if this is truth please contact me for more details. What you think is what you get. As long as you give me a change, I can build Instagram app or Zillow and eBay app even better than them. I can corroborate it to build awesome result by: 1: You brilliant idea and watertight marketing. 2: The quality of my work. My major expertise is : 1: Native iOS/Android app development based on objective-c/iOS SDK or Java/Android SDK. 2: Web service development for social networking apps or database manipulation. Device Condition : (I have enough devices for mobile development) - iOS Devices iPhone4/4s, iPhone5, iPad, iPhone6 - Android Device Android, Android Tablet. I provide daily or weekly report for any projects to let you know the status of the project. I use by Jira, Trello, Pivotal and BaseCamp tracker for project management and Git, SVN, Bitbucket for source code management. If you hire me, I will prove my skills and experiences within 1 or 2 days so that you can be confident that you hired a right guy. I look forward to work on your projects. Thanks for your reading this profile kindly. Andrey Vlassov.

    $55.56 /hr
    0 hours
    0.00