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: June 1, 2015
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  1. Bentea Lucian

    Bentea Lucian

    Senior Mobile developer

    Norway - Last active: 2 days ago - Tests: 5 - Portfolio: 3

    Hi I am a strong mobile developer who has many experience for 6+ years. Over last 6 years, I have developed many apps and games for iOS/Android. I have experience in following area: 1) Mobile App development - iPhone, iPad, Android UI design (iOS 7, iOS 8 AutoLayout) - Social Integration like Facebook, Twitter, Instagram, Pinterest - Google Map service, Geo Location - Parse framework - JSON, PHP, SQLite, CoreData - Photo/Video Editing and Sharing - Video Live Stream - Testflight 2) Mobile Game development - cocos2d, cocos2d-x, box2d, corona, Unity3D - In-App, Game Center, Leaderboard - Chartboost, Revmob, Admob, Mopub, iAd, App Lovin I am sure I can finish your project successfully. I will provide you high quality products within deadline. Let's work with us. Thank you for visiting my profile. Bentea L.

    $55.56 /hr
    425 hours
    4.98
  2. Bhavik Mehta

    Bhavik Mehta

    Android Application Developer

    India - Last active: 15 days ago - Tests: 4 - Portfolio: 1

    Hi , I am an expert Android Developer/Designer with 1 year + experience. In my career as a android developer, I have developed a wide range of application of various categories like music, education & business for industrial companies and small businesses. I have also great hand on layout design and worked with complex layouts and customization . I have integrated many 3rd party APIs like Google map API, Facebook API, Twitter Integration etc. I have also built Push Notification enabled applications My main strengths are Timely delivery, 24x7 availability to work, self-motivation, hard work and enthusiasm.

    $6.00 /hr
    0 hours
    5.00
  3. Oswald Daumiller

    Oswald Daumiller

    Senior Android Developer

    Norway - Last active: 3 months ago - Tests: 7 - Portfolio: 6

    Do you need great Android App developed with high quality and tight deadline? You came to the right place. Last 5 years I have developed various apps for Android including but not limited to social networks, clients apps for various web-based solutions, custom firmwares, complex solutions involving working with Bluetooth and USB hardware connected to android device. I always try to find the way to improve my skill in programming without impacting working performance and things to make client happy. In each project I try to use best practices to make code runs fast and let project became bigger without additional effort to rewriting parts of the application in future. My projects have a lot of technologies used: - Connection to the server and receive JSON , XML, PLIST files and .png and .jpg images. - Parse/Upload large data from/to server. - Working with camera, streaming video data, apply various effects to real-time video. - Bluetooth communications. - Connecting android devices to USB accessories. - Optimize loading big images into device memory. - Different layouts to show complex content to user. - Asynchronous work everywhere its required to load data dynamically and lets UI run data. - Animations. - Push notifications - Ads Don' hesitate to contact me any time, and lets make this word easy with quality applications. I will help you! Thanks.

    $38.89 /hr
    171 hours
    5.00
  4. Jack Matteo

    Jack Matteo

    CMS developer, Frontend/Backend designer

    Hungary - Last active: 4 months ago - Tests: 17 - Portfolio: 7

    Over the last 6 years, I have developed a wide range of websites using HTML & CSS, Java Script, PHP & MYSQL, CMS, , eCommerce, Joomla, Mambo, Shopping Carts , Zen Cart, Oscommerce, Magento, Opencart, Interspire Shopping Cart, Prestashop, Clipshare, Video Sharing Script, CRM, Boonex Dolphin, Social Engine, PHPFOX, vBulletin, Wordpress, Phpbb etc. including sites for start up companies and small businesses. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. There are also a wide range of experience in Develop any kinds of website also specially eCommerce portal, Payment gateway integration. Troubleshooting any website problem and server related issue. Linux web server setup, management, maintained, migration, troubleshooting etc. Domain, Hosting maintained migration, Name server setup, Transfer etc. Office Network technical support and management network access. Setup implement and Maintains, auto predictive dialer for call center software Call list upload, Make dial plan for inbound and outbound calling, Make call speed per second, minutes, hours and any kinds troubleshooting. I also have some lots of experience include in the following areas too: SQL, Ajax, OOP, and software design and testing, Asterisk, Call Center, Call Center Configuration, CentOS, CMS, cPanel Server, CSS, E-Commerce, Elastix, Elastix Dialer, FFmpeg Server, Flash Media Server, GoAutoDial, Java, Javascript, Joomla, JSP, Linux, Magento, Marketing, Multimedia, MySQL, osCommerce, Perl_CGI, PHP, Plesk Server, Predictive Dialer, Programming, Red5 Media Server, Tomcat Server, Script Installation, Search Engine Optimization, Server Administration, Social Networking, System Administration, VicidialNOW, Visual Basic, VoIP, Website Design, WHMCS, Wordpress, Zen Cart, Open Cart,CRM.

    $35.00 /hr
    0 hours
    5.00
  5. Joseph Delgado

    Joseph Delgado

    Sr. Email Marketing Expert | Web Developer | BigCommerce | SEO

    United States - Last active: 07/08/2014 - Tests: 3 - Portfolio: 35

    I have the experience and abilities that you're looking for. Since 2000, I have worked in web development through owning my own web services company and through acting as a sub contractor for larger firms. Most of my work has been from the ground up - from design to SEO optimization. Therefore, I have extensive experience in every aspect of designing and programming websites. Since I have experience working as a sub-contractor and as a direct-to-customer service provider, I understand your concerns about hiring someone trustworthy and personable while still being efficient and self disciplined. Bilingual English / Spanish.

    Groups: BigCommerce, BoonEx...

    $50.00 /hr
    0 hours
    4.96
  6. Marco P.

    Marco P.

    Rockstar, Full Stack Mobile App Expert - iOS, Android, API integration

    Netherlands - Last active: 1 month ago - Tests: 9 - Portfolio: 16

    Availability: Full time hard working 60+ hrs / week 5+ years experience for both of iOS, Android native app development. Published 50+ successful apps with good quality on iTunes Appstore and Google Appstore. 12+ years experience on coding and software engineering. Especially, powerful experience with Parse.com, OpenTok and GraceNote. All environment including all test devices including new iPhone6, iPhone6+ also for mobile app programming. Already experienced on developing iOS 8 apps with new Swift language and XCode6. I have already developed full iOS application from scratch by means of Swift language. Nowadays, I have checked the WatchKit for Apple Watch mobile app programming and fully ready fro developing Apple watch apps using XCode 6.2 with iOS 8.2 SDK beta. I usually works on client's time-zone, so you may contact me any time you want during interview and development. Especially, I used to work full time on US time-zone with US clients. It is my main working time. I enjoy hardworking for full-time jobs to make eye-popping perfect product with high technology and quality by means of my senior level mobile app development experience, skill, my creativity and my youth.

    $45.00 /hr
    2 hours
    5.00
  7. Lakshman singh G.

    Lakshman singh G.

    Sr. Software Developer

    India - Last active: 24 days ago - Tests: 9 - Portfolio: 3

    Over the last 3 years I have been working on • iOS/Objective-C • XMPP • SpriteKit • JSON • PHP/MySql • HTML • CSS • Javascript I have also have good amount of experience in Mobile Application too as I worked in past 1 year Seeking a position to utilize my skills and abilities in the Information Technology Industry that offers professional growth while being resourceful, innovative and flexible.

    $10.00 /hr
    22 hours
    5.00
  8. Pranav Zadafiya

    Pranav Zadafiya

    Senior Asp.net Developer (C#, MVC)

    India - Last active: 17 days ago - Tests: 1

    I am Pranav having Master degree in Computer Science, having 5 years of experience in web technologies I am proficient in ASP.NET, VB.NET ,MVC Razor syntax, HTML/CSS3 and MSSQL Server along with jquery. I am very good at ADO.NET and webservice.I am also familiar with twitter api and facebook api too. I know good javascript, i can write namespaced javascript too. I am really good at object oriented, my code is clean and commented.I am very strong at LINQ to Entity also.

    $17.78 /hr
    1,957 hours
    4.50
  9. Romesh C.

    Romesh C.

    Sr Android and iOS Developer

    India - Last active: 3 days ago - Tests: 1 - Portfolio: 5

    I am a friendly, outgoing programmer who loves working with clients who have a goal in mind and need me to achieve it. I have a strong work ethic, excellent communication (with fast response times) and a dedication to completing a project to the satisfaction of my client. Please contact me to experience my friendly, helpful nature. Ever ready to face challenges, very much motivated, enthusiastic, and ambitious for working in a high paced environment. Capable of taking multiple tasks.

    $9.99 /hr
    0 hours
    4.80
  10. Girdhari Choyal

    Girdhari Choyal Agency Contractor

    Wordpress / CodeIgniter / Squarespace / Real estate IDX / PHP

    India - Last active: 8 days ago - Tests: 8 - Portfolio: 1

    Programmer and Developer for Websites with 3 years of experience. I am proficient with the following programming and markup languages • HTML • CSS • XML • JavaScript • PHP • MySQL • AJAX • jQuery • JSON Over the past 3 years, I have developed a variety of websites which covered many areas of the IT field and the non - IT fields. I also have hands on experience in the following CMSs and eCommerce software and framework. • Magento • WordPress • Joomla • Squarespace • Drupal • Codeigniter Some more about them and skills of mine, Need help with Wordpress? I'm your man. Experienced wprdpress Developer • Everything wordpress. • Wordpress Installation • Theme installation • Theme customization • Building Custom Templates • Payment Gateways • Plugin setup • Plugin customization • HTML to Wordpress • Woocommerce • Realstate Theme • Wordpress data import • Create new pages • Manage wordpress site • Teaching Wordpress for clients who need it. WordPress / CodeIgniter & Squarespace Superuser. Have a strong knowledge of codeIgniter , WordPress and Squarespace and the functions behind the systems. If you need some projects done in the systems I can help you out at a good price. Skilled Developer for Web and wordpress . Need a Website created? I am here to help you by applying my knowledge and experience to solve your problems. And at the end you'll be amazed.

    Associated with: Acombo

    $10.00 /hr
    16 hours
    5.00