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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, 122 json projects are completed every quarter on Upwork.

122

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 4.67.

4.67
Last updated: August 1, 2015
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  1. Gurpreet S.

    Gurpreet S.

    Android | Iphone | Ipad Application Developer

    India - Last active: 2 months ago - Tests: 1 - Portfolio: 6

    I am experienced android/ios developer with 2+ years of experience as well as a team leader .I have developed a variety of apps for various clients. My team includes - iOS developer with 2.5+ year experience - Web developer with 4+ year experience(php,.net) - Android developer (me) 2+ year experience. - UX/ UI designer with 3+ year experience (web-design, graphics design, logo design) If you want qualitative work, timely delivery, long term engagement then I am the person whom you are looking for. Expert in error / bug solving for android / iOS. And have a great experience dealing with In-App purchase, push notification, cloud storage, Google map, gps, geo location service, web-services, APIs, social media integration, ad networks, uploading apps to itunes store and play store. SERVICE DESCRIPTION Android development Range of our Android applications can be seen across areas like :- a) Audio/video recording and video comparison b) Integration with Social Media (Facebook/Foursquare/Gowalla/Twitter/YouTube) c)All kind of parsing XML,JSON,SOAP,Feed...etc. d) Instant Push notification (GCM,c2dm, Urbarn airpush, Parse...) e)AdMob, iAd, adWhirl, Revmob, Tapjoy, Startapp Mopub, Chartboost integration f) GPS and Location frameworks g) Custom Animations h) Bar code scanner, QR Code scanner i) PDF: MuPDF library j) Download | Upload data to server (Text,Images,Video...etc) Iphone app development a) Native iPhone/iPad functionality for audio/video recording and video comparison. b) Integration with Social Media (Facebook/Foursquare/Gowalla/Twitter/YouTube) c) Integration with REST/XML based web services. d) Gaming e) iOS SDK and Objective C f) XCode and Interface Builder g) Instruments Testing and Memory Leak prevention h) OpenGL and Open AL i) Audio Video Foundation Framework and Queues Management j) Media Player Framework k) Quartz and Core Animation l) GPS and Location frameworks Web Design & Development a) Complete website development b) Responsive website design c) Ecommerce websites d) Webservice development e) CMS F) Parralex design g) ERP solutions Graphics design a) UX/ UI designing b) Logo design

    $16.67 /hr
    2 hours
    5.00
  2. Ayoub M.

    Ayoub M.

    Mobile Application developer / Android

    Egypt - Last active: 1 month ago - Tests: 3 - Portfolio: 6

    i'm join to Odesk looking for a job position to pursue my career in a work environment that will utilize and reinforce my technical skills and abilities and also to apply and gain new cutting edge skills and experience in a rapidly changing field.

    $5.00 /hr
    0 hours
    5.00
  3. Josh S.

    Expert software developer and marketer

    United States - Last active: 2 days ago

    I've been a software engineer for 13 years now and an internet marketer for 6. When it comes to software I specialize in web scraping, website automation, design, optimization and scalability, API Hooking, proxies, reverse engineering, cryptography, networking, databases, security, compression, mobile apps, and web design. For marketing I specialize in SEO, social networking, content generation, gorilla marketing, and brand recognition. I strive for excellence and look forward to working with you! To turn your vision into reality.

    $3.00 /hr
    0 hours
    4.93
  4. Kashif Akhtar

    Kashif Akhtar

    Software engineer, Web Developer , Web Programer

    Pakistan - Last active: 4 days ago - Tests: 4 - Portfolio: 2

    Highly-motivated professional in analyzing business systems, system and network infrastructure designing, application management, having strategic vision of enterprise solutions with comprehensive understanding of ICT strategies and introduction/implementation of new technologies. Performing comprehensive studies and analysis of latest tools & technologies, to customize/modify them and making recommendations for revising existing processes & systems or adapting new applications for data processing solutions. Implementation of project management system & methodologies. Excellent experience to analyze, develop and document project requirements and problem resolution. Strong analytical skills of IT application and support management. Professional Training of PMP and practical knowledge of Implementing Project Management methodologies, principles and techniques to develop project plans and to cost resource and manage projects.

    $10.00 /hr
    0 hours
    0.00
  5. Jammaica Mae Ignacio

    Jammaica Mae Ignacio

    Web Developer

    Philippines - Last active: 4 days ago - Tests: 5 - Portfolio: 2

    I'm a full stack Ruby/Javascript (Front-end) developer with 3+ years of professional experience. I'm good problem solver and puzzle enthusiast holding BS computer science. Today I'm offering backend/frontend services as a freelancer. My main skills: • Ruby, JavaScript • HTML5, CSS3, Bootstrap, HAML • PostgreSQL, MySQL • REST, XML, JSON • Rails, Jquery, BackboneJS, Coffeescript • Photoshop • Experience working with APIs: Facebook Graph, GLOBE, Chikka, Github and serveral others • Git, SVN • Apache, Nginx • Amazon AWS, Digital Ocean • Linux • Understanding of OOP principles and software design patterns • Teamwork experience, JIRA, Pivotal Tracker I have a github and gitlab account. I developed a wide range of websites using Ruby, HTML, JavaScript, CSS and MySQL. I built sites both from scratch and using frameworks, developed custom modules and extended existing ones for my clients. Last two years I was working as full stack developer for an online accounting system (Indinero Inc.), software house (Innohub Inc.) which cater software solutions in a mortgage company in USA. Currently I am maintaining/managing an online payslip application which I created from scratch and deployed last Jan 2015 for a payroll company in Cavite, Philippines as a freelance work. If you feel I am a good fit in your current or upcoming project. I am always available and very much willing to be one of your hired freelancers. Cheers! Email: jammaica_ignacio@yahoo.com Skype: jamjam_04

    $15.00 /hr
    0 hours
    0.00
  6. Tim M.

    Tim M.

    ASP.Net Web & SQL Server Database Architect

    United States - Last active: 3 days ago - Tests: 1

    ASP.Net Web and SQL Server Database Architect. In short, my passion is delivering the best performance possible, for both my organization and personal goals! Strong experience in design architect for enterprise applications. Software Architectural Skills -- 8 years of experience in enterprise web application architecture. -- Software: Visual Studio (ASP.Net Web Forms & MVC), SQL Server, Crystal Reports, Photoshop -- Server Development: VB.Net, C#, XML, LINQ, Web Services, ADO.Net -- Client Development: JavaScript/ jQuery, HTML5, CSS3, AJAX -- Database Development: T-SQL, SSIS, SSRS, DB design, performance tuning, XML, PL/SQL. -- Design Patterns: N-tier architecture, Object-Oriented Design, Software Development Lifecycle -- Certifications: CompTia Security+

    $30.00 /hr
    0 hours
    0.00
  7. Usman U.

    Usman U.

    Web & Mobile Developer

    Pakistan - Last active: 4 days ago - Tests: 10 - Portfolio: 2

    I am Working as a Mobile and Web developer over the last 3 years. I have worked on small projects as well as on large and challenging projects. My work is given below during the last three years what expertise I have you can see below. Flexi Analysis Android app Native development in Java, using Android Studio, used SQLite database, Webservices and Material Design as well. App url is as follows: https://play.google.com/store/apps/details?id=co.smartminds.flexianalysis Some of the web projects that I have worked on are as follows: 1. Flexi Analysis (http://www.flexianalysis.com/) 2. City Information Website (http://fatehjangcity.com) 3. Entertainment website (http://euroaz.tv/) Technologies used in these projects are as follows: C#, ASP.Net Web forms, MVC, Web Services, Web API, JSON, jQuery, Bootstrap, MS SQL, ADO.NET, Ajax, etc.

    $15.00 /hr
    0 hours
    0.00
  8. Muhammd Maqbool

    Muhammd Maqbool

    Logic Player Desktop/web developer in C#.net and ASP.NET

    Pakistan - Last active: 4 days ago - Tests: 1 - Portfolio: 3

    Over the last 6 years, I have been developing websites using ASP.NET WebForms ASP.NET MVC 5, Entity Framework code first,HMTL, DHTML,HTML5, javascript, json, KineticJs, Ajax, jquery, jquery ui, bootstrap, and SQL Server including sites for startup 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.

    $16.67 /hr
    0 hours
    0.00
  9. Ryan H.

    Ryan H.

    Expert iOS Developer & UI/UX Designer

    Germany - Last active: 1 month 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
  10. Rajeev Kumar Dubey

    Rajeev Kumar Dubey

    Upwork's Certified Sr. iPhone Developer

    India - Last active: 20 days ago - Tests: 3 - Portfolio: 1

    Hi Guys, This is Rajeev, An iOS Expert Freelancer. I have done my graduation in Computer Science and then I have completed my MSC in Computer Science. I am into the iPhone Application Development right after completing my Graduation as a Start-up Company saw the Future Developer in me and Hired me as a iPhone Developer Trainee. I grew steady but my overall growth was Fast so the company started giving me big projects. In last 4 years, I have gained excellency in the following : ✔ Native: iOS, (Objective-C) ✔ Web service: XML/JSON, REST/SOAP ✔ Cloud backend: Parse.com, Parse SDK, Parse REST, Parse Cloud Code, Amazon S3 EC2 AWS, Twillio. ✔ Video/audio/image processing: OpenCV, GPU Image, Quartz core, CoreAudio, EZAudio, Pitch Control, Bass, AVFoundation ✔ VOIP, Cloud Communication: Twillio, C2Call SDK. ✔ Speech recognition, text-to-speech, Siri. ✔ MySQL, SQLite, Oracle, SQL Server, ODBC ✔ Facebook, Twitter, Linkedin, Instagram, Youtube, Pinterest, Vimeo ✔ Google Map, Foursquare, Geolocation, GPS, Open Street Maps ✔ Augmented Reality: Vuforia, Metaio ✔ Cocos2D, OpenGL, Corona, Unity3D, ✔ Game Center, In-App Purchase ✔ iAd, Adwirl, Revmob, Admob, Chartboost, Tapjoy, Flurry, New iTunes Testflight ✔ Cloud services: iCloud, Rackspace, Zoho CRM, Salesforce, Azure, AWS, EC2, Dropbox ✔ Enterprise Resource Planning (ERP), Cloud POS, Warehouse Management ✔ P2P Payments: Bitcoin, Guldencoin, hivewallet, breadwallet ✔ Online Payment Gateway: PayPal, Authorize.net, ZooZ SDK. I have develop applications using native controls like UIView, UIImageView, UIScrollView, Table View, Default and Custom Cell, PageControl etc. I'm also qualified in integrating third party libraries and SDKs in iOS applications like Facebook, Twitter, etc. Also I have excellent skills in Web Design and Development using HTML5, CSS3, JavaScript, jQuery, PHP, WordPress, Zoomla, CodeIgniter, Magento, CakePHP etc. As a Navite iOS Developer, I don't use tools like PhoneGap or Appcelerator. I have direct experience with Apple's policies, device capabilities and account management procedures from Submitting more then 50 Client's Apps to the App Store. I do not publish my own apps to Apple, I Publish Apps to the AppStore using my client's iTunes account so that my client may have the full ownership rights on the App.

    $16.67 /hr
    0 hours
    0.00