Browse json job posts for project examples or post your job on Upwork for free!

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
Clear all filters
  1. Ivan Koval

    Ivan Koval

    Experienced in different modern web-technologies

    Ukraine - Last active: 2 days ago

    I am a WEB developer from Western Ukraine. I have been working with different web technologies for 4 years and I try to be on the edge of modern technologies and development approaches. I work as a leading person in web development in one of the Ukrainian companies.

    $30.00 /hr
    11 hours
    5.00
  2. Sergio C.

    Sergio C.

    Senior Software Architect / Developer

    Portugal - Last active: 11 days ago

    I am a Software Engineer with an +8 years of experience. My main areas of work have been both Web Application Development and Biometric Information Systems. My areas of interest are Object Oriented Programming Languages, Software Architectures and API Design.

    $30.00 /hr
    84 hours
    5.00
  3. Shadab Hussain

    Shadab Hussain

    Expert Java Developer

    Pakistan - Last active: 4 months ago - Tests: 1 - Portfolio: 8

    Experienced Software developer with skills Java,XML, C#, Android and C++. I have over 3 years of web development experience in JavaEE, ASP.NET and PHP platforms with different databases SQL Server, Apache Mysql, Oracle and Derby. • Strong OOP and Software engineering concepts. • Very Good Knowledge of Java SE & JSF, JSPs and Servlets • Basic knowledge of Spring Framework • Excellent at application programming in Java and data structures • Have developed Software application following whole life cycle i.e. from requirement gathering to implementation phase keeping agile development practices in mind. • Very good understanding of databases and database modeling • Extensive knowledge of data structures and have implemented myself • Can Model classes from specification and very good at Project Documentation • Very good knowledge of XQuery and SQL • Very good experience of working with RSS and Media RSS • Worked with relational as well as NoSQL Databases • Developing Electronic Medical Record System (Medical Drop Box) according to standards of HL7 as my Final Year project of undergraduate degree. • Excellent communication skills in English both oral and written.

    $22.22 /hr
    5 hours
    4.97
  4. Aju John

    Aju John

    Experienced PHP, JQuery, JSON, Yii/Zend Developer

    India - Last active: 3 days ago - Tests: 2 - Portfolio: 1

    I am working as a software engineer in one of the esteemed IT company in india. I have 3 years of experience in Yii, Zend, PHP, JQuery, Javascript, CSS3, HTML5. I am silver medalist in my University.

    $12.00 /hr
    32 hours
    5.00
  5. Raj M.

    Raj M.

    Hubspot COS, Twilio API, XML, JSON, REST, Infusionsoft, Salesforce

    India - Last active: 26 days ago - Tests: 2 - Portfolio: 6

    # Full Stack Developer With API Expertise ( Bidirection sync, Pulling data via cron job ) # Twilio/IfByPhone Click2Call Integrations # Hubspot COS, Templates, Forms, LPs # Salesforce API Expert - ( Performance Edition ) # Infusionsoft API Expert # Salesforce Experience - Two way integration with SFDC and Internal System - Importing Contacts, Leads, Opportunities via API ( REST/SOAP ) - Creating Web-to-lead Forms - Integrating Apps - Creating Custom Apps # Other APIs: - Stripe - EWay - BigCommerce - MindBody API - To retrieve the scheudes - Zoho Workflow rules - API Webhooks ( GET/POST ) - Twilio SMS and Call API # Server Side Technologies/Framework: - PHP5/Python/ - Debian/Shell/Linux system configuration # Client Side Technologies/Framework: - Javascript/jQuery - HTML based Mobile/tablet/dektop UI ( Bootstrap ) # Database Systems: - MySQL/MongoDB # Tools: - GitHub/Tortoise SVN/BigBucket/Jira/Rally/ Experience working in a team, collaborating with GTM, Skype Call, Team Stand-ups, Leading the development team and executing the project with faster turn around and quality deliverables.

    $10.00 /hr
    13 hours
    5.00
  6. Andrew H.

    Andrew H.

    Android Developer

    Ukraine - Last active: 15 days ago - Tests: 3

    I have a master's degree in Computer Science field and 2 years of experience in software development. I'm a fast learner and creator. Very motivated and determined developer. I'm looking for good business relations and partnerships to build good, solid and efficient applications together. Skills and technologies: - Android SDK - Social Networking Integration - Google Map API, Geolocation, GPS - UI customization, animations - Android 5.0 Material design implementation - Java SE / Java EE(Servlets, JSP, JSF) - Good understanding of OOP, Design Patterns, Algorithms. - Spring (IoC, MVC, AOP), Hibernate. - SQL, SQLite - Git

    $15.00 /hr
    30 hours
    5.00
  7. Aleksandr Kondrik

    Aleksandr Kondrik

    Senior iOS Developer

    Russia - Last active: 1 day ago - Tests: 5 - Portfolio: 7

    Hello, With 3+ year of experience in I get expertise in iOS and .Net development. I love develop apps. I like complex and diverse assignments that keep my mind sharp and allow me to constantly learn new things. Have some apps in AppStore: 1) iDrom - mobile client for site www.drom.ru 2) Autoservice 717 - business application for car service

    $33.33 /hr
    255 hours
    5.00