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API Development Job Cost Overview

Typical total cost of Upwork API Development projects based on completed and fixed-price jobs.

Upwork API Development Jobs Completed Quarterly

On average, 334 API Development projects are completed every quarter on Upwork.

334

Time to Complete Upwork API Development Jobs

Time needed to complete a API Development project on Upwork.

Average API Development Freelancer Feedback Score

API Development Upwork freelancers typically receive a client rating of 4.65.

4.65
Last updated: August 1, 2015
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  1. Chris H.

    Chris H.

    Web Developer (ASP.NET | MVC | AngularJS)

    United Kingdom - Last active: 2 days ago - Tests: 6 - Portfolio: 6

    Microsoft Certified Solutions Developer with over three years’ programming experience using .NET framework to deliver web and desktop applications. I’m a passionate C# developer with extensive knowledge and experience with: - ASP.NET back and frontend development, including WebAPI 2, MVC 5 - Client side scripting, JavaScript, jQuerry, AngularJS, Knockout - Clean and SEO-Friendly HTML5 and CSS - Task automation using Poweshell scripting and C# applications Committed to designing up to spec, reliable and extendable solutions. Focused on delivering quality work on time and within budget. Always open for communication. Highly flexible, independent contractor that will get the job done for you.

    $20.00 /hr
    199 hours
    5.00
  2. Jaime Tanori

    Jaime Tanori Agency Contractor

    Full Stack Javascript Developer

    Mexico - Last active: 4 hours ago - Tests: 3 - Portfolio: 1

    My interests and passion lies in finding new forms of creating amazing software, providing a great user experience by the application of advanced programing techniques and data structures. I consider myself a team and solo player, I have been involved in any kind of projects and in a wide variety of roles, I have been coding, managing teams, managing clients and development cycles, QA, automating QA testing and many more. Javascript, Backbone, Node.js, Expressjs, Grunt, Gulp, Google Maps and other Google APIs (places, directions, +, etc), Parse.com, Mandrill/Mailchimp APIs multiple social frameworks (Facebook, Twitter), truly hybrid mobile applications, mobile development with Swift (Sorry no Objective­c). I do other languages and technologies but I mainly focus on Javascript, however it is usual to find me doing other things with Raspberry Pi, Python, MongoDB, Arduino among others.

    Associated with: MktApps Agency

    $45.00 /hr
    2,684 hours
    4.97
  3. Muhammad W.

    Muhammad W. Agency Contractor

    PHP/Mysql Programmer

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

    Dedicated, dynamic web developer experience in developing websites .Detail oriented, delivers results for employers.Eeager to learn new technologies. Hi,I am Muhammad Waqas.I have a good working knowledge and experience in MySQL, PHP, Javascript, XHTML, XML,ajax.I have also worked on php framworks like Codeiginiter,YII Framework.I have also work in .Net and Java.

    Associated with: Hameed&Majeed Soft (H&M)

    $12.22 /hr
    209 hours
    5.00
  4. Alexander Kozlov

    Alexander Kozlov

    Top level professional Architect and SW engineer

    Russia - Last active: 3 months ago - Tests: 21 - Portfolio: 5

    Make things done! I'm a professional C/C++ developer with more than 12 years of experience. I have been working both for a companies from Fortune 500 list, and a small local companies. My core competency lies in the world of mobile applications, SaaS and PaaS, desktop software and games development. I love to do my work right and really enjoy being respected for the things i do.

    $55.56 /hr
    1,772 hours
    5.00
  5. Emir S.

    Emir S.

    Software Developer

    Bosnia and Herzegovina - Last active: 5 months ago - Tests: 5 - Portfolio: 1

    Software Developer with massive Work experience, currently employed for a major Bank as Senior Software developer. Strengths: - PHP - Java - Java Script - .net - MySQL / MSSQL - HTML 5 Personal Perks: Verry Versatile and fast Comunicating. Which means I answer all inquires during the day. Limited availability of 15 Hours a week but during this time I give my full dedication towards given asignements.

    $27.78 /hr
    6 hours
    5.00
  6. Mirko B.

    Mirko B.

    Experienced Full-Stack Web Developer

    Serbia - Last active: 05/30/2014 - Tests: 4 - Portfolio: 1

    I've been handcrafting web application for over 5 years. My specialty is back-end development, PHP is my primary language and CakePHP is my favorite framework. I'm also very strong with JavaScript and getting things done quickly / correctly there. I also have experience in the following areas: Deploying, monitoring and maintaining web applications and underlying software stack, MySQL, Ajax, OOP, Unit Testing, Git/Github, Twitter Bootstrap, jQuery, Backbone.js, NodeJS, Grunt, Composer/Bower/Npm, Bash, Vim, Authorize.net, Shopify, Volusion. I have worked on wide-range of web-based solutions like e-commerce websites, CMS, Social Networks, REST APIs for iPhone/Android applications and many others for startup companies and small businesses. I'm looking for a PHP/JavaScript projects to build from a ground-up. Handling different technologies on both ends of web stack is not a problem for me.

    $50.00 /hr
    370 hours
    0.00
  7. Purushottam K.

    Purushottam K.

    Sr. Software Developer/Architect

    India - Last active: 1 day ago - Tests: 7 - Portfolio: 2

    Over the past 8 years I have developed a wide range of commercial products including high performance web sites, winforms desktop application, large scale enterprise applications and distributed systems. My skills include expert knowledge in .NET Framework, C#, ASP.NET, Ajax, SOAP Web services, REST Services, WCF and Winforms. I am technical person and I prefer to talk less and just get things done. I am Microsoft certified professional. I have recently qualified Microsoft Technology Specialist in .Net Framework 4.0 with WCF. Thanks Purushottam

    Groups: Microsoft Certified Professionals

    $16.67 /hr
    2,699 hours
    4.93
  8. Dennis C.

    Dennis C.

    Full Stack Web Developer/Ruby on Rails, Python

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

    Having 9 years experience in the web developing, I strongly believe that I can make a significant contribution to you. My web developing expertise includes: - Ruby on Rails, Python/Django, Laravel - Dabasbase programming and administration with MySQL, PostgreSQL, MongoDB - UI/UX developing with jQuery, AngularJS, D3.js, Backbone.js, React.js - Node.js and Socket.io - RESTful API developing and third party web service integration. - TDD/BDD with RSpec, Cucumber, Capybara, Jasmine, Protractor - Search Engine : Apache Solr, ElasticSearch, Sphinx - AWS, Heroku, GitHub If you want to build smart, robust, flexible web apps, I will provide you best solution with my skill, experience, honesty and reliability.

    $44.44 /hr
    664 hours
    4.46