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

Upwork API Development Jobs Completed Quarterly

On average, 307 API Development projects are completed every quarter on Upwork.


Time to Complete Upwork API Development Jobs

Time needed to complete a API Development project on Upwork.

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API Development Upwork freelancers typically receive a client rating of 4.64.

Last updated: October 1, 2015
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Krishna Chaitanya

Krishna Chaitanya Agency Contractor


India - Tests: 2 - Portfolio: 44

With 12 years of solid industry experience, we specialized in providing all kind of Design & Development related services. Including Mobile APP's, Web design, Web Applications Development, PHP5, HTML5, CSS3, eCommerce, API Integration, MySQL, Payment Integration, Wordpress, Responsive Websites, AJAX, SEO and Content Writing. Client satisfaction is our first priority, we offer cost effective services in Mobile Apps, Web Design and Programming. We merged with another Software Company and now we have 35+ Efficient Staff in all Technologies like Sencha Touch used for Mobile Apps, Dot Net, Java, PHP and Testing.

Associated with: Krishna Chaitanya - Ichnolite Technologies

91% Job Success
$16.00 /hr
0 hours

Vladislav O.

Vladislav O. Agency Contractor

Web \ Cloud - Mobile Apps - Desktop

United Kingdom - Portfolio: 20

The expert team at Web Assistants are knowledgeable, highly qualified, and specialise in bespoke application design and development. Whether your business is newly formed or has been established for a long time Web Assistants can help you to meet all of your requirements and desires to fully promote and ensure the success of your business.

Associated with: Web Assistants

$68.00 /hr
0 hours

Elvin alvian S.

Elvin alvian S. Agency Contractor

FullStack Ruby on Rails Developer with Responsive Design experience

Indonesia - Tests: 4 - Portfolio: 11

If you want to build an awesome web application, so you need to hire 2-3 developers. but you are only need to hire me, so i can build your Web Application (including, BackEnd(Ruby on Rails, CI) and FrontEnd(HTML5 Responsive, CSS3, jQuery, javascript framework, Create PSD framing layout, Design Web Apps to fit with your smartphone or any device ). And im available if you need to redesign your web apps. Im available as a Ruby on Rails Developer and FrontEnd Developer to Design your apps... And you can contact if you have any question or discuss about your idea. Also I can give you one week trial to see how your idea/app will work. Then we can make your application to MVP, and move it to live. Please feel free to contact me if you need me...

Associated with: Nine Operation Dev

89% Job Success
$11.11 /hr
2,308 hours

Darpan Dalal

Darpan Dalal Agency Contractor

Fullstack Developer with 15yrs of Experience.

United States - Tests: 2 - Portfolio: 10

I am Expert Web Developer with proven gamut experience of more than 14yrs Web Technologies VB/.net Development - C#,, VB.Net, VB,Java (Core Java JMF)/ J2EE program - JSP, Servlets, Struts, EJB, JSF, Hibernate,Web 2.0 - AJAX, RSS, XHTML, CSS Mobile Technologies Iphone , J2ME, Brew, WML ,android Open Source Application PHP, Perl-CGI, C, C++ Database Applications MYSQL, MSSQL, Oracle, MS-Access, PostgreSQL specializing in Ecommerce, WooCommerce sites,wordpress,HTML5, and CSS3

Associated with: Creative Mantra

$27.78 /hr
0 hours

Mohammad M.

Mohammad M.

WordPress, Responsive Design, HTML, CSS, JQuery, PHP, Bootstrap Expert

Bangladesh - Tests: 8 - Portfolio: 7

Quality web Designing and Development is my main motto for my valuable Clients.Working with my clients is a great fun for me. I enjoy it. PHP & Mysql, JavaScript, Jquery, Ajax, Json, HTML5, CSS3, Photoshop cs3 are my base.I have worked with PHP frameworks and on many eCommerce sites. I have also extensive experience on developing WordPress themes and designing responsive layouts.

100% Job Success
$16.67 /hr
659 hours

Daria G.

Daria G.

Back-end and front-end dev and photographer

Ukraine - Tests: 2 - Portfolio: 1

I specialize on Ruby on Rails and front-end development. In spite of the fact I have got a degree in International Journalism and Translation, I worked as QA and IT Sales for total of 3 years (from 2008) and then moved to web development from Jan, 2012. I have performed both back-end tasks (from basic CRUD to making simple APIs or server scripts) and front-end (building static websites from scratch or developing views with twitter-bootstrap). I believe the experience is formed with the quality of the projects, you have delivered, and not with the years of sitting in front of the laptop. Specialties: ruby 1.9.2+, Ruby on Rails 3.0+, linux and MacOS X environment, unix-shell, Git, SQL (SQLite, MySQL, PostrgeSQL), HTML, Haml, CSS, Sass, Less, twitter-bootstrap, javascript, jQuery Here is link to my github profile: I do photographs and various design tasks in my spare time, as well as help my friends with Russian-Ukrainian-English translations. My flickr profile:

100% Job Success
$33.33 /hr
1,942 hours

Santiago Y.

Santiago Y.

Web Developer (PHP+RoR+AS3)

Argentina - Tests: 1 - Portfolio: 4

Over the last 9 years, I have been developer of a wide range of websites using Ruby on Rails, PHP, Action Script 3 and other tools including differents kinds of objectives like sites, web applications, games, backends interactives in a team with severals agencies and small companies. I have experience in e-commerce sites, payment modules integrations, developments of modules for open source tools like Prestashop, YII framework , Ruby on Rails, jQuery, also in creation of customized back-ends for special asks and design and development interactives like games, presentations and mobil applications.

$27.78 /hr
0 hours

Aakash Mehta

Aakash Mehta

iPhone/iPad Developer | Android Developer

India - Tests: 4 - Portfolio: 4

Over the 2years, I have developed Different iPhone Applications. I have an Excellent command for the iPhone/iPad application development, Having expertise in, - UI Designing, - Experience on Implementing frameworks, - Expert in APNS (Apple Push Notifications Service) and In-App Purchase - JSON/XML Parsing services, - Map API, - SQLite API, - Face book API, - Twitter API, - LinkedIn API, - Google+ API , - Google API, - GeoLocation, - Instagram API, - Youtube API - Expert in integrating Social APIs (Facebook, Twitter, Google plus, foursquare).

85% Job Success
$11.11 /hr
463 hours

Sales Bobcares

Sales Bobcares Agency Contractor

Web programming and web hosting technical support

India - Tests: 2 - Portfolio: 195

Bobcares delivers high quality, high performance and visually appealing web applications for clients around the world. With our vast industry experience and profound technical expertise, we help you develop dynamic web solutions that will help you towards the rapid growth of your business. What sets us apart is our passion to produce innovative and creative solutions every day.

Associated with: Bobcares

85% Job Success
$9.00 /hr
6 hours

Rob R

Rob R

11yr experience OOP/PHP/HTML/js /Jquery/CSS/CakePHP/CodeIgniter

Poland - Tests: 6 - Portfolio: 1

Through my almost 11 years of fight with web development i've create lots of front-end and back-end applications like CMS, B2B, B2C. I've got experience in OOP PHP, MVC, frameworks like CakePHP, CodeIgniter, Symfony, Yii, Magento, Falcon, Zend, e-shop OXID, Wordpress, WebDNA software - old forgotten language. Also in MySQL, CSS, Smarty, HTML, javascript, jQuery, XML, XSL, WSDL, D2B, AJAX, JSON, REST, SOAP. I've also worked with API's like: Facebook, Youtube, Flickr, Dailymotion, Amazon S3 and integrate with client's applications. Every day i'm working in teams, using Scrum methodology, XP programming, using tools like jira, stash, confluance, crucible. At the beginning I've been working as web graphic, making layouts in Photoshop, some ads in Corel, animations and games in Flash. But after some time i've decided to coding in PHP.

80% Job Success
$30.00 /hr
780 hours