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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, 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.

Average API Development Freelancer Feedback Score

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

Last updated: October 1, 2015
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Devesh V.

Devesh V. Agency Contractor

Android Development, iOS Development, Graphic Design & Web Development

India - Tests: 13 - Portfolio: 7

I have over 6 years of extensive experience with PHP, MYSQL, CMS (Magento, Joomla, WordPress ), Extensions, Modules, Theme, Plugins, API's and frameworks (Zend, CodeIgniter, CakePHP). I have developed a series of web applications/solutions for the global clients. I worked in all stages of application development starting with the design phase, through development, testing and implementation. Core Skills: - Programming Language: PHP, JavaScript, JQuery - Web Designing: CSS3, HTML5, Adobe Photoshop, Logo Designing - Framework: Zend, CodeIgniter, CakePHP - Open Source CMS: Joomla 1.7 (creating/customizing all kinds of components, modules and plugins), VirtueMart, WordPress, Magento - Creating complex back-end management systems, including content management, e-commerce and communication interfaces.

Associated with: Pratibha Global Pvt. Ltd.

$14.00 /hr
15 hours

Adrian Kalbarczyk

Adrian Kalbarczyk

Webapp prototype builder

Poland - Tests: 2 - Portfolio: 3

Test your idea before spending thousands of $ on app development! I'm the author of Python and Javascript based full-stack framework that allows for building webapp prototypes in short time. Framework is battle tested and used also in big corporate projects such as collaboration software or CRM's. I helped tens of startups with validation of the idea, translating it into code and navigating the complexity of technology. #Bootstrap3 #Python #Javascript #websocket #amazon-aws

$60.00 /hr
0 hours

Abdul Wahid

Abdul Wahid

PHP Expert - Symfony, Yii, Joomla, Drupal, WP, CMS, E-commerce, Web2.0

New Zealand - Tests: 2 - Portfolio: 1

I am working in web technologies since 2005. My core speciality is to build scalable web solutions using MVC based frameworks. Currently, I am working as a part-time freelance developer and open to new opportunities. I have experience in developing web 2.0 style websites, email systems, web-based multi instant messengers (chat systems), RESTful APIs, RSS feeds, CMS systems, SaaS based web solutions, analytical/reporting solutions, real-time web applications, social websites and e-commerce solutions. I have keen interests in learning new tools and technologies, scalable solutions for the large amount of data, product development and the semantic web. Feel free to visit my website for more details and contact me for discussing any opportunities. Specialties: OOP, PHP, Java, Python, C, C++, C#, VB 6.0, PHP based MVC frameworks (Symfony, Yii, cakePHP and others), SaaS based application development, Test Driven Development, RESTful APIs development for mobiles, Object Oriented Javascript, prototype, JQuery, AJAX,Comet, Dreamweaver, Zend Environment, Flash, HTML/DHTML/XHTML, CSS, XML, UML, Cross Browser Compatibility, JSON, XMPP (Jabber Protocol), Hadoop, NoSQL, MapReduce, Databases (MySql, MS SQL Server 2000, Postgresql), Linux Environment, Apache, Nginx, Lighttpd, Varnish, Memcache, APC, Optimization of Webservers.

Groups: BigCommerce, JomSocial...

$29.44 /hr
245 hours

Sheikh Fahad

Sheikh Fahad

Microsoft Dynamics CRM Technical Consultant, ASP.NET MVC Developer


With over 3 years of technical experience of customizing and development for Microsoft Dynamics CRM 2011/2013 and now 2015. Along with that I have been developing web applications on the top of .NET platform using ASP.NET with C# and VB.NET as a full-stack developer. I have also worked with Microsoft SharePoint and has developed solutions on the top of Microsoft SharePoint 2013. Now seeking for opportunities as a freelancer in the fields of Microsoft Dynamics CRM, ASP.NET and ASP.NET MVC and Microsoft SharePoint.

$12.00 /hr
0 hours

Evgenii P.

Evgenii P.

FullStack Ruby on Rails / Ruby and React.JS Senior Developer

Russia - Tests: 5 - Portfolio: 6

I'm the one of the TOP 10% Upwork Ruby, Ruby on Rails and JavaScript developers. My programming experience is more than 6 years. 4 years of Ruby/ Ruby on Rails / JS development and 2 years of React.JS development. I'm the one of a few developers who can jump in to any phase of project life cycle with full efficiency. I can work with big team or be independent developer. I can grant you that your project will be successfully finished to production stage without unexpectable situations. I can develop wide range of applications, modules, services and web applications in Ruby on Rails / Ruby / React.JS. My code is always clean, high-quality and easy-to-support. I use TDD to be sure that my apps stable and can be refactored or extended. So, my apps are dependable and pretty easy to extend with any new and unexpected functionality. My strong points are my Dependable, Creativeness and Punctuality. My #1 goal will always be to meet your needs and deadline. When I'm working on a new project, I like to speak with the client, so, that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. Thank you in advance for your time and consideration. I look forward to working with you soon. Please take a look on my professional skill above and on my portfolio. Technologies - Ruby (1.9.x / 2.x), ruby ​​on rails (3.x / 4.x), Sinatra - Javascript / CoffeeScript / ES6 (jQuery, Lodash, React + Flux, BackboneJS, MarionetteJS, a bit of AngularJS) - Tests: RSpec, Minitest, jest - SQL (PostgreSQL, MySQL, SQLite) - Twitter Bootstrap, MaterialUI - preferably Git (+GitFlow), also CVS, SVN. Knowledge/Skills - OOP, MVC, SOLID, GRASP - High performance, quick learner - When writing code, I use Agile methodology, TDD, BDD, DDD. - scope of work estimation and timing, delivering the work on time without further reminders - refactoring and clean code writing Software stack - Linux (Ubuntu/Debian), packages installation/configuration - Remote work on servers via SSH connect - for developement I use Vagrant with Linux-based system as close to real production server as possible - Unix shell (ZSH/Bash, Vim, Tmux) to work with Ruby and JS, Git - Bundler, Rake for development on Rails - Npm, Grunt, Bower, Yoman, Gulp, WebPack for JS development Experience - Creating, modifying and integrating API (REST JSON) - Micro Service Architecture - embedding full-text search with ElasticSearch and Sphinx - websites parsing, Mechanize + Nokogiri - writing from scratch - improving gems - Sideckiq, Redis for background data processing - Unicorn/Puma/Rainbows for Rails server - pub/sub messaging with Faye and - environment deployment and DevOps using Ansible - Nginx customization - deploying with Capistrano - Travis-CI / Jenkins-CI for continuous integration - catching errors with Airbrake and automatic sending to Errbit - Redmine, Trello for project management

100% Job Success
$42.22 /hr
673 hours

Shakeel Ahmed

Shakeel Ahmed Agency Contractor

Senior Php Developer (Website & Application)

Pakistan - Tests: 1 - Portfolio: 7

I am professional and Senior Php developer having 6+ years of experience in website and application development. I am very good in analysis and design as well. Technologies in which I am experienced are PHP, Word press, Code Ignitor, Kohana, JavaScript, HTML5, Bootstrap, Mail chimp, Google Apis, Web services, Ajax, Payment gateways, social network integration and MySql. I have strong understanding of software development life cycle and I always provide quality work to my clients. I am good communicator having excellent english speaking skills. Send over a message and we’ll setup a time that works best for you to discuss your needs and what I can do help. Have a nice day!

Groups: Bluehost Developers and Designers, SocialEngine

Associated with: iSoft Technologies

83% Job Success
$13.33 /hr
1,770 hours

Braden T.

Professional Project Manager

United States - Tests: 1 - Portfolio: 3

I graduated from the University of Western Australia (UWA) with a Master's in Business Administration (MBA) and also graduated, with distinction, with a Graduate Diploma in Business Administration (GDBA) from the same university. I also performed my undergraduate study at Vincennes University. The majority of my recent work history is project management and adding value to companies beyond what is expected of my services. I work effectively and efficiently in telecommute and remote-based jobs/tasks and have years of experience performing telecommute work (see resume). I have a total of twenty years of experience in Information Technology (IT) and software development that includes a wide array of technologies, programming languages, platforms, and systems. Throughout my IT career, I have provided software development and IT consultancy services, formed a software engineering firm that created a Massive Multiplayer Online Role Playing Game (MMORPG), an on-line entertainment publication, a matchmaking site, a collaborative art software, and a social media art site. I was also a technical contributor for the development team of Undernet, an Internet Relay Chat (IRC) network that became popular in the 90's. In mid-2011, I joined a software development company pioneering a unique set of business productivity tools, which has since become a business productivity suite. I manage cross-cultural and cross-functional teams from different countries in Asia using my international management experience to form cohesive and effective working groups. When my time has allowed, I share my knowledge as a part-time professor with institutions such as the Australian Catholic University and the TIS in the Philippines. I am also an active member in Rotary Club.

$45.00 /hr
0 hours

Pardeep Singh

Pardeep Singh Agency Contractor

Expert Javascript and API Developer

India - Tests: 1

I am developer with a 3 year of experience, keen to learn, Develop & update lot's of Applications which are successfully running over the web,Expert in data parsing Techniques, I deal with lot's of technologies like] Javascript,Jquery,JSON,Anguler Js,Scala,Knockout Js,Backbone Js ,Facebook API,Twitter API,Twilio API,Amazon API,ebay API,Paypal API,


$5.00 /hr
18 hours

Waqas Ali

Waqas Ali Agency Contractor

Senior Java / JEE / SOA / Android / PHP Developer

Pakistan - Tests: 14 - Portfolio: 12

Since 2008, I have developed a wide range of web applications using JAVA, JEE, SOA, Web Services, Spring, Hibernate, EJB3, JPA, Struts, JSF, AJAX, jQuery and WEB2.0 standards, Servlets, JSP, CSS3, HMTL5, Liferay, OpenESB, IBM BPM, Several open source libraries and APIs, Facebook and Twitter Integrations, DHTML, LAMP, and MySQL, MSSQL, CouchDB, Oracle. I have experience integrating with third party APIs and Web Services, Social Networks, LDAP, SVN libraries. I have experience in Online Payment Solution, Banking, Mortgage, Text Search, Product Data and Catalogs, POS and other portfolios.

Groups: Application Developers Alliance

Associated with: Softified Business Solutions

100% Job Success
$30.00 /hr
961 hours

Jatin T.

Jatin T. Agency Contractor

AngularJS | Asp.Net MVC Expert | Enity Framework | Web API | LINQ

India - Tests: 4 - Portfolio: 9

Post graduated in Master in Science in Information Technology. I have 9+ years of experience in software design and development. During my on going tenure, I have worked for Large Scale Manufacturing ERP Project Development & Enhancement and also remained key player in developing product from SME companies. My hands on skill covers AngularJS, ASP.Net MVC, C#, VB.NET, MYSQL, MSSQL, API Development & Integration, Work Flow Services, WCF, LINQ, Entity Framework. I believe in robust and scalable architecture which yields long term profit for my client. I love to add value in product whenever I get chance. Client's budget and dead line is only the goal for the task I am given. Assuring you the timely & best service. Thank You. Best Regards, Jatin T.

Associated with: TRIVENI GLOBAL SOFTWARE SERVICES LLP, Triveni Technologies

$13.33 /hr
4 hours