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API Development Job Cost Overview

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

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


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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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Francisco Goncalves

Francisco Goncalves

IT Architect / Open-Source Solutions and Linux / Virtualization Specia

Portugal - Tests: 1 - Portfolio: 4

Over the last 4 years i have worked as a Team Leader and Analyst / Programmer in the development of B2B & Social Web Apps, using PHP and JavaScript Programming Languages and associated tools like RAD PHP and WaveMaker RAD / SpringSource Java based (Javascript and Java), all based on agile methodologies. Also Programming in C++ and Shell Script, for specific project module interfaces with O/S via IPC. Also as Project Development of a CRM/Contact and E-Commerce Web Applications written in JavaScript and Java / Hibernate with MySql DataBases and TomCat WebServers. JasperSoft BI & Report Writer with Java and JavaScript Integration. Also Spring Data and MongoDb technology implementations for document storage and retrieval. Doing Systems support in Linux O/S, Virtualization, Shell & C Programming, High-Availability systems and security like firewalling and IDS (Intrusion Detection Systems) technologies. Also a Full implemention of a project for a large enterprise, involving Linux systems, virtualization platforms based on VMware Server and Linux KVM, an innovative solution for electronic mail (e-mail), collaboration and information sharing (Zimbra e-mail, now VMware), management and monitoring solution and tools with OpenQrm Data-Center Cloud Automation, Hobbit and Monit/Munin, all of them based on open source software. Also provided the development of Linux Shell scripts to fully automate backups of physical machines and virtual servers, provisioning strategies, performance tuning and troubleshooting, security and active measures for proactive and preventive maintenance. The complete deployment of platforms and tools to assist in the complete automation of the data-center, with Cfengine 3 (Automation & ITIL V3), Snort and Swatch Logging Analysis. Implementation of Open Collaboration and Content Management Platforms in the Cloud, provided as a service (SaaS). Implementation of a Thin-Client Infrastructure to provide Virtual Desktops as a service in a SaaS model (Linux and Windows Applications). Applications Developments in PHP, Java and Javascript, and my recent project (a 6 moths development) can be accessed here :

$40.00 /hr
0 hours

Bijo John

Bijo John

Freelance Expert PHP developer

United Arab Emirates - Tests: 1 - Portfolio: 5

I am a Freelance Web developer from Kerala, India with 7 years of experience, have expertise in a wide range of Web Technologies including web application development, content management system, API integration etc. My expertise are PHP, MYSQL, Joomla,Drupal, WordPress, OpenCart, Codeigniter, jQuery, HTML, API integration, Facebook and other social media integration. I developed Static websites (using HTML, HTML5, JavaScript), Dynamic website (using XML, PHP, MySQL, Content Management System (CMS) like WordPress, Joomla) and custom e-commerce website along with open source e-commerce ( using opencart, zencart, magento). I have a very good experience in opencart customization, opencart template integration, opencart module development , fully customized e-commerce website development, fully responsive website designing and more..

$11.11 /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

Muhammad umer

Muhammad umer

Full-time Drupal Guru/ PHP/ FB App /wordpress/Joomla

Pakistan - Tests: 7 - Portfolio: 40

Hello! I am able to develop your site by using all the latest web technologies but i will prefer Drupal. In addition, we have powerful business experts and engineers to provide business systems for customers, such as CRM, BPM, ERP. I offer high quality enterprise software/web development/maintenance/testing / deployment services using Web2.0 technologies and have 7+ years of strong experience in the following areas : - Drupal - Drupal Customization - Linux - JSP/ASP.NET/PHP/MYSQL - XML - AJAX - Flex - JavaScript, CSS, ActionScript, JQuery, Ext JS - Object Oriented Design - MS SQL, ORACLE ACCESS, PostgreSQL - Open Source technologies - Expression Engine, Wordpress, Joomla, Drupal, Vbulletin, LightCMS, CodeIgniter, Symfony, CakePHP - osCommerce, X-Cart, Zen-Cart, Magento, CS Cart, prestashop, open-cart - Website Design, PSD to HTML conversion, HTML5 In specially, I love Drupal. Thanks :-)

$27.78 /hr
43 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
$40.00 /hr
673 hours

Inderpreet S.

Inderpreet S. Agency Contractor

Web Programmer

India - Tests: 9 - Portfolio: 15

I have been developing and managing web applications since 2011 which includes quite varied expertise – creating e-commerce platforms, blogs, 3rd party CRM's integration, personal and professional sites etc. I work mostly with all the well-know frameworks (Yii, cakephp,laravel, CodeIgniter), CMS's (Wrdpress, Drupal, Joomla), api's like shipping, payment gateways, many more api's, CRM's like Infusionsoft & salesforce development and management, facebook clone script Phpfox, custom modules & softwares in php/HTML/CSS/JS programming languages. 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. Always delivered a high quality of work.

Associated with: BrilliantMind Soft Solutions

100% Job Success
$20.00 /hr
2,132 hours

Sachin Nagpal

Sachin Nagpal

Top Notch Work Php| WP| HTML| Magento 2100 Hours 4.9 Feedback

India - Tests: 7 - Portfolio: 7

54 Successful Projects with 5 on 5 feedback 100% Committed towards Quality & Effective Communication Working TimeZone USA or UK I am here to poise to contribute unique blend of skills with 5 year of experience in development like PHP, WordPress, Word Press Plugin Development, Cake Php, JQuery, Ajax, Magento, Functional Testing along with commitment to excellence, to your firm value by ensuring that projects strategic mission and objectives within scope, budget, and schedule.

90% Job Success
$11.11 /hr
2,093 hours