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

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, 332 API Development projects are completed every quarter on Upwork.

332

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: September 1, 2015
Clear all filters
  1. Aaron Pardes

    Aaron Pardes

    Django/Flask/Rails Web Developer

    United States - Tests: 3 - Portfolio: 1

    I have a B.S. in Industrial and Systems Engineering and having been doing entrepreneurial web development for 10 years. I specialize in back-end development with Python frameworks (Django and Flask) but I am also proficient with Ruby on Rails. I have worked with many small startups as well as Fortune 50 companies in capacities ranging from developer to product manager. I have extensive experience building and interacting with RESTful API's, data modeling, and project management. You can view my full CV at my website http://pardes.io

    $80.00 /hr
    1,209 hours
    5.00
  2. Faisal A.

    Faisal A.

    PHP, Wordpress, Zend, CodeIgniter, API, Responsive

    Pakistan - Tests: 5 - Portfolio: 26

    I have been working for more than 8 years in web development and API integration. Developed websites using PHP / MySQL / WordPress / Magento / CodeIgniter / Zend with front-end implementation in XHTML / Bootstrap / HTML5 / CSS3 / JQuery / REST / SOAP / JSON / XML. As well as I'm very talented, hardworking, detailed oriented, self motivated, strong work ethics, responsible individual. During my experience I developed web applications, eCommerce stores, CMS websites, APIs integration, web services , extensions and plug-ins. I love to take new challenges and provide high quality and clean code. API Integration (SOAP, REST): Amazon, Volusion, Shopify, Whiplash, Etsy, GetResponse, Google Map API, QuickBook Online (QBO), QuickBook Web Connector, USP, FedEx, USPS, Adobe EchoSign, IDX (MLS Listing), MailGun, Facebook, Twitter, SAGE DataStream API Integration Professional skills: PHP 4, PHP 5 (OOPs approach), MySQL, Wordpress, WooCommerce, Magento, Zend Framework, Codeigniter Framework, MVC Architecture, Smarty Template Engine, JQuery, JavaScript, Bootstrap, HTML5, XHTML, CSS 3, .NET, SSRS, XML, json, CSV, Spreadsheets Web Servers & Tools: WAMP, LAMP, XAMP, Microsoft IIS, Apache, WinSCP Version controls: GitHub / GIT, TFS, SVN, VSS Databases: MySQL, Microsoft SQL Server (2000 / 2008 / 2012), Oracle, MS Access Operating Systems: Windows Server 2003, Windows 7, Windows 8, Linux / Unix

    $14.44 /hr
    1,015 hours
    4.94
  3. 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. Alway delivered a high quality of work. I am reliable professional. My main working principles - high quality of work and strict adherence to the deadline. always online: inderpreetchakkal@gmail.com skype: byichakkal

    Associated with: BrilliantMind Soft Solutions

    $20.00 /hr
    2,096 hours
    5.00
  4. 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.

    $11.11 /hr
    2,074 hours
    4.87
  5. Leonard Leong

    Leonard Leong Agency Contractor

    Sourcing Expert | Web Marketer | Binary Options Trader | Web Developer

    Philippines - Tests: 16 - Portfolio: 5

    Ambitious, energetic, strong-willed, charismatic, organized, creative, thoughtful, and passionate leader who plans and execute innovative solutions that paves the ways to win-win situations. Experienced in leading a complex organization that has a distributed workforce as a majority of its staff in providing world-class cost-effective services to a diverse clientele that includes: Automobile Dealerships, Marketing Agencies, Book Publishers, Law Firms, Event Planners, Coffee Retailers, etc. If you're looking for a professional whose goal is to provide clients cost-effective solutions for their business processes, then please feel free to tell me how I can be of service.

    Associated with: ROO Agency

    $9.99 /hr
    6,621 hours
    4.93
  6. Shridhar Awate

    Shridhar Awate Agency Contractor

    Technical Project Manager Java, Android, RoR

    India - Tests: 2 - Portfolio: 1

    Having worked with leading IT services organizations, I have successfully lead the multiple projects and products with action orientation for focused results.I have a successful track record in industrial business development, combined with hands-on delivery experience working with multicultural teams and clients. Specialties - Action orientation for focused results - Effective and efficient organization and planning skills - Analysis with appropriate decisiveness and leading the way - Sensitivity of stakeholders' needs

    Associated with: Ascent IT Solutions

    $24.44 /hr
    3,147 hours
    5.00
  7. Ravi D.

    Ravi D. Agency Contractor

    PHP / Web Design Expert

    India - Tests: 9 - Portfolio: 35

    I have over 6+ years of experience in various areas in Web Development. Excellent in Web Application using PHP5, Wordpress, CakePHP, Joomla, Magento , jQuery, Ajax, MySQL, MVC, SVN, cURL, OOP Concepts, and Design Pattern Experience. * In-depth knowledge of PHP with jQuery * Extensive experience with Object Oriented design and implementation * Ability to function independently * Strong problem solving and analytical skills * Have a high level of attention to detail * Service Oriented Architecture * In-depth Relational Database design and development experience * Efficient, effective and timely I also have an experience in the following areas: - JSON, XML - MsSQL - Paypal,SagePay,Stripe,Wirecard, Authorize.net Integration -Infusionsoft Integration - Social api's.

    Associated with: NNC Infotech (P) Limited.

    $10.00 /hr
    3,344 hours
    5.00
  8. Haitham A.

    Haitham A. Agency Contractor

    Expert developer, attracted to complex, large and high impact projects

    Saudi Arabia - Tests: 7

    * Expert API Developer (both for web apps, general purpose API's, and Mobile App back ends) - java & php API Experience: Facebook, Twitter, Google, youtube , GData, Klout, Topsy, Amazon Search , Amazon FPS (flexible payment system), SMSGlobal, TWilio, Mailchimp, Urban Airship (push notifications) ... etc * Expert Phonegap Mobile App Developer - iOS & Android - Front and Backend , complete application development services. * Expert Wordpress Developer - Classic sites, responsive sites, large blogs (over 1M uniques per month), woocommerce I have over 5 years of experience, over 300 hours on oDesk, a solid 5 star rating, and a mind focused on delivering the highest value possible to my clients. My rate is high but I work extremely fast. So the overall bill you will get will always be competitive, and you will get the highest quality candidate working for you. I am a full time freelancer and fully dedicated to delivering the highest quality services to my clients at a fair rate. Our values at TerraFirms LLC are Traction - Value - Leverage - Design Traction: Build products that people want to use Value: Deliver value in everything you do Leverage: Exploit technology to do 'superhuman' tasks managing complex or large systems, large volumes of messages, data, transactions or sales. Design: Simplify the design, be true to the brand identity, and focus on maximum usability

    Associated with: Terra Firms Agency

    $83.33 /hr
    1,129 hours
    4.60
  9. Daniel Z.

    Daniel Z.

    Highly skilled API integrator, PHP (ZF) Coder and Project Manager

    Poland - Tests: 7 - Portfolio: 6

    Goal: Project and develop high quality apps for your success. Profile: OOPHP & Zend coding, IT consulting and business analyst, project coordinator and manager, Other skills: Apache, Bind, SSH, bashscripting, Memcached, Github, Solaris, Oracle, MySQL, Radius, AD, expert knowlegde of many *ux and windows systems Advantage: Project and implementation of many web apps. Most of it projected and developed by myself using Zend Framework, Google API (youtube, gdata), social API (twitter, facebook). Some of it integrated with operating systems or AAA software (radius, ldap). Usually Design Patterns were used (like Template Method, Version of Control, DAO, Dependency Injection, Decorator and so on). Some application built upon a structure of web services (XML, REST, JSON), some using jQuery and AJAX. Tools and technologies: Apache, radius, bind, ldap, Zend Framework, XML, SOAP, Linux, Linux daemons, Memcached, Sockets, REST, JSON, Oracle, MSSQL, MySQL, Design patterns, MVC, SVN, BASH, PHPUnit, Xdebug, Unit testing, Google Youtube API, Google Gdata API, Google Maps API, Facebook API, PayU API

    $35.00 /hr
    1,838 hours
    4.98
  10. Paul S.

    Paul S. Agency Contractor

    Ruby-on-Rails Developer / Web applications and Ecommerce

    Belarus - Tests: 10 - Portfolio: 9

    I work as Lead RoR Developer at Ikantam team, we deliver turn-key solutions for young startups and established businesses. Have a large number of Ruby solutions in portfolio developed for retail, hospitality, finence and automotive industries. Having a lot of experience in launching startups for US maket allows us to deliver a working business solution, not just mobile or web application. Working with us is your guarantee of business success.

    Groups: Application Developers Alliance, Bluehost Developers and Designers...

    Associated with: iKantam

    $25.00 /hr
    4,028 hours
    4.61