API Development Professionals & Consultants

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

377

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 4.66.

4.66
Last updated: May 1, 2015
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  1. Daniel Z.

    Daniel Z.

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

    Poland - Last active: 4 days ago - 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
    1,615 hours
    4.98
  2. Oleg Batishchev

    Oleg Batishchev

    Magento Jedi / Senior Web Developer / Consultant

    Russia - Last active: 7 days ago - Tests: 6 - Portfolio: 9

    Hello dear customer, Yes, I'm not wrong, cause after read that you will wanna to hire me ;) Well, now seriously ... I am a highly experienced web developer who has primary direction of activities in e-Commerce web-developing, in that case it's a Magento area. I'am an adept of Magento and if you don't know what is it and you wanna e-commerce site you have to contact with and I will explain how is Magento awesome. I have 3 years experience in Magento and 9 years total in PHP developing with an MVC, different CMS (Wordpress), frameworks (Yii, Zend) and other. I always stick to the coding standards and follow the best practices to provide seamless, readable and reliable code. Besides developing I have some administration skills to manage servers, automate routines and can improve performance of Magento backend and frontend as well. Also I can setup the server from a scratch. I prefer a stack for Magento consists of: Nginx, Php-Fpm, Redis, Apc, Mysql 5.5 (5.6) (Percona better), SOLR/Lucene/Sphinx. I prefer do not install any control panels but if required I would prefer ISP Manager 5 Lite. Magento related Experience and Services - Optimization, load improvements, speed up - Extension development and customization - Troubleshooting - Tweaks & tricks - Bulk importing. Do you have 100k products? It's not a problem - Store migration - AWS, Rackspace building an architecture of you infrastructure - Core upgrade - Magento recurring support - Bug/error fixing - Theme design and customization - Consultation - Code review I also have some basic skills in the desktop programming (C#) and some Photoshop skills. I'll be glad to new acquaintances and long-term cooperation. I have a team of developers and every day we are expanding. Just hard to write all things what I can do. I am easy learnable for new stuff (frameworks, custom systems, foreign code). My strong side is a backend developing and have a good knowledge of a frontend side: - HTML5/CSS3 - Bootstrap - jQuery - Ajax - WebSockets, Long polling - Prototype - ExtJS - Google API, Yandex API - many other things that I can't remember at this moment. Also in a less degree Angular, Backbone and other frameworks/libs. Communication Channel : Skype/Whatsapp/Email/Phone I have listed only a little part of my portfolio cause I have many jobs completed and I can't add every job to profile.

    $45.00 /hr
    1,164 hours
    4.98
  3. Haitham A.

    Haitham A. Agency Contractor

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

    Saudi Arabia - Last active: 2 months ago - 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
    4.77
  4. Ravi D.

    Ravi D. Agency Contractor

    PHP, Web Design Expert, Wordpress, Cakephp, Magento, Joomla.

    India - Last active: 19 hours ago - Tests: 9 - Portfolio: 17

    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.

    $11.11 /hr
    2,933 hours
    5.00
  5. Ranjeet S.

    Ranjeet S. Agency Contractor

    iOS / Android developer, iPhone , iPad Apps

    India - Last active: 19 hours ago - Tests: 6 - Portfolio: 20

    I am Ranjeet. From more than 5 years, I am working on XCode(3.2.10,4.2,4.3.2)(iOS 4,iOS 5 ,iOS 6) , Eclipse using Objective-C and java languages.My primary skill set includes development on the iPhone/iPad along with Android app development. I am skilled in Objective C, Swift , SQLite, JSON/XML parsing, MapKit, FB connect, Twitter,Foursquare,Web Services, Push Notifications ,Camera,Web synchronization,GPS,Quartz,Instrument Testing and Memory Leak Prevention, Java, etc.. I am skilled in : - ibeacon and BLE integration - Core Location / GPS - MapKit - GeoLocations / Places API - AVFoundation API / Camera API - API Development and Integration to App - JSON / XML - Facebook API, Twitter API, Youtube API, LinkedIn API Integration, FourSquare API - iAds / AdMob / Mobclix / Flurry ... Integration - Designig User Interfaces / User Experience Engineering - Core Data / SQLite - Memory Management - Developing Custom Controls - CoreAnimation API / Animations - File Uploads - RSS I focus to deliver on the following services: 1. iOS Native App Development: With over 100+ apps developed so far in multiple verticals, I have the right environment and skill set to make your vision come to reality. 2. Android Native App Development: On this platform the work spans across Gingerbread 2.0.x, Honey Comb 3.0.x, IceCream Sandwich 4.0 and now Android 4.2 "Jelly Bean" operating systems.I have successfully built over 40 android apps now. 3. Cross Platform App Development (Using Phonegap and HTML5): The future of mobile apps belongs to cross platform technology and I am fully ready to take the bulls by the horns I am looking for long term business relationship where I can utilize my skill set and provide the best quality work.

    Associated with: CS Soft Solutions Pvt. Ltd.

    $22.22 /hr
    3,890 hours
    4.54
  6. Leonard Leong

    Leonard Leong Agency Contractor

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

    Philippines - Last active: 19 hours ago - Tests: 16 - Portfolio: 4

    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
    6,130 hours
    4.93