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. Niels Ganser

    Niels Ganser

    German Engineered Ruby on Rails Solutions & Reliable Project Managment

    Germany - Last active: 7 days ago - Tests: 7 - Portfolio: 3

    Hi, I'm Niels, a seasoned software engineer based in Germany mostly working on web applications of all kinds using Ruby on Rails (3 and 4), (My)SQL, mongodb, redis, HTML(5), CSS and JavaScript in an agile manner. I also set up and maintain Linux servers. Several applications that I architected, implemented and maintain are in active production use. Please see my portfolio for details. I have years of experience as a senior developer – working solo, in co-located teams as well as in distributed teams – and hold a postgraduate diploma in Management of Software Projects. My greatest prides are proactiveness, reliability and good communication Please note that I do *not* do graphic design. Not for a lack of interest, but for an unfortunate lack of artistic talent. Sorry! :)

    Groups: Engine Yard Ruby on Rails Professionals Network

    $128.50 /hr
    5,370 hours
    4.97
  2. Jonathan C.

    Jonathan C.

    Consultant

    United Kingdom - Last active: 5 days ago - Tests: 1

    I have a UK university PhD, in Artificial Intelligence, and the business management skills to match, together With 15 years of Delphi, C++, Java, SQL, and Object-oriented analysis and design experience. I specialise in development including protocol specification, thread management, distributed communication and database transaction management. I have retro-fitted software in tasks ranging from installing improved modules to sophisticated Artificial Intelligence sub-systems. I can provide the often essential empathy with the contract holders, and the pragmatics to satisfy the demands of management. I have 20 years of competency in the software industry, and have a proven track record that will guarantee the successful realisation of your system requirements. I have designed and implemented systems used by multi-billion turnover corporations around the world, saving millions of pounds savings per year. My scope in system design and development ranges from individual utilities and embedded operating systems, through to large-scale corporation-wide distributed architectures. I am also able to provide a code debugging and fixing service, either onsite or online. I can give workshops and can facilitate training of new software developers, both in-house and online. I have managed my own team and maintained their skills matrices, ensuring training has been current. I have defined and managed new product releases and have written instruction manuals for new and "super" users at the customer end of the project.

    $105.56 /hr
    2,418 hours
    4.96
  3. Daniel Z.

    Daniel Z.

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

    Poland - Last active: 12 hours 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
  4. Dhaval S.

    Dhaval S. Agency Contractor

    Android,iOS native/hybrid apps, javascript/cordova/parse

    India - Last active: 1 month ago - Tests: 9 - Portfolio: 15

    Developed native and hybrid apps on Android and iOS. Please visit http://dhavalsharma.com to know more. Also have developed in java, objective-C, GWT, python, django, jquery development on Linux, Google App Engine,android and iOS platform. I have developed applications in extjs/sencha touch. I have also done workflow automation using Google Apps Scripts in Google Spreadsheets for multi-location distribution and aggregation of reports.I also have extensive IT experience in delivering and executing IT based solutions and projects for over 16 years on multiple technologies and platform for global clients.

    Groups: Android

    Associated with: greenwalk

    $33.99 /hr
    2,380 hours
    4.59
  5. Rupom Razzaque

    Rupom Razzaque Agency Contractor

    Backend Developer - Web Scraping & Parsing, Big Data & ZF2 Experienced

    Bangladesh - Last active: 12 days ago - Tests: 3 - Portfolio: 13

    [Only Available for Long Term Jobs] With more than 12 years engagement in various programming projects, I've been providing advanced level of web scraping (or data mining / extraction / crawling / screen scraping or whatever you call it), parsing, searching & reporting AS WELL AS various backend web development services since 2006. So far I have contributed in 100+ scraping / parsing, aggregation & backend driven projects which include data extracting from email boxes (like Yahoo, Gmail, MSN, etc.), content scraping from property sites, product scraping (like Google Products, Amazon, Buy.com, Dell, NewEgg, Walmart, Overstock, Boutiques.com, etc.), deal & coupon scraping, job site scraping and many more -- their aggregation & backend data management as well. I can handle both the frontend & backend of any aggregation assignment; no matter it is on a known CMS like Drupal, WP or any custom one. I can also build custom CMS for your own. My goal is to develop & deliver quality applications for my clients and make sure that those serve their intended purposes. I'm proficient in object oriented programming, MVC based frameworks, design patterns, regular expressions, database ORMs, custom web service / API development, algorithm design, and server administration. I have capability to develop and manage high level web applications in a scalable manner. As a professional developer, I like to work with professional and serious employers only. My primary field of interest is advanced web data scraping / mining & parsing and aggregating them as needed, but I'm also fluent in other sections of a project. I'm only looking for long-term opportunities that require strong technical knowledge to develop quality projects. Please don't invite me if you're looking for a short-term developer.

    Groups: Application Developers Alliance, Bluehost Developers and Designers

    Associated with: ProScraper

    $35.00 /hr
    6,308 hours
    4.79
  6. Ajay P.

    Ajay P. Agency Contractor

    PHP / Design Expert

    India - Last active: 12 hours ago - Tests: 9 - Portfolio: 15

    - 6+ years experience in below things: - PHP (frameworks like Wordpress, Cakephp, Magento, Codignator, etc...) - Different API's (like: Facebook API, Twitter, linkedin, google map, google analytics,etc...) - Amazon - HTML - CSS - jQuery - Javascript - Ajax - Xml - Payment Gateways - Web Services - Graphs - phpfox

    Associated with: NNC Infotech (P) Limited.

    $11.11 /hr
    1,233 hours
    4.99
  7. Eric K.

    Eric K.

    US-Based Software Project Management & Web App Development

    United States - Last active: 03/04/2013 - Tests: 6 - Portfolio: 13

    **** Please DO NOT contact me if you are unable to allocate a reasonable budget for your project. Note that I am U.S based, and I have been working in the web industry for over a decade. I am posting this due to the countless inquiries I receive daily with insulting budgets and "bids" (ie. - $400 for a custom logic web app that would require over 100 hours of development). Should you require an estimate, please feel free to inquire and I can provide you with a reasonable quote, including both cost and hours broken down. Thank you for your understanding in the matter. ***** Hi, my name is Eric and I'm a Sr. project manager with roots in PHP development, as well as an entrepreneur with over a decade of expertise in the web & mobile development sector. I have extensive experience in working with mid to enterprise level companies on custom app development & corporate site projects, as well as management of large-scale web projects that require a team of expert creatives & developers. I've had the privilege of working with various established tech companies & startups over the years such as Accenture, Junk My Car, & Google. Through these positions, I've learned what it takes to create, deploy, and maintain intuitive, aesthetically pleasing web applications utilizing the latest web technologies. My passions within the industry are user interface (UI) design, custom PHP development, and enterprise level eCommerce builds. I also have an eye for the latest internet trends, while still being able to maintain a sense of originality in all projects that I lead. A few of the many web/IT skills that I specialize in are custom PHP MVC framework development (Codeigniter, Yii), MySQL database design/management, custom CMS driven web development (Wordpress, Expression Engine), Salesforce management/customization (including APEX development & advanced reporting), Unix & MS server deployment/administration, strategic UX & A/B testing, IP telephony (including Twilio API development; CTI/PBX), and enterprise eCommerce development (custom Magento development, including eBay integration). HTML5, CSS3, and jQuery are commonplace in all responsive front end projects that I've been a part of. Search engine optimization (SEO) is also a major skillset that I implement on a daily basis (both organic & PPC), and I'm an expert in utilizing/integrating SEOMoz & Hubspot. I've been creating & managing client Google AdWord campaigns for over 7 years now, and I am also an authorized Google Partner, as well as a Google Engage agency partner. My abilities in communication and project management are quite extensive, and I'm an advocate of implementing agile/SCRUM methodology & software. I'm familiar with efficiently utilizing kanban & burndown charts to increase productivity within development projects, especially when used in Pivotal Tracker or Jira. Much of my management skills have been acquired from running a successful development firm for over 5 years. Above are just a portion of the skills that I've acquired & mastered throughout my endeavors in the web industry. As this industry is ever-changing & evolving, I constantly strive to learn new web technologies whenever possible. I appreciate taking time out of your day to read through my profile, and I encourage you to view my portfolio on here as well. Should you have any inquiries or potential projects that you'd like to discuss, feel free to contact me with further details and I will get back to you as soon as possible. Thanks again, and I look forward to hearing from you! Eric K. Atlanta, GA

    $40.00 /hr
    1,178 hours
    5.00
  8. Syed Naeem Tariq

    Syed Naeem Tariq

    PHP, MySQL, Codeigniter, Wordpress,Joomla,Magento,Opencart,Google Maps

    Pakistan - Last active: 1 day ago - Tests: 9 - Portfolio: 13

    8 years of experience in PHP, MySQL, Codeigniter, Wordpress, Joomla,Magento,Opencart,Google Maps I have developed a wide range of websites using HMTL, DHTML, PHP, and MySQL including sites for startup companies and small businesses. 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.I also have some experience in the following areas: SQL, Ajax, OOP, and software design and testing.

    Groups: Application Developers Alliance, BigCommerce...

    $15.00 /hr
    1,178 hours
    4.91