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. Brent Weatherall

    Brent Weatherall

    Experienced Software Designer & Business Analyst

    Canada - Last active: 11/10/2014 - Tests: 1 - Portfolio: 1

    I provide IT Business Analysis, Design and Development services, including Technical Writing services. I began working in the technology field as a CMS Developer in 2000. Since then, I have worked on a variety of IT projects which have included Geomatics/GIS, CMS, Web Applications, and Mobile Applications and Gaming. I have had the opportunity of playing a key role in the development and implementation of innovative IT projects and in applying cutting-edge technology. My experience includes working both in a team environment and independently, on projects for large organizations and with small business clients. You may be in search of a technical solution to a specific business problem. I look forward to helping you assess the opportunities available to you, as well as recommending the best way to leverage the tools, strategies, and expertise that will allow you to execute on your vision.

    $44.44 /hr
    0 hours
    0.00
  2. Lee Polaris

    Android Iphone Solution

    Cambodia - Last active: 03/11/2013 - Tests: 18 - Portfolio: 19

    ****************************************************************************************** * FOR OUR FUTURE * ****************************************************************************************** Last 7 years, I have developed many projects. For example, - ETCL tool (Java/Swing based ETL tool) - J2EE/JSP based some web services and web applications - Live Video Conference(RTMP/RTSP) - Android/Iphone Application development - Some LBS Systems - Network Management Systems(NMS, TMS) - Ebook Reader - Data Loss Protection Solution(Windows based File/Network/Printer/Media...) - Remote Desktop Monitoring System - Movement Dynamics Simulation System. - iPhone/iPad games based Cocos2d, Box2d - DSP like Digital Filter, FFT with using CPLD

    $22.22 /hr
    0 hours
    5.00
  3. Scott Wynn

    Scott Wynn

    Expert Coldfusion and Hubspot Integration Developer

    United States - Last active: 2 months ago

    Offering web development and consulting services in USA English from the Midwest. 15 years experience in Coldfusion and SQL servers and programming languages. Internet and Intranet development, CRM integration, API integration, Hubspot, data migration, custom one-of-a-kind applications and procedures. Competitive pricing, video conferencing consultations and no language barrier to USA English. Let's begin!

    $25.00 /hr
    37 hours
    0.00
  4. Andrew Zelenets

    Andrew Zelenets

    Ruby on rails web developer

    Ukraine - Last active: 09/26/2014 - Portfolio: 4

    I'm always on the lookout for exciting new projects - if you would like my help, either on a project or long term basis, please get in touch. My Ruby on Rails services include: • Startup project prototyping; • Full stack ruby on rails development; • Backend API for mobile applications; • Porting applications to Ruby on Rails. Technology Focus: - Languages: Ruby, JavaScript, SQL, HTML5, CSS3; - Web Frameworks: Ruby on Rails; - Front-end: Angular.js, jQuery, AJAX; - Operating Systems: Linux Ubuntu; - Programming Editors/IDEs: JetBrains (RubyMine); - Source Code Control: Git; - Databases: MySQL, MongoDB, Redis; Benefits working with me: • Strong analytical skills with focus on business goals and end-user experience. • Excellent knowledge building Rails-based web applications; • Good understanding how to leverage Rails and Ruby to rapidly build RESTful APIs; • Excellent communication skills, proper expression of their thoughts; • Developed imagination, flexible reasonings; • Organizational skills; • Advanced knowledge of web development - I have professional experience at every level of the web design process; • Fastidious - I enjoy my work, my satisfaction comes from getting it right, I don’t cut corners; I'm motivated and technically proficient person who enjoys problem solving and has a keen appreciation for good design. My interests revolve around science, technology, psychology, design, drawing, photography and the outside world. I am continually striving to improve and expand my skills through self­ teaching and online courses - demanding excellence is an important value for me. Comfortable and experienced communicator, with colleagues, customers, suppliers and the public in writing, by telephone and in person. Good understanding how to leverage Rails and Ruby to rapidly build RESTful APIs that are easy to understand, use and maintain. I can squeeze out every drop of performance using well-architected API design, caching. Worked extensively with RoR application framework and Ruby language on the back-end. Experience with HTML5, JavaScript, CSS3 and Twitter Bootstrap on the front-end. Self-motivated worker with strong focus on business goals and end-user experience. Good expertise in using Ruby/Rails in a production UNIX/LINUX environment.

    $11.00 /hr
    0 hours
    0.00
  5. Gerald M.

    Gerald M.

    Solution provider

    United States - Last active: 03/17/2014 - Tests: 1 - Portfolio: 3

    Who we are: A collection of multi-talented individuals who have established a company to serve as a platform to solve problems. We believe there is no problem to large or too small to solve. By establishing partnerships with the most talented contractors we’ve created dozens of solutions pertaining graphic and visual design, web services, and project management. What we do: Consists of consulting with clients to greater grasp the source of their problems, in doing so we are able to uncover the root of the issue and create the greatest solution possible. Our company specializes in fulfilling needs for emerging businesses, non- profits, and small businesses. Services: Graphic and visual design – Logo creation, promotional flyers, banners, photography, Promotional video, Album artwork Web services Landing Page, web applications, mobile app, website improvement Project Management Project planning, task tracking, budget planning, team coordinator

    $16.67 /hr
    0 hours
    0.00