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.


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.

Last updated: May 1, 2015
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  1. George S.

    George S.

    Expert Engineer and API Guru

    United States - Last active: 10/01/2014 - Tests: 1

    George is a skilled technologist and entrepreneur with over a decade of programming and mobile strategy experience. He has conceived and founded two successful startups and coded numerous back end and front end systems including intricate hypermedia APIs serving millions of customers worldwide. George is fluent in Python, Javascript, HTML/CSS, and Objective-C/iOS. He is at home within numerous cloud hosting service providers including AWS and intimately familiar with LAMP/AJAX/SQL/NoSQL architectures. He is also an expert in payment systems and processing as well as API architecture and design.

    $150.00 /hr
    0 hours
  2. Nicolás Moreira

    Nicolás Moreira

    IT Consultant

    Uruguay - Last active: 08/26/2014 - Tests: 3 - Portfolio: 8

    IT consultant with more than 6 years of working and entrepreneurial experience in large scale systems. Always-recognized platforms like a PHP with Symfony2 framework, Doctrine2, RESTful services, PhoneGap, Pentaho and MySQL they are my main tools. Those tools, continuous learning and agile methodologies like Scrum make me a successful solution provider.

    $29.00 /hr
    0 hours
  3. Alexandre Carneiro

    Alexandre Carneiro

    Senior Software Architect

    Brazil - Last active: 4 months ago - Tests: 2

    Strong skills in c#.net, wcf, entity framework, sql server, t-sql, postgre, solr, mysql; Strong skills in software development, software architecture, test planinng, test oriented development; Strong skills in software documentation, applications planning, let applications cloud-ready; Project management with Agile and PMP; Infrastructure for deploying solutions; Strong skills in remodeling your software infrastructure, git repository planning, infrastructure-as-a-service, cloud applications; Mobile development HTML5+CSS3+javascript; Strong javascript + jquery plugins development; Wordpress plugins developer; Kinect SDK + Android SDK + arduino developer; Microcontroller development; Brazilian computing engineering;

    $40.00 /hr
    0 hours
  4. Albert Bahia

    Albert Bahia

    Full-Stack Developer | Passionate Creator | Engineer | Entrepreneur

    United States - Last active: 09/24/2014 - Tests: 3 - Portfolio: 3

    I am a full-stack developer looking to make dents in the universe. I love creating things that help people everyday. After watching The Social Network, I became driven to make an impact on the world. For any task/project, I have extensive experience in developing proposals, project planning, logistics, test planning and execution, and data analysis / reporting. For web development projects, I conduct an overall design architecture using Unified Modeling Language (UML) and Entity Relationship Diagrams (ERD) to understand how the whole project will work. I develop with Ruby / Ruby on Rails, Javascript / jQuery / Backbone.js / Ember.js, Rspec / Capybara (Test / Behavior Driven Development), Git, PHP / MAMP. I also follow agile development practices by developing against User Stories (Trello). As an addition to my web development, I have experience in deploying Wordpress. I have 7 years of experience as a project engineer for the US Army so I follow a systematic process when conducting your work.

    $35.00 /hr
    0 hours
  5. Alex Rhea

    Alex Rhea

    Web Developer and Architect

    United States - Last active: 06/10/2014 - Tests: 1

    I have been developing websites for four years. I have built custom content management systems for numerous small news outlets, as well as developed multiple backend and frontend web applications. I have designed and implemented three json based API's with different backends. I have vast experience with MySql, MongoDB, and have used Google App Engine in the past. I specialize in web applications, but have built Wordpress and single page marketing sites as well. I have built the majority of these systems in PHP, and have built some in Java and Python on Google App Engine.

    $55.56 /hr
    0 hours
  6. Ryan Gyure

    Ryan Gyure Agency Contractor

    PHP Developer, Consultant, Start-Ups

    United States - Last active: 06/30/2013 - Tests: 11

    Over the last 8 years I have developed a number of websites in HTML, PHP, and MySQL. Since a young age, I've been hacking away at code and coming up with better ways to do things. At the age of 14, I launched FusionXHost and created one of the first sustainable post2host web hosts. I have a wide range of skills working on a number of start-up companies and ideas. Since 2004, my company -- FXH, Inc -- has been providing a wide range of IT services all over the world and has severed as a springboard for a number of different start-ups. I have been the primary employee of FXH, Inc and generally do most of the work myself. I primarily focus on the technical side of start-ups and currently have an in-depth knowledge of PHP, MySQL, JSON, Zend Frame, RESTful APIs, and a number of popular third-party APIs (e.g. facebook, twitter, foursquare, etc). In addition to the coding side, I also work on server infrastructures using Citrix XenServer and Amazon Web Services. I also have experience with C-Corps, LLCs, and payroll accounting; both the state and federal filing requirements. I’ve been using Quickbooks since 2004 and very familiar with the software and accounting standards. In addition to the accounting, I’m familiar with the legal aspects of starting and running a company. I’m not an expert in these fields, but am a jack of all trades type and know enough in each area to be cost efficient.

    Associated with: FXH, Inc Agency

    $83.33 /hr
    0 hours
  7. Tarkan Goksu

    Tarkan Goksu Agency Contractor

    Tarkan Goksu

    Turkey - Last active: 07/28/2012

    I am a Project Manager, I am not coder. I am here for team-mates. My goal is always to reach result. I do not like to leave half work. I received job ends. Even not know exactly, I know a bit of everything. For this reason; If you really dont understand this business, please do not steal my time. Thanks

    Associated with: Kontrast Inc

    $111.11 /hr
    0 hours
  8. Daniel Sum

    Daniel Sum Agency Contractor

    Freelance PHP / Rich media developer / Web consultant

    Belgium - Last active: 10/22/2013 - Tests: 2 - Portfolio: 3

    www.sumdaniel.com Digital native, I began very young to code and to be passionate about the Web. I develop for more than 7 years with : - PHP Object Oriented and MVC programmation (back-end / front-end solutions) - frameworks like Laravel, Code Igniter, Symfony etc. - CMS like Wordpress, Drupal, Prestashop - API webservices like Facebook, Twitter, Google, Mail (Mailchimp, Mandrill), payment services (Braintree etc.) - HTML5 / CSS (with Bootstrap, CSS Grid etc.) - Javascript (JQuery, backbone.js, Ember.js etc.) - Action Script 3 / Flex development (basic) - Server configuration (Debian, Apache2, Nginx) I worked for many agencies (TBWA, Agency, Glucône, Com2B, Dasmuse etc.) and also for my own customers (Unicef, Oxfam, 87seconds, Credal etc.) within our collective of freelances which became Cherry Pulp SPRL in March, 2013. I am a self-taught, creative developer, and I have a customer-oriented vision. I accumulated many experiences on different project types. For example, National Lottery, European Parliament, Groupon, Unicef, Eni, Mini BMW, Ecover, ING, Bpost etc. If you have any requests of customized Web development based on a framework (Intranet, Extranet), SaS solution platform), installation of CMS Wordpress, Drupal, Prestashop or of consulting in programming, SEO, technological positioning multi-domain (Web App/Mobile App), don’t hesitate to contact me ♨ !

    Associated with: Cherry Pulp

    $48.89 /hr
    0 hours