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

341

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: June 1, 2015
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  1. Alessandro Usseglio Viretta, PhD

    Alessandro Usseglio Viretta, PhD Agency Contractor

    Innovation and Strategy Consultant

    Switzerland - Last active: 05/27/2014

    I'm a keen follower of technological trends and founder of Fabnami.com, presently the most advanced e-commerce website solution for 3D printing service bureaus. My core competencies lie in data processing (machine-learning, statistics and application of big-data methods), software (architecture design, algorithm development, management, agile methodologies) and 3D printing, with particular regard to the processing and visualization of 3D data. I'm a Physics graduate with a PhD in Computational Neuroscience from the ETH - Swiss Institute of Technology in Zurich, rated as the best institution in continental Europe.

    Associated with: In Numero LLC Agency

    $90.00 /hr
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  2. 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
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  3. David Peters

    David Peters

    Magento Web Developer

    United Kingdom - Last active: 5 months ago - Tests: 3

    I provide my clients with a fully integrated e-Commerce solution to suit their needs using the Magento platform. I am interested in working with people from the initial conception of a project and providing ongoing development, training and support. They systems I provide can include functionality of your choice and/or can include the following... - Full e-Commerce (online shop) platform - Full inventory/warehouse management system - Point of Sales system (i.e A till system for retail shop) - Accounts package integration (i.e Sage etc) - Shopping Platform Integration (i.e Google Shopping, Amazon & eBay) - Shipping/Logistics management - Email - Reporting I do not wish to be considered for small 'one-off' support jobs as this is not the type of work I do. I have a small handful of clients that I am able to give my full support to and do not wish to fill up my time with troubleshooting problems with other peoples sites. If you are looking for a reasonably priced, English web developer to work with you on your e-commerce project, please send me a message and I look forward to discussing how I can be of assistance. Working alongside my partner, I also provide the following ongoing services... - Data Entry (such as product creation and image uploads) - SEO (Search Engine Optimisation) - PPC & SEM (Managed Google Adwords (PayPerClick) Campaigns & Search Engine Marketing - SMM (Social Media Marketing i.e Facebook/Twitter etc) - Bookeeping Negotiable pricing as per project and ongoing support required. Please feel free to get in touch to discuss your requirements. Regards Dave

    $33.33 /hr
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  4. Bon Franklin

    Enterprise Application Architect

    United States - Last active: 11/09/2013

    I am able to bridge business and technical concerns and achieve stable, performant and flexible solutions. I am used to developing very large systems integrating numerous unrelated aspects of an organization and am able to maintain the big picture vision while I'm down deep planning and writing code. Ultimately, my first job is solving problems. My second job is implementing the technical solution for that problem.

    $83.33 /hr
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  5. Sergey Gladkovskiy

    Sergey Gladkovskiy

    Expert web developer (Laravel, Kohana) with good frontend experience.

    Russia - Last active: 10/13/2014 - Tests: 1

    Developing web applications of various levels of complexity (from small sites to ERP systems of Enterprise level) since 2005. Deep knowledge of web technologies, the implementation of business processes and interoperability with third-party systems. Can find and fix your core problem!

    $33.33 /hr
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  6. Sheikh Fahad

    Sheikh Fahad

    Experienced Software Developer

    Pakistan - Last active: 4 months ago

    With over 3 years of technical experience of customizing and development for Microsoft Dynamics CRM 2011/2013 and now 2015. Along with that I have been developing web applications on the top of .NET platform using ASP.NET with C# and VB.NET as a full-stack developer. I have also worked with Microsoft SharePoint and has developed solutions on the top of Microsoft SharePoint 2013. Now seeking for opportunities as a freelancer in the fields of Microsoft Dynamics CRM, ASP.NET and ASP.NET MVC and Microsoft SharePoint.

    $15.00 /hr
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  7. Binod Tamang

    Binod Tamang

    Software Developer /Apps(windows/android) developer /web api design

    Nepal - Last active: 1 month ago - Tests: 1 - Portfolio: 2

    I'm very passionate to programing that's why i choose it and started to talk with code.The way it talks to hardware/software,makes me happy all the time. If you're looking for a freelancer who can provide you with an excellent ,high class software,web application jQuery plugins and windows/android phone apps then you won't be regretting only if you try me. "Your satisfaction is my program" -and this is my theme.

    $25.00 /hr
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  8. Mitul P.

    Mitul P.

    Full Stack ASP.NET | MVC | jQuery | API | WebService | CSS3 Developer

    India - Last active: 1 month ago - Tests: 8 - Portfolio: 2

    With having working experience of 3 years, I have worked on both Windows and Web applications in .NET. But mainly involved with the Web Development. At the present, I am looking for opportunities to develop or enhance web applications. In addition, I am available for ongoing support and any other web development. Looking forward to participate in short or long term projects for Clients all over the world.

    $9.70 /hr
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  9. Mladen Djudjic

    Mladen Djudjic

    Web Designer & Developer

    Bosnia and Herzegovina - Last active: 12/04/2014 - Tests: 2 - Portfolio: 3

    I'm a web developer living in Banja Luka, Bosnia and Herzegovina, RS. I'm currently front-end & back-end developer at BLGRD Digital Agency. I spend my days with my hands in many different areas of web development from back end programming to front end engineering. I have worked on wide variety of web related projects in past several years. I believe in work quality, customer satisfaction and timely delivery of projects for better and long time relationship with customers.

    $22.22 /hr
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