You've landed at the right place. oDesk is now Upwork. Learn about the new platform.

Api Development Jobs

134 were found based on your criteria

Category

Job Type

show all

Client History

show all

Project length

show all

Hours per Week

show all

Hourly - Est. Time: 1 to 3 months, 30+ hrs/week - Posted
*** THIS IS A FULL-TIME POSITION *** ARE YOU A SELF-STARTER? Can you take the ball and run with it? You'll be the final member of our primary developer team associated with a very ambitious project. We're building a customized B2B marketplace... more

Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
Dear freelancer, I need you to set-up and integrate a new payment processor API in a crowdfunding wordpress theme. Right now it's working perfectly with Paypal adaptive payments, but it must integrate also the Payment Wall API (for instant payments). So... more

Hourly - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
A Software programmer with Vb.net API programming experience is needed for finishing an Autodesk Revit 2015 API project. Requirements/Qualification: · Advanced Proficiency in code developing in Visual Basic.net · Advanced Proficiency... more

Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
The backend is based on php and nodejs, Need an expert who can solve some small issues with the taxi hiring system. The system consists of Android apps, ios apps for driver and passengers and A admin panel. The system automatically sends a passenger request... more

Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
My website www.steamlineluggage.com uses Wordpress and Woocommerce. Its been developed in a piecemeal fashion by an inexperienced person over the last few years. I'm looking for a real expert to help me get the most out of my site. From an... more

Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
We are looking for a good backend Expert with good database skills, Idea of PUSH for Android and iOS apps, Expert in REST API, Job Scheduling mechanism, Admin WEB END expert, Amazon web service. The system is based on drivers delivering packages from... more

Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
I have an invision prototype to describe the functional specs & UX, but essentially I'd like to have an app developed where - given I have selected a set of preferences (number of meals, dietary preferences, etc.) when I click "Go" the app should hit... more
Skills: API Development

Hourly - Est. Time: 3 to 6 months, 10-30 hrs/week - Posted
Hello, We're looking for someone skilled in PHP development. You need to have a solid understanding of working with HTML, CSS, JavaScript, Bootstrap, & of course PHP. If you're skilled at working with multiple APIs, specifically Facebook & other... more

Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
We need someone who has experience working with shipstation. We would like to bring in Walmart.com and Wayfair sales into Shiptation , communicating data back and forth.
Skills: API Development