API Development Jobs

256 were found based on your criteria

  • Fixed-Price – Est. Budget: $500.00 Posted
    We are looking for someone who have full knowledge about Fedex API to get the solution for the Fedex shipping and address verification, shipping labels. You can use any third party services to get the solution. We have the services of stamps.com, rocketship and fedex. I am not looking for amateurs so please bid if you have relevant experience and come up with examples or portfolio. Do Not Copy Paste proposals
  • Fixed-Price – Est. Budget: $10.00 Posted
    Looking For A Developer To Build An API For Me. I Have Specific Instructions From The Software (it is a CRM platform) that I Need This To Work With ( I Have An API Key), And I Want It To Integrate With PayPal, For The Purpose Of Accepting Payments On My Website. Note that this is not just about integrating PayPAl to my website. This is very specific to my CRM (called AllClients) and CREATING AN API to allow PayPAl integration ...
  • Hourly – More than 6 months – Less than 10 hrs/week – Posted
    Our company is seeking part-time Drupal Developers to join our team on an on-going monthly basis. The developers will be working in tandem with our primary developer to speed up delivery of front end and back end projects. We are seeking strong - standards compliance developers who are comfortable working on front-end and back-end code. We presently utilize Axosoft (SCRUM) for task and time tracking and communicate through skype for quick updates. Developers will be required to complete their work during ...
  • Hourly – More than 6 months – Less than 10 hrs/week – Posted
    I am need of a payment gateway specialist that has expereince integrating: Worlpay, Braintree, Paylane, Paymill, Authorize.net, Skrill, Amazon Payments, Paypal, Payza, Stripe. I need a specialist who knows how to integrate and who also knows how to ensure reciepts are created accurately and to make sure currency converter is working accurately. Currently have several websites where reciepts are coming wrong and payments being taken wrong due to currency change. Must have expereince
  • Hourly – More than 6 months – 30+ hrs/week – Posted
    We are looking for a long term API and Database Developer for one of our products. ( Independent freelancers only: No agencies please ) Your Tasks and Role: - Debug current API calls and check if all is working as expected from the Application - Take over complete Development, Test and Debug of the REST/JSON API, PHP Parsers, AWS S3 Buckets and Mongodb databases. - Have the responsibility of technically designing the Service as well as Develop, Test and Deploy it in a Live ...
  • Fixed-Price – Est. Budget: $5,000.00 Posted
    Looking for full time PHP web application developer with API experience Most of the work will involve no framework, Core PHP. I am mainly looking for full time . If you are only available part time, you should have very good skills.. I already have 1 full time developer and you will be working with him... Please answer this questions, or applications will be ignored.. 1. Previous API , XML development experience ? ANy Scrapping experience ? 2. Any front end UI experience ? like ...
  • Fixed-Price – Est. Budget: $80.00 Posted
    Hi, I am looking for a professional and expert in third party api integration. There will be several third party APIs I am looking to integrate to my site, but will start of with one and once we successfully integrate that we will move on to the next, so this will be an on-going project. My site http://nubalise.com is a social network for online gamers. I need someone who can quickly adapt and learn how to integrate third ...
  • Fixed-Price – Est. Budget: $100.00 Posted
    hello i have script running with some payment systems and i want to add some more systems want to integrate (neteller, webmoney, okpay) want to use api integration i want this job done in 2 days
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