API Development Jobs

317 were found based on your criteria

  • Fixed-Price – Est. Budget: $2,700.00 Posted
    API Expert needed with more than 3 years API experience to work on platform/database to connect various API's to communicate with each other. Expert will need to develop a database platform where data can be managed and interact with other data from API to API. There is 5 to 10 API's that data will be push and pull to/from. The data must interact with each other. If we have to add any additional API's, I ...
  • Hourly – More than 6 months – Less than 10 hrs/week – Posted
    I am looking for a JSON / API developer for help on a project. Summary: Experience using object-oriented development (preferably in PHP5), browser-independent HTML5, XML/XSD/XSLT, CSS, JSON, JavaScript, Ajax, jQuery, Web Services, SQL and UNIX is required. Qualifications: - Minimum undergraduate Degree in Computer Science/Engineering, Software Engineering or related field or recognized equivalent. - Minimum three years relevant experience in object-oriented design and programming. - Proven development experience in JSON / API (preferred). - Development experience using JavaScript, jQuery, AJAX, CSS, HTML, XML ...
  • Hourly – Less than 1 week – Less than 10 hrs/week – Posted
    We are looking for experienced web developer for stamps.com USPS API integration in php.We will provide the required database and files once selected. P.S IF YOU NEVER DID USPS or STAMPS.COM PLEASE DO NOT BOTHER.WE WILL MARK YOUR BID AS SPAM IF YOU DO NOT HAVE EXPERINCE ON IT.
  • Fixed-Price – Est. Budget: $500.00 Posted
    Looking to hire a web developer that will be able to program and design my website. Looking to create a membership website when clients sign in they get access and also levels of memberships for more access to new features to the site. - Web pages need to be sized correctly for all computer screens and site needs to work for all browsers I need a master developer and software in - PHP - IMPORTANT - API - IMPORTANT - WEB DEVELOPMENT DESIGN AND FUNCTIONALITY - SQL ...
  • Fixed-Price – Est. Budget: $1,900.00 Posted
    I have an existing framework, using a C++ CAGI via a FastAGI daemon and gSOAP API to allow callers on an Asterisk IVR to check their bill, and or pay it. I am switching providers for the payment gateway, which uses a new API. The original code can be used and modified, or the programmer can choose to start 100% new code if he desires. A test server will be provided running CentOS, once all features are confirmed the app ...
  • Hourly – More than 6 months – 10-30 hrs/week – Posted
    Dear Programmer, We are looking for a senior Php programmer to development flight booking website and integrate with 1) Expedia API 2)Payment Gateway API 3)Hotel Booking API Please bid on this project if you have real experience in developing travel and air ticket booking websites Warm Regards Sa
  • Hourly – More than 6 months – 10-30 hrs/week – Posted
    First of ALL, a local person possibly from Mexico City, DF as we are trying to create a local team. NO Agencies, High Confidentiality. Here is what the ideal developer needs to know: General: Mostly server side scripting, no web interface, no web development. * Advanced PHP Skills and Knowledge * cURL both CLI & PHP * Database MySQL and Databaseless (JSON/XML) * MCV * SVN * MemCached * Java/JavaScript/Ajax * Linux Server/CRON * Webservices
  • Hourly – More than 6 months – 30+ hrs/week – Posted
    Requirements Minimum of 3 years’ experience in similar role and/or related fields Proactive, forward-thinking and self-starting attitude Hands-on experience of WordPress, Joomla, Drupal Flawless knowledge of HTML/CSS Strong knowledge of jQuery and Javascript PHP knowledge Knowledge of mobile and responsive design Strong understanding of current standards, trends and best practices in front-end development and related fields Ability to work with Git High level of interest to explore emerging technologies and experimental projects Time and workload management Ability to ...
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