API Development Jobs

API Development is an effective way for software to communicate and interact with each other over the internet. It’s a great way for developers to expand the capabilities of a program or systems by creating interfaces and allow data to be shared between different types of technology. With an API, existing systems can connect and more advanced solutions can be made. Hiring an API Developer can enable businesses to streamline processes and enable a much faster integration of existing software solutions.

API Developers are skilled engineers specialized in creating new APIs and maintaining existing ones. They are responsible for developing and troubleshooting current APIs, designing APIs from standards-based web services, maintaining inventory and implementing authorization mechanisms. Additionally, they incorporate different technologies together to create advanced software solutions that integrate cloud systems like Amazon Web Services or MongoDB and APIs with point-and-click platforms, like WordPress or HubSpot.

Here’s some projects that our expert API Developer made real:

  • Creating advanced databases on different cloud systems
  • Linking between two cameras from a microscope
  • Interfacing with customizing Wordpress themes, Woocommerce themes and SMS services
  • Building secure back end systems to analyze different public APIs
  • Applying sophisticated authorization mechanisms
  • Creating comprehensive ecommerce websites using MERN Stack
  • Developing node APIs for exchange markets using Node.js, Web3.js, Ether.js
  • Automatically out of stocking items from supplier’s stock through an API system.

It is no surprise that good API Development is the cornerstone of many successful software solutions. Our expert API Developers are well experienced in developing suitable solutions for projects ranging from app development to SaaS applications, game development to enterprise system integrations. WithFreelancer.com, businesses can easily hire one of these skilled professionals to build their own bespoke projects that are perfectly tailored for their needs. So why not post your own project on Freelancer today and hire an expert API Developer?

Sur 50,135 commentaires, les clients ont évalué nos API Developers 4.85 sur 5 étoiles.
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    4 travaux trouvés au tarif de EUR

    I want to connect to ODK Central's API with Jasper Studio, obtain a bearer token and use this token to process GET requests to populate a report with data from ODK Central. I have been successful in passing the header and obtaining text from the API but attachments (namely images) cannot be retrieved due to Jasper not being able to send a bearer token in the header with a GET request to the image URI for its built-in image element. API documentation at I gather a scriptlet in Jasper may need to be written to pass the token in the header and retrieve the image for embedding in the report. I will provide a URL and credentials to my ODK instance containing test data. The report produced should be able to connect to the API and show the test data on the report preview, includin...

    €613 (Avg Bid)
    €613 Offre moyenne
    27 offres

    We are currently looking for assistance in integrating APIs (Xero and Cleva) for our bespoke CRM as well as integrating our CRM with Microsoft 365 (calendars and emails). We are aiming to complete the project within 1 month. This project requires experienced developers to create APIs that would connect our CRM with Microsoft 365, Xero and Cleva in order to streamline our daily tasks and workflow. We are looking for someone with experience in building API projects and who can deliver the job in a timely manner. If you believe you are the right fit for this project, we would love to hear from you.

    €875 (Avg Bid)
    LDN
    €875 Offre moyenne
    28 offres

    I am looking for a developer who can assist with integrating the WhatsApp API with the development of a chatbot. If you have the necessary skills and experience in integrating the WhatsApp API and developing chatbots, please reach out to discuss further details of the project.

    €93 (Avg Bid)
    €93 Offre moyenne
    14 offres
    develop api 1 jour left
    VERIFIÉ

    I am looking for a Freelancer to develop a new API for me. The programming language I prefer for this project is Python, and I need the API to be RESTful. The data I will be working with has a moderate level of complexity, requiring someone with the right skill set to handle the task. If you are an experienced developer and believe that you have the right skills necessary to deliver this API, please submit a proposal. The attached is one of approximately four APIs we will need to build. The project cost suggestion is for one API. Before moving forward with the project we would pay for a review to identify if an API is offered by the endpoint.

    €1257 (Avg Bid)
    LDN
    €1257 Offre moyenne
    25 offres

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