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?

From 48,416 reviews, clients rate our API Developers 4.86 out of 5 stars.
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    7 jobs found, pricing in INR

    Dear Freelancers, Here's the Project. Just sent proposal answering the questions included!! Project Objective: Development of a model to predict future prices based on historical data and an API. Requirements: - Integration of data from a premium API - Creation of a prediction model based on historical data - Implementation of modern forecasting techniques (such as ARIMA, LSTM, or multivariate regression analysis) - Generation of multiple dependent variables based on several independent variables - Provision of a user-friendly interface - Functionality allowing users to discard or filter data as needed Technical Requirements: - Experience with data integration and API usage - Knowledge of machine learning and statistical models - Ability to create a user-friendly interface - Expe...

    ₹11263 (Avg Bid)
    ₹11263 Avg Bid
    11 bids

    We need a developer to implement idempotency in our e-commerce system to manage order creation and payment processes efficiently. The goal is to ensure that duplicate orders and payments are handled correctly to improve reliability and user experience. Requirements: Idempotency for Order Creation: 1. Implement logic to check for existing orders using an idempotency key. 2. If a duplicate request is detected, the server should return a cached response. 3. If no duplicate is found, the server processes and creates a new order. Idempotency for Payment Initiation: 1. After order creation (new or from cache), initiate or check the status of the payment. 2. Handle payment retries only if necessary (e.g., previous attempts failed or expired, but not if already successfully processed). Deliver...

    ₹3838 (Avg Bid)
    ₹3838 Avg Bid
    15 bids

    I am looking for an experienced API developer to build an API for our and Typescript website. The scope of work includes creating a well-documented API and providing clear instructions on how to use it. The API should integrate seamlessly with GitHub. Responsibilities: - Design and develop the API architecture - Implement endpoints and functions to handle data retrieval and manipulation - Test and debug the API to ensure functionality and security - Write comprehensive documentation on API usage Required skills: - Proficient in and Typescript - Strong experience in API development - Familiarity with GitHub integration Preferred skills: - Knowledge of GraphQL - Experience with authentication and authorization mechanisms This is a medi...

    ₹1085 / hr (Avg Bid)
    ₹1085 / hr Avg Bid
    104 bids

    I'm seeking freelancers well-versed in OGC APIs implementation, specifically for effective geospatial data exchange. Key Project Details: - The core goal of this project is to implement the OGC API for seamless data exchange. - The data needing to be exchanged is geospatial in nature. - Open Source can be used Requirements: - Proficient in OGC APIs implementation. - Prior experience with the Feature API, particularly for data exchange. - Strong understanding of geospatial data formats and exchange protocols. This is a fantastic opportunity for freelancers with expertise in the field to showcase their skills. I look forward to receiving bids from qualified professionals.

    ₹22443 (Avg Bid)
    ₹22443 Avg Bid
    2 bids

    I am looking for an experienced API developer to create a custom API that will allow users to upload photos and videos, which will then be transformed into a 3D model in either 3mf or STL file format. The API should be able to handle large file sizes and should have a user-friendly interface for easy integration. The developer should have a strong understanding of APIs, image processing, and 3D modeling. Is this something you can do?

    ₹96446 (Avg Bid)
    ₹96446 Avg Bid
    62 bids

    I am seeking a proficient developer to create an interface that allows my business to effectively harness WhatsApp's API. More specifically, the project revolves around developing functionalities that enable sending standardized messages to specific customer groups. Ideal Skills Needed: 1. Extensive experience with API integrations, specifically with WhatsApp. 2. Solid understanding of how to develop functionalities for group messaging. 3. Ability to create a platform that caters to distributing standardized messages. Project Deliverables: 1. Develop functionalities that support the delivery of standardized messages to predetermined customer groups via WhatsApp. 2. Ensure the platform developed is easy to use, effective, and secure. 3. Demonstrate a clear understanding of ...

    ₹180794 (Avg Bid)
    ₹180794 Avg Bid
    91 bids

    Busco a una persona experta en desarrollo blockchain que ocupe el puesto de CTO en una empresa que es un fondo de inversión descentralizado. Debe tener conocimientos tecnológicos sobre cripto y desarrollo blockchain y las habilidades necesarias para ocupar un puesto directivo. Debe hablar Español.

    ₹1693643 (Avg Bid)
    ₹1693643 Avg Bid
    23 bids

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