RESTful API Jobs

RESTful API stands for Representational State Transfer Application Programming Interface, a term coined by Roy Fielding in 2000. A RESTful API allows an application to communicate with other applications. It is based on the structure of a website, where the data and information are stored in the form of resources. RESTful APIs make use of these resources to provide a certain level of accessibility and data exchange between different systems. This makes web development more efficient, as resources can be accessed easily and quickly.

A RESTful API Developer is responsible for designing and developing APIs to facilitate communication between different applications. The Developer will use their existing skills in web development to create APIs that are secure and reliable, that can provide clients with the ability to access resources for different types of usage. The Developer will also ensure that the APIs are well documented so that any updates or changes to their backend programming environment don't cause any disruptions with existing communication workflows.

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

  • Creating browser extensions using Microsoft Graph API
  • Building webpages for flight searches & results
  • Developing applications for React Native in PHP
  • Retrieving data through various APIs, presenting it in a table format & sending email notifications
  • Developing & integrating simple authentication functions into Laravel apps
  • Integrating WordPress REST APIs into mobile apps via PHP
  • Building middleware systems to convert HTTP GET requests into REST calls
  • Developing programs in C# .NET using the WordPressPCL Package Library
  • Developing cloud services programs using Cloud Flare's API
  • Creating tools to trigger Customer orders with CSV file uploads

At, our RESTful API Developers are highly experienced professionals dedicated to delivering innovative solutions that meet our clients' specific needs! Our Developers have successfully completed various projects for a wide range of clients, enabling quick and secure data exchange between applications. If you’re looking for an experienced developer to create an efficient, reliable and secure API system, then post your project now and hire the most suitable API developer here on!

Da 107,214 valutazioni, i clienti danno una valutazione ai nostri RESTful API Developers di 4.87 stelle su 5
Assumi RESTful API Developers


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    I need a seasoned developer that can help me build a new Peppol integration from scratch. Our requirements include sending and receiving invoices, as well as integrating with Malaysia's local authority and the local Peppol requirements. Key Requirements: - Building a new Peppol integration - Send and receive invoices - Integrate with Malaysia's local authority and local Peppol requirements Preferred Skills and Experience: - Proficiency in Windows platform and .NET Core - Experience with Peppol integrations - Understanding of Malaysia's local authority requirements - Strong communication skills and ability to deliver on time Please bid if you're confident in meeting these requirements and have experience in similar projects.

    €457 (Avg Bid)
    €457 Offerta media
    23 offerte

    I'm in need of a skilled Java developer proficient in the following areas: - Object-oriented programming: Ability to structure code effectively, promoting reusability and efficiency is essential. - Spring framework: Familiarity and comfortable with Spring Boot, specifically for web application development. - Database management: Experience in dealing with relational databases, SQL and noSQL alike, is required. Knowledge of Hibernate/JPA would be a preferred bonus. - REST API: Crafting and consuming REST services must be one of your strengths. The primary purpose of this project is web development, where we aim to build a government website. Therefore, candidates with prior experience in developing secure, robust, and user-friendly government or similar large-scale websites will b...

    €101 (Avg Bid)
    €101 Offerta media
    20 offerte

    Description: I'm seeking experienced backend developers or a team of professionals to develop the backend for a complete eCommerce website for one of my clients. The project requires robust, scalable, and efficient backend development with a focus on industry-standard practices and a modern technology stack. Project Overview: My client is looking to develop a new eCommerce platform to showcase and sell over 50 to 100 products. I will provide ready responsive templates for the frontend; the focus of this project is solely on backend development. Technology Stack: Backend Language: PHP (Laravel framework) Database: MySQL Other Tools: Version control (Git), RESTful API integration, CI/CD pipeline (Jenkins, Travis CI, or similar) Key Modules/Features: Advanced Product Search Functi...

    €510 (Avg Bid)
    €510 Offerta media
    51 offerte

    Scripts (auto order via Excel triggers) for and CFI more details will be shared with potential freelancer, kindly place bid if you know you're capable of doing this

    €6 / hr (Avg Bid)
    €6 / hr Offerta media
    17 offerte
    Ecommerce Android App Developer 5 giorni left

    I'm looking for an experienced Android developer to create a robust ecommerce application. Java + Kotlin + Xml Layouts + Jetpack Compose UI Key Features: - User login and registration - Push notification - Offline capability Product Type: - The application will primarily sell physical products, so a seamless online shopping experience is crucial. Ideal Skills: - Proficiency in Android app development - Strong understanding of ecommerce functionalities - Excellent problem-solving skills for optimizing user experience, particularly in offline scenarios.

    €264 (Avg Bid)
    €264 Offerta media
    96 offerte

    I'm in need of an experienced developer to pair program with me to identify and eliminate performance issues associated with my STRAPI and STRIPE integration. Key Tasks: - Debug current STRAPI and STRIPE setup - Identify and rectify performance issues Ideal Skills and Experience: - Significant experience with STRAPI framework - Proficiency in troubleshooting Stripe payment systems - Detailed understanding of performance optimization - Experience in pair programming HOW: - Via GMeet or Zoom. No excuses for bad connectivity. I anticipate this project will involve a fair amount of collaborative work and precise troubleshooting. Robust knowledge in STRAPI, STRIPE, are the main requirement. Ensuring an optimized, seamless payment process is of utmost importance for this project.

    €19 / hr (Avg Bid)
    €19 / hr Offerta media
    72 offerte

    Scripts (auto order via Excel triggers) for and CFI more details will be shared with potential freelancer, kindly place bid if you know you're capable of doing this

    €79 (Avg Bid)
    €79 Offerta media
    18 offerte

    Scripts (auto order via Excel triggers) for and CFI more details will be shared with potential freelancer, kindly place bid if you know you're capable of doing this

    €137 (Avg Bid)
    €137 Offerta media
    16 offerte

    Angular developer is required for a freelance project (remotely) ? Requirements: • Bachelor degree in Computer Science or related field. • 3+ years proven experience with frontend development, Angular, Rest APIs and Figma designs. • Strong knowledge in pure javascript & jQuery. • Experience with Metronic templates is preferred. • Organizational skills. ? Responsibilities: • Work with backend developer and product manager to ideate project. • Design client-side architecture. • Building dynamic and adaptable web applications. • Build pages with a mobile responsive design. • Work with back-end developer to create REST API. • Configure and testing scripts within an ongoing integration environment. • Write technical documentation...

    €514 (Avg Bid)
    €514 Offerta media
    54 offerte

    To reuse code of Existing Electron IOT application to make flutter hybrid application with extended development

    €1311 (Avg Bid)
    €1311 Offerta media
    24 offerte
    Paytm Electricity board Integration 1 giorno left

    I'm looking for an experienced developer who can integrate the ABC Electricity Board API with Quickfms, our facility management system. This project has a few key requirements. - **Real-time Billing Information**: The integration should enable our Quickfms system to pull and display real-time billing information from the ABC Electricity Board's API. - **Power Consumption Analytics**: I need the system to gather and display power consumption analytics in different time frames, specifically including hourly, daily, and monthly data. This should help us in better understanding and managing our power usage. - **Outage Notifications**: Another key feature of this integration is to receive outage notifications. This will help us in ensuring that we are always up-to-date with any ser...

    €339 (Avg Bid)
    €339 Offerta media
    11 offerte

    I have a react website, want to integrate api, should start right now price : INR 200 per hour, need to work full day (8-10 hours) till wednesday you should use desktop app to track time please bid only if you work on above mentioned terms, don't bid and negotiate

    €2 - €2 / hr
    €2 - €2 / hr
    46 offerte

    Hello All, We are planning to get a website created for a single product selling platform. It must be in the latest tech stack, the front end can be in angular, react, etc. and the back end can be in Java/Kotlin-based micro-services, with relational db support. Initially, we can launch a website on a cloud basis and later, it can be moved locally. Our foremost priority is to first have a demo of the site basis which we can move further and add then refine it as per our ideas and understanding. You are welcome to suggest ideas or design, and update requirements accordingly, we are happy to work with people having a product mindset and understanding of the Indian market. I am a backen...

    €146 (Avg Bid)
    €146 Offerta media
    28 offerte

    We need an experienced React Native developer to finalise the development of our innovative media player app. About the App: This app is designed to transform how users engage with content through AI-driven features such as conversational AI interfaces, intelligent recommendations and interactive transcripts. The app is approximately 60% complete and requires integration of new UI designs and the remaining functionality. Work Required: We have specifications for applicants to review on request. Key tasks include: - Implementing new UI designs - SQLite for local caching - Configuring media player functionality Required Experience: The developer must have: - Extensive experience in React Native - Proficiency with the Expo framework - Strong understanding of integrating backend services - ...

    €1436 (Avg Bid)
    €1436 Offerta media
    162 offerte

    I'm in need of an experienced API developer(s) to assist with integrating our platform with multiple external systems in USA. Budget is in the project so don't bid with placeholder budget.. Put a range in minimum somewhere. Plaid API aggregates with multiple finance systems (banks mainly) and their investment aggregation didn't work for me. Since Plaid API didn't work for me I am thinking we will have our own APIs to integrate to any investment banks/ brokers like E*Trade, TD Ameritrade (now part of Schwab), Vanguard, Fidelity, Robinhood , Interactive Brokers, Merill Edge and many more. See: Our APIs allow users to: 1) Get Holdings/ Positions (stocks, bonds, mutual funds, options, ETFs, etc.). We will pass institute name, account # or login/password, 2) Get Tra...

    €2346 (Avg Bid)
    €2346 Offerta media
    50 offerte

    1 - Project Overview: Create a trivia game website with live video streaming. The game will use text to speech for AI generated questions and answers. 2 - Trivia Game Mechanics: Implement user registration, login, player avatar creation, question rounds. Track scores and display leaderboards and jackpot. 3 - Webcam Streaming: Integrate WebRTC or RTMP for live streaming. Capture and display player webcams during gameplay with content monitoring. 4 - Pre-recorded AI Host: Scripted responses. 5 - Frontend and Backend: Develop responsive UI using HTML/CSS/JavaScript. This will be web based with Mobile compatibility. Set up APIs for game flow and AI interactions. Store data in a database. 6 - Security and Privacy: Secure webcam streams and handle user data safely along with conte...

    €4281 (Avg Bid)
    €4281 Offerta media
    40 offerte

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