Node.js is an open-source cross-platform JavaScript runtime environment that allows developers to easily deploy JavaScript based applications and services. Node.js is built on Chrome's V8 JavaScript engine and can be used to create server-side applications that are secure, scalable, fast and efficient. Node.js Developers have the skills to build secure and performant web applications that can handle large volumes of data in an efficient way.

A Node.js Developer is a skilled programmer with experience in building modern web applications that employ technologies such as Node.js, JavaScript, HTML5, and CSS3. Node.js Developers are responsible for developing server-side web applications, creating user interfaces for websites or web applications, and developing APIs for servers or browsers. These developers also create custom plugins and modules that extend the functionality of existing applications or websites.

Using Freelancer.com to recruit Node.js Developers highly skilled at developing web applications is a great way of getting the job done quickly and efficiently.

Here’s some projects that our expert node.js Developers made real:

  • Creating websites with complex functionalities
  • Hosting applications on cloud environments
  • Extracting text from scanned documents or images
  • Building web scrapers
  • Setting up chatbot integrated with OpenAI API
  • Developing user interfaces for websites
  • Developing APIs for server/clients
  • Setting up projects in PC

If you're searching for a Node.js Developer to join your team, hiring an experienced freelancer on Freelancer.com would be an ideal choice for completing your project quickly and efficiently with high quality results. It takes only minutes to post a project; after that you will be able to connect to potential freelancers who have the skills and experience needed for your projects. Hire a freelancer on Freelancer now!

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    ##IF AWARDED THIS IS FOR IMMEDIATE ACCEPTANCE AND EXECUTION## Immediate Task should not take longer than 30 minutes (we will pay 5 hours of work as soon as its resolved). Our application stopped working. When we start the application it runs for a few seconds and then crashes. We need someone to access our server (anydesk access will be given) to see if there are configuration errors and fix them. Our server administrator (has no experience with ) changed something on our server because previously we would start the application with "npm run start" and after changes we start app with "service nextjswebfc2 start". It might be a coincidence but it appears that after this modification the error began and the app crashes a few seconds (1-2 minutes) after being start...

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    Tasks: Immediate: less than one hour task => review our deploy on Ubuntu to identify and fix problem that is causing app to CRASH. When we start our app, it runs for a few seconds (or minutes) and then it crashes. It was working fine and we're not sure if another application or component that we installed caused the problem. We need for the developer to access our server (anydesk access will be given) and review the installation to identify and eliminate the error that is causing this crash. After this task is concluded we have long term work on our project as well as our .NET C# project 1) Administer Ubuntu OS where we run our project 2) Transform/migrate our current angular.js to (we have already transfered about 60-70% to ) Prerequisites: 1) Accept initial hourly rat...

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    I'm seeking a seasoned Kubernetes professional to assist in deploying Tiledesk on my Azure cloud environment. I have tried to install it using helm, and everything functions correctly, but I've hit a roadblock when it comes to making it accessible externally. Now, I need your expertise to not only ensure a smooth installation but also to make sure Tiledesk is fully exposed and operational. **Requirements:** - Profound knowledge in Kubernetes and Helm charts - Experience with Azure cloud services - Ability to troubleshoot and resolve access issues - Familiarity with Tiledesk installation is a plus, but not mandatory The main focus of this project is to get Tiledesk up and running while ensuring it's accessible for external use. Although my immediate need is for installation...

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    I'm looking to have a personalized Telegram bot created with a sole purpose of managing subscriptions. This bot should be user-friendly and specifically tailored for individual consumers. The main focus will be: - Subscription management: The bot should be capable of keeping track of user subscriptions. It should be able to start, stop, and modify the preferences of the users. The ideal candidate for this project should have prior experience in developing Telegram bots, and should particularly understand the essence of subscription management systems. Knowledge on how Telegram works, along its API usage will be of great advantage. Familiriaty with Individual consumers behavior and requirements is an added bonus. Accuracy, speed and reliability should be the main attributes of the bo...

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    I am seeking a full stack web developer highly competent at creating a web application compatible with desktop platforms. The core functionalities that the web application should contain include: - User registration and login capabilities - Seamless integration with Stripe payment gateway - A high degree of responsiveness The web application is intended to operate as an e-commerce platform, specifically as a gifting website. Users should be able to create their own accounts and share their unique URLs. The site will require a robust user account management system and an efficient, secure Stripe payment gateway. Proven experience with responsive web design and familiarity with e-commerce portals is essential for this project.

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    We are embarking on an exciting project to develop an e-SIM website and potentially a mobile app, leveraging a partnership with Airalo/HolaFly (search web) under a white-label reseller. Our goal is to create a seamless, user-friendly website that enables users to easily purchase and manage travel e-SIMs for global connectivity. We're looking for a skilled full-stack developer/agency who is experienced in React, Node.js, and integrating third-party APIs. Responsibilities: --Design and develop a responsive, intuitive front-end for the e-SIM platform using React. --Build a robust, scalable backend using Node.js, ensuring secure and efficient API integration with API provider for e-SIM management. --Implement database solutions that cater to the platform's data storage and retrie...

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    I'm having a problem setting up MongoDB with Node.js and need technical assistance. The exact version of Node.js I'm using has not been specified. I've also not specified a particular error message, so freelancers should be prepared for a variety of potential issues. Ideal skills and experiences: - Proficiency in Node.js and MongoDB. - Strong understanding of potential setup challenges - Experience solving setup issues with Node.js and MongoDB. Freelancers should cover the following areas in their proposal: - Highlight past work and experience - Submit a detailed project proposal, outlining a potential approach to resolving this issue. Please bear in mind that the exact Node.js version and error message has not been provided. By addressing these asp...

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    I am in search of a highly skilled React Native developer who possesses profound knowledge and expertise in system design, web sockets ,mongo dB, NodeJS, to take the lead on my project. Company: IT SPHERE HUB **Responsibilities:** - Develop and maintain React Native applications for iOS and Android. - Design scalable backend systems using Node.js and MongoDB. - Integrate web sockets for real-time communication. - Optimize performance and ensure responsiveness. - Conduct code reviews and propose architectural improvements. **Requirements:** - 3+ years of React Native and system design experience. - Proficiency in web sockets, MongoDB, and Node.js. - Strong problem-solving skills and attention to detail.

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    The Spreadsheet must be able to retrieve data from Database/AWS S3 storage and save the file at the same time, in addition application users can also do data entry in the spreadsheet to update tables in the application. The spreadsheet must look like Excel and must be able to manage Validations, Pivot tables, Charts. Important component is the pop up to configure the creation of multiple complex matrix tables within the spreadsheet. Application end users can Input data manually, Import data from external sources, Export data to other formats into Database or AWS S3

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    I am seeking a highly skilled developer well-versed in Node.js, React.js, and Flutter to build an effective chat system for both a web browser and mobile application. The chat system's primary users will be customers, and as such, the chat interface should be clear, responsive, and user-friendly. Key Features: * Real-time messaging to facilitate quick and seamless communication between users. * Message encryption to ensure confidentiality of the messages sent and received. * Robust user authentication to provide secure access to the chat system. Ideally, you have significant experience in full-stack development, with particular focus in Node.js and React.js for the web part, and Flutter for the mobile application. You should also have a deep understanding of real-time databases, e...

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    I am seeking an experienced developer proficient in Node.js, nginx and bash scripting. The main tasks will involve: - Configuring nginx reverse proxy: The primary purpose of this configuration is to enable caching and data scraping. Your expertise on this matter is crucial to ensure optimum performance. - Bash Script Development: Ability to create robust and efficient bash scripts is required. For the nginx configuration, we will be implementing a unique caching strategy centered around data scraping. Hence, a strong understanding and experience in various caching strategies, particularly related to scraped data is imperative. Successful delivery of this project will require a strong understanding of server-side programming, excellent problem-solving skills, and experience in managing co...

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    **Overview:** We are looking for a highly skilled Node.js developer with extensive experience in web scraping using Puppeteer. The ideal candidate should have proven experience in bypassing captchas and optimizing scripts for efficient and parallel URL scraping. **Key Responsibilities:** - Enhance an existing Node.js script that utilizes Puppeteer for web scraping. - Implement robust solutions for bypassing various types of captchas encountered during the scraping process. - Optimize the script to enable parallel scraping of multiple URLs, ensuring high efficiency and minimal resource consumption. - Ensure the stability and reliability of the scraping process across different websites. - Collaborate with our team to understand specific scraping requirements and provide technical solution...

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    I'm in the process of bringing an innovative idea to life and require a skilled full stack developer with a keen eye for detail and a passion for robust, speedy development. Here's what I'm looking for: Skills and Experience Needed: - Proficiency in both front and back-end development. - Strong intermediate-level skills in JavaScript, with an emphasis on utilizing Next.JS. - Familiarity with Large Language Models (LLMs) is a significant plus. Specific Requirements: - Develop a Minimum Viable Product (MVP) around Voice Agents. it will be wrapped around an API by a startup and use our own LLMs ( Could be fine-tuned GPTs) - Collaborate with me (a basic developer) to refine and enhance functionality, learning from each other in the process.

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    In need of a seasoned full stack developer with exemplary proficiency in JavaScript, React, Node.js, Express, and MongoDB. The project hinges on a variety of key components: - **Responsive design**: We require a highly responsive design that showcases versatility across multiple platforms and devices. - **User Authentication**: Implementation of a secure user authentication system is essential, and it needs to be facilitated using email and password logins. The ideal candidate should have a rich history of successfully developing and deploying similar projects using designated technologies. An appreciation for clear, concise code and neat documentation is highly beneficial. Proven experience in creating user-friendly interfaces conforming to responsive design principles is a must.

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    We are embarking on a project that requires a keen and reliable freelancer from Austria, who can successfully integrate a user authentication feature using IDAustria on our platform. Highlights of the Project: - Main Task: Incorporation of a specific Single Sign-On (SSO) solution into our website. - Sub Task: Ensuring secure access and implementation of an SSO. Requirements: - Fluency in proper integration with IDAustria's API is a must. - Proven track record in User Authentication and Single Sign-On (SSO) implementation. - Web development experience, particularly around user authentication. - Knowledge in ensuring secure access to user accounts. - Must be based in Austria due to the specified project constraints. We are keen on finding the right fit for this task who can unders...

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    I'm seeking a competent web developer to create a functional ecommerce website that will serve the dual purpose of selling and showcasing an array of products. Your primary task will be to ensure the following key functionalities are present: - A responsive shopping cart - User registration feature - Provisions for product reviews The site will be designed to handle a large inventory, as I plan to sell more than 500 products. Ideal skills needed for this project include proficiency in ecommerce website development, experience with large product databases, and a keen eye for user-friendly features. Familiarity with creating secure online payment systems will be a plus. The goal is to craft an engaging, seamless shopping experience for users on my website.

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    We are seeking a talented and experienced Blockchain Developer or a team of developers to upgrade our existing Roulette Game project to incorporate blockchain technology. The successful candidate(s) will play a pivotal role in enhancing the game's security, transparency, and overall user experience by implementing cutting-edge blockchain solutions. Responsibilities: Collaborate with the existing development team to understand the current architecture and functionality of the Roulette Game project. Analyze and identify areas of improvement in the game's security, fairness, and user experience. Design and implement blockchain-based solutions to enhance the game's functionality, transparency, and reliability. Integrate smart contracts into the game's logic to ensure fair...

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    PERN Full Stack -- 2 6 Tage left
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    I'm in need of a PERN full stack developer with a specialized focus on PostgreSQL. I'm specifically dealing with version 11 of PostgreSQL. Therefore, a comprehensive understanding and hands-on experience with this version is a must. Key Responsibilities: - Advanced PostgreSQL database design - Ability to handle data migration tasks proficiently - Capable of conducting PostgreSQL performance optimization The prime requirement for this job is possessing sound knowledge of PostgreSQL, particularly its 11th version. Familiarity with and React.js from the PERN stack would be a tremendous advantage. If you believe you have the right skills and expertise, it's time to place your bid.

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    Dzień dobry Szukam programisty JS, który dokona modyfikacji kodu aplikacji webowej (elektroniczna lista obecności). Frontend aplikacji to Vue, backend - Node.js Modyfikacja ma polegać na poprawie funkcji obliczających nieobecności pracowników, modyfikacji w zakresie generowania podsumowań oraz dodaniu kilku usprawnień i nowych funkcjonalności. Szczegóły zlecenia prześlę w przypadku podjęcia współpracy. pozdrawiam, Marcin

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    I have a erc20 token and a staking contract source include dapp .currently it deploy on other evm network .I need to deploy it on mumbai testnet with contract configured and it should work on mumbai testnet

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    I am currently looking for a developer with proficiency in integrating the WhatsApp Business API for our application, which collects real-time data from up to 1,00,000 members. The expected responses include integers or booleans, and certain questions have sub-questions. Our Q100 application operates on C, C++, Node.js, and Rust. Experience with the WhatsApp Business API is essential for this project. Applicants should showcase a successful track record of integrating the API into their previous projects. We give preference to developers based in Chennai. WhatsApp API functionality: - Seamless integration of WhatsApp Business API functionality. - The backend, post messages in a structured format through the UDP protocol, convert them into WhatsApp API, and trigger them to the members. - R...

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    Additional Details: - The finalized documentation should be in open API (Swagger Interface) format. - Previous experience in creating API documentation for internal use is required. - Proficiency in Swagger, MySql, and NodeJS is mandatory. Ideal Skills: - Strong knowledge and experience in NodeJS - Demonstrable experience working with Swagger - Familiarity with API documentation for internal use

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    Se tiene el código fuente de una locación de nodeJs que se compró, pero se perdió el código de compra. Es necesario modificar la aplicación para que No Solicite el código de compra.

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    Looking for developer to build site like metamax. Here is the link. I want to build the same exact one but want to use BEP20 instead of TRC20. So first signup and try with 1star package, and Start your bid your account number so I can see you checked my proposal in detail, if not decline. I will work on freelancer only, and keen on details, and reliable, careful developer. Thanks

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    Tasks: 1) Administer Ubuntu OS where we run our project 2) Transform/migrate our current angular.js to Prerequisites: 1) Accept initial hourly rate of U$5.00 2) Accept and start work immediatly 3) Have 20+ hours a week for long term ongoing support and development. 4) If you are awarded the project accept IMMEDIATELY 5) Work hours: predominantly 20:00 to 03:00 (UTC -3 Brazil TIME) 6) Be available to work on weekends. Details of our current project STACK can be seen here -> Our projects use: GITLAB -> , ag-grid, C#, .NET API, MS SQL 2017 , WooCommerce digital product sales Key Responsibilities: 1) Administer Ubuntu environment where we run our project 2) Front end work migrating our current webapp from angular to , create new pages and functionalities in 3) Developers...

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    Secure MongoDB: Expert Needed 5 Tage left
    VERIFIZIERT

    I'm in immediate need of a MongoDB expert to fortify the security of our database and user authentication mechanisms. With a critical focus on these two areas, the goal is to enhance our system's resilience against unauthorized access and potential threats. **Key Requirements:** - **Database Security:** Implement the latest security measures to protect our data from unauthorized access, including but not limited to encryption, auditing, and secure backups. - **User Authentication:** Enhance the reliability and security of our user authentication processes. This includes integrating multi-factor authentication (MFA) and ensuring that user credentials are handled securely. **Desirable Skills and Experience:** - Proficiency in MongoDB, specifically in configuring security set...

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    I'm looking for an expert to analyze and assess the current architecture of my custom-built e-commerce platform. Key tasks will include: - Identifying the specific technologies used - Deeper insight into the backend API structure - Reviewing the online URL scanning functionality - Documenting app functionality, architecture etc The ideal freelancer for this project will have extensive experience in custom-built platforms, e-commerce, and specific technology identification. The specific application has ben acquired and requires a thorough review of front end/back end configurations. Deliverable required is an in-depth document of the application

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    READ THIS CAREFULLY // ANSWER ALL QUESTIONS (Auto bids are deleted): I've got two projects that we are starting from that are both of which are open source and will be hiring two different Freelancers for this gig. This specifically is: , MongoDB (with either Mongoose or Prisma), V5 latest, TailwindCSS and in addition, we need a couple of other NPMs (Shadcn/UI, Framer Motion) and a Headless CMS for the backend (probably Strapi) along with tRPC and Stripe. You MUST use Typescript and know what you are doing in terms of best practices with , building projects that scale, organizing the folders and files properly, etc. In both cases of these projects, it will be smartest to start from a fresh install and totally just follow the project in terms of layout, structure features and imp...

    €231 - €694
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    I'm looking for a freelancer with experience in web development to create a chat module that integrates with WhatsApp using Nodes and allows visitors to our website to communicate with us via WhatsApp by scanning a QR code. Project Requirements: Previous experience in web application development and strong knowledge of Node.js, HTML, CSS, and JavaScript. Ability to integrate a QR code generation system that links to the WhatsApp business number. Experience in implementing chatbots or automated messaging systems to enhance the customer experience. Preferably previous experience in developing similar chat modules or integrations with messaging services. Expected Deliverables: A functional chat module that allows visitors to scan a QR code to communicate with us via WhatsApp. Detailed...

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    I am looking to build a portfolio website that effectively showcases my startup to potential clients. The primary features to be included are: - Case Studies: To display the successful endeavors we've accomplished and the positive impact we've made. - Testimonials: To showcase the feedback from satisfied clients we've worked with. - Contact Form: For potential clients to easily reach us with their inquiries. The website design should be professional, user-friendly, and visually stimulating. Not only should the developer be skilled in web design and development, but they should also have expertise in deploying the website and implementing SEO for optimal visibility. Considering these are core components of the project. The team's previous experience developing startup po...

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    I'm urgently looking for a full stack developer to enhance the functionality of my application. The main objective is to enrich the application's capabilities and ensure seamless operation across both web browsers and mobile devices. Given the urgent nature of this project, I need a developer who can hit the ground running and deliver quality results efficiently. **Requirements:** - Experience in developing for both web and mobile platforms, ensuring compatibility and optimized performance across different devices. - Capability to analyze the existing application framework and propose as well as implement improvements to expand its functionality. - Strong problem-solving skills and an innovative mindset to overcome challenges and introduce new features that will enhance user eng...

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    Quiero mejorar mi sistema de erp. 5 Tage left
    VERIFIZIERT

    Quiero mejorar mi sistema ERP con algunas funciones y diseño. El sistema esta hecho en React y Node. Me interesa agregar algunas funciones y hacer el sistema funcional.

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    I'm seeking a skilled developer to create a web browser focused on preventing tracking and enhancing user privacy. This browser should prioritize the privacy of its users by incorporating specific features tailored to reduce their digital footprint and protect their data. **Key Features Required:** - **Private Browsing Mode:** Ensure that browsing activities are not recorded, providing users with a secure way to access the internet without leaving traces. - **Cookie Management:** Implement sophisticated cookie management capabilities, allowing users to control what cookies are stored during their browsing sessions, effectively preventing tracking by websites. Program Langauge:- Nodejs with puppeteer Compatablity:- should run with all major socialmedia platforms, eg google twitter ...

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    I'm seeking a highly skilled developer or development team to create an innovative event discovery platform that caters to web, iOS, and Android users. This platform aims to revolutionize how users find, RSVP to, and get updates on events that interest them. To achieve this, we need a set of core features and a user-centric design approach. **Core Features:** - **Event Search and Filtering:** Implement an intuitive search system that allows users to quickly find events that match their interests. This includes advanced filtering options by date, location, and event type. - **User Profiles and RSVP Functionality:** Users should be able to create profiles to manage their event participation. This includes an RSVP feature to confirm attendance, with integration into personal calenda...

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    My project has not been updated for over three years and I'm unsure of the current version it's using. It is currently working perfectly. It is on a Linode which is currently reporting spikes in IO and CPU use (I don't know if this is a Linode issue or Meteor related) Seeking an experienced developer with: - Strong understanding of versions and updates - Abilities to asses current version and implications of upgrading - Ensure the current functionalities aren't disturbed during updating Although I had skipped on details of specific functionalities, an overall ability to handle potential issues that may arise during the update process is imperative.

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    I'm looking for an experienced full-stack developer/team to build a responsive social networking website, tailored for the nightlife scene. This platform will cater to users both on mobile and desktop. It is a cross between Eventbrite, Fever, Meetup, Instagram. The ideal candidate will have proven experience developing similar platforms and an understanding of user-friendly layouts. Overview: I am seeking someone or a team that can build an online platform dedicated to help users discover nightlife events, including after-hours parties, festivals, and more. This will cater to a diverse audience, including general users, venue owners, event promoters, and artists, providing a seamless experience across both mobile and desktop interfaces. Key Features: Personalized event discovery w...

    €1387 - €2774
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    We are currently in need of a skilled Laravel developer to assist us with developing a Firebase push notification system. Requirements for the project include proficiency in: Laravel framework NGINX Server MySQL Supervisor PHP Redis Node.js Cronjob management Firebase Push Notification integration The primary focus will be on server management, particularly ensuring stability and resilience against crashes when running queues. If you have experience in these areas and are interested in taking on this project, please let us know. We'd be happy to provide more details and discuss further. Looking forward to hearing from you.

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    I'm looking to enhance my game's user experience by implementing a new feature, specifically a popup that appears after a bet is placed. This popup is crucial as it will serve multiple purposes, primarily focused on displaying additional information to the player. Here’s a breakdown of my requirements: - **Functionality Required:** - The popup should display additional information relevant to the bet results. - It must be rich in detail yet concise enough not to overwhelm the player. - **Popup Placement:** - Ideally, the popup should be centered above the game area, making sure it garners attention without obstructing crucial game-play elements. - **Behavior:** - After displaying the required information, the popup should not close by itself or transition into an...

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    I'm seeking a Node.js expert skilled in adding a crucial feature to our colour prediction gaming script, which operates on Node.js and EJS templates. The core addition involves crafting a popup that appears following the conclusion of a bet, detailing whether a user has won or lost. This popup should not only notify users about their betting outcomes but also supply comprehensive details concerning their game performance. **Key Requirements:** - Proficiency in Node.js & EJS templates. - Experience with gaming scripts preferred. - Capability to design user-friendly popups. **Specific Features to Implement:** 1. **Outcome Notification Popups:** - Triggered by bet conclusions. - Must provide a detailed summary of the betting outcome. 2. **Popup Content:** - The popup sh...

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    I'm seeking a skilled web developer to construct a tech review blog. Ideally, your experience will sit at the intersection of web development and blog creation, favoring tech-related content. Your task will be to build a robust, engaging, and user-friendly platform where I can express my tech insights and engage with my audience. Critical elements to include are: - A comment section allowing interaction and feedback from readers - Social media integration making it effortless for readers to share posts across leading platforms Team players who are creative and have a keen eye for modern blog design principles will be profitable. Experience in building blogs and understanding the tech industry would be ideal. Your commitment to creating a platform that elevates tech discussions and...

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    MERN Stack Kirana Shop WebApp 5 Tage left
    VERIFIZIERT

    I'm looking to develop a comprehensive and user-friendly MERN stack application for my Kirana shop, that doesn't currently have an existing website. The aim is to automate, manage, and streamline multiple areas of my business operation. Key Features Required: - Inventory Tracking: Accurate, real-time stock levels, alerting for low stocks and predictive ordering. - Product Management: Easy addition and removal of products, with detailed product information. - Sales Management: Dynamic reporting and visualizations of sales, with trends and predictive analytics. - User Authentication: Secure sign-in for admins and users, with dynamic roles and permissions. - Billing and Invoicing: Hassle-free billing system, with automatic invoice generation. - Product Search and Filters: Robust ...

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    I'm seeking an adept freelancer to integrate PayTabs as the payment gateway into my current ReactJS application, which uses Firebase as a backend. This application requires the ability to handle one-time payments and hold the amount. To ensure a seamless process, I need someone who is not only familiar with PayTabs but also has a strong grasp of React and Firebase. Further information: The website is selling products website, it gives the seller the option to sell their product straight out or list it for auction. The transactions needed are as follows; if the product is listed for sale, the transaction is a normal purchase. If the product is listed for auction, the bidder must pay an amount to enter the auction, if the bidder is the highest bidder and the time expires, and the amoun...

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    I must do a no-code application that use many already made free libreries. I already start the job and i add already some libreries, but have some errors to work inside cpanel. So it is necessary solve Cpanel compatibility (now use framework, so it is necessary migrate to a compatible framework for cpanel) and make the other features of project (add other libreries and integrate. It is necessary competences in no-code application, php. react.js, python and next.js. please demostrate your comptence sending me the url of similar job made

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    I am looking to hire a skilled freelancer to help design a moderate-complexity database schema for my web application. The application's data model will resemble an SaaS Cloud bsse system, with relational data structures that are essential for the smooth operation of my project. ### Ideal Skills and Experience: - Proficiency in MongoDB for designing scalable and efficient databases schema. - Strong understanding of Vue.js and Node.js for seamless application integration. - Experience with API integrations to ensure compatibility with external systems. - Ability to design a relational data model that supports an SaaS environment. - Experience in data migration and integration projects, demonstrating a successful track record of integrating new databases with existing systems or APIs. ...

    €10 / hr (Avg Bid)
    €10 / hr Gebot i.D.
    37 Angebote

    I am in need of an experienced ReactJS developer for the creation of a sophisticated front-end application. The key features of the application must include: - User Authentication: Integrating a secure sign-in system to protect user data. - Responsive Design: The application must look and function consistently on various screens sizes and devices. - Integration with APIs: The application needs seamless integration with multiple APIs. The application must be capable of interacting with an SQL database for data storage and retrieval. Having expertise in SQL database management would be greatly beneficial for this project. Ideal Skills: - Proficiency in ReactJS and SQL - Understanding of responsive design principles. - Experience in API integration. - User authentication implementation.

    €120 (Avg Bid)
    €120 Gebot i.D.
    38 Angebote
    Fluent Flutter Enhancements Needed 5 Tage left
    VERIFIZIERT

    I'm in urgent need for a seasoned Flutter developer with strong capabilities in Node.js to join our app enhancement project. Our current focus is two-fold: first, to seamlessly integrate Apple Pay as our primary payment gateway; second, to tackle a pressing yet unspecified bug that's impacting our app's performance. Here's what we're looking for in our ideal candidate: - Profound knowledge in Flutter and Node.js - Proven experience in integrating Apple Pay - Capable of diagnosing and fixing bugs effectively - Excellent problem-solving skills In your application, I'm keen on understanding your experience. Outline your expertise clearly and highlight any similar projects you've worked on. Your background in mobile app development, particularly with Flutte...

    €136 (Avg Bid)
    €136 Gebot i.D.
    17 Angebote

    We need a dev to build a Node JS script (NOT PHP, NOT PYTHON) with OpenAI' s API (/chat) with GPT-4 function calling. Input: Write a storyboard about the character. Act like a human. The story must be continuous. Super long-form. Eye catching story. Super sad story. GINGER CAT ? GOES TO WORK AND BUYS TOYS The response will be a storyboard. Then input: Create images for each scene. This time we will need to add functions to call the DALLE-3 endpoint, e.g. addImage(prompt: String). The result: All images will be generated and stored locally (project folder). Best similar example:

    €30 (Avg Bid)
    €30 Gebot i.D.
    20 Angebote

    As your Backend Developer, I envision the following key tasks and expectations - - Focus on Backend Development: - Primarily, your role will center on backend development. You'll build and implement server-side logic to ensure high performance and responsiveness to requests from the frontend. - Expertise in Node.js: - Fluency in Node.js is essential as this is the preferred technology for the project. You'll need to employ your knowledge on this technology to efficiently solve backend complexities. - Proficiency in MySQL: - Our choice database for this project is MySQL. The ideal candidate should have extensive experience in managing, querying, and maintaining MySQL databases. Note that a deep understanding of how to integrate user-facing elements developed by a ...

    €155 (Avg Bid)
    €155 Gebot i.D.
    63 Angebote

    I am in immediate need of an experienced NodeJS developer with a strong background in creating complex APIs, particularly those that involve intricate operations with multiple data sources. The perfect candidate will bring to the table a deep understanding of both building robust server-side logic and integrating NoSQL databases, specifically MongoDB. **Primary Responsibilities:** - Design and implement API endpoints for complex data interactions. - Ensure seamless integration with MongoDB for data storage and retrieval. - Implement server-side logic to handle requests efficiently. **Ideal Skills and Experience:** - Proven track record of building complex APIs using NodeJS. - Solid experience with MongoDB, including schema design and query optimization. - Strong understanding of server-s...

    €1106 (Avg Bid)
    €1106 Gebot i.D.
    110 Angebote

    I'm in need of a developer who can construct a platform for user-submitted product reviews. This platform should contain a key feature that allows for users to provide star ratings, which will be the basis for the review system. Must-haves for this job include: - Experience in developing review systems or similar platforms - Knowledge of a star rating system and how to seamlessly implement it into the platform - Understanding the importance of user-friendly interfaces By enabling users to submit product reviews based on a star rating, we aim to elevate the consumer experience by providing clear, straightforward product evaluations. Your expertise in this field will be indispensable to the success of this project.

    €137 (Avg Bid)
    €137 Gebot i.D.
    18 Angebote

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