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!

From 273,799 reviews, clients rate our node.js Developers 4.85 out of 5 stars.
Hire node.js Developers

Filter

My recent searches
Filter by:
Budget
to
to
to
Type
Skills
Languages
    Job State
    155 jobs found, pricing in CAD

    I Have An Nginx Server And I Have Hosted A Websocket On It. But I Need To Secure My Websocket. I Have Hosted My Domain On Cloudfare and AWS . when i connect my websocket wss:// the websocket is working in postman but not working in my javascript code. it shows CERT AUTHORITY INVALID I Need Only An Experienced Person To Solve This Issue

    $200 (Avg Bid)
    $200 Avg Bid
    15 bids

    I need a proficient Node.js developer to integrate 40+ APIs into my ongoing project. This role requires the addition of new functionalities using these APIs, which have been previously selected but will be disclosed to the successful freelancer. See this website for api types Only Indian developers can bid, those apis limited for Indian servers Ideal Skills and Experience: - High-level proficiency in Node.js - Extensive experience with API implementation - Demonstrated ability to add functionalities to existing projects To apply: Please provide examples of your past work where you successfully added functionalities to projects using API integration. Your portfolio will play a major role in the selection process. This project offers an excellent opportunity to showcase your Node.js ...

    $436 (Avg Bid)
    $436 Avg Bid
    36 bids

    Integration of Remote Service: The main goal is to integrate a remote service, which is accessible via a REST endpoint, into the ThisIsMe service suite. AWS Lambda Implementation: AWS Lambdas will be utilized to handle requests to the remote service and return responses to ThisIsMe clients. This means you'll be creating Lambda functions that will act as the intermediary between ThisIsMe and the remote service. Blueprint and Flow: You'll be provided with a blueprint that serves as the foundation for the AWS Lambda service. This blueprint will outline the structure and requirements for the Lambda functions. Additionally, there will be a specified flow that must be followed during the integration process, likely outlining how requests should be made to the remote service and h...

    $735 (Avg Bid)
    $735 Avg Bid
    25 bids

    I need an experienced blockchain developer who can create a social media decentralized application (dApp) on the Desmos network blockchain. Requirements: - Expert knowledge of the Desmos network blockchain - Proficient in Decentralized applications (dApps) development - Prior experience in creating social media dApps will be a major bonus. Your role will involve: - Designing and developing the social media dApp on Desmos network. - Ensuring the dApp is fully functional and user-friendly. - Address any potential technical issues that may arise. Please provide a portfolio of previous dApps you've developed, particularly any social media dApps. This role is perfect for a blockchain programmer who values creating impactful social media platforms. Looking forward to your proposals. no...

    $849 (Avg Bid)
    $849 Avg Bid
    58 bids

    I am looking for a developer who can build Saas app for my business

    $47 / hr (Avg Bid)
    $47 / hr Avg Bid
    131 bids

    Cerchiamo un developer fullstack per training on the job per lo sviluppo di una web application MERN con Node.js e React, possibilmente Typescript, Vite, Redux, per 3D. Conoscenza per lo store da definire preferibilemnte in Mongo o MySQL con Mongose o Sequelizer. Gestione autenticazione, ' Italia o in italiano fluente.

    $38 / hr (Avg Bid)
    $38 / hr Avg Bid
    82 bids

    I'm in need of a skilled Flutter developer to help bring my application idea to life. The app already has a design/mockup ready, therefore, we'll dive straight into development. Key Features to Implement: - User Login: Experience with creating secure login systems is essential. Users should be able to create accounts, log in, recover passwords and so on. - Push Notifications: The application will need to support timely push notifications. Understanding how to implement this in Flutter is necessary. - In-app Purchases: I require someone with experience in setting up and managing in-app purchases. - DoorDash API Integration: The ability to successfully integrate a third-party API, specifically DoorDash API, into a Flutter application is also crucial. Database Preference: - Fi...

    $45 / hr (Avg Bid)
    $45 / hr Avg Bid
    209 bids
    Web-Based Ludo Game 2 days left
    VERIFIED

    I'm seeking a highly skilled developer with expertise in React.js, to create an engaging and interactive Ludo game exclusively for web. Due to its primary target audience being adults, appropriate UI/UX will be critical. - Key Game Features: - Player invite: Ability to add friends and invite them to play. - In-game chat: A seamless in-built chat system for real-time communication among players. - Game Save/Resume: Capability to save and resume games at a later date. Ideal candidates should have prior experience in developing games with these features and be able to deliver an engaging and robust Ludo game. Expert knowledge of React.js is a must.

    $21 (Avg Bid)
    $21 Avg Bid
    12 bids

    I'm in need of an expert react developer capable of working on both web and mobile platforms. The ideal candidate should demonstrate proficiency in: - React JS and React Native. - Building a content management and publishing system. - Implementing product catalogs and shopping carts. The design has been completed, so your task will be to turn these designs into a functional tool. Your understanding of the design and its translation into a working product will be pivotal to the success of this project. There are 2 different projects. 1. E-commerce website(which is 50-70% ready)(Used react js, Node js, Mongo db) 2. real estate mobile app publishing on apple app store(it is getting rejected because of some policies, which needs to be fixed and upload app successfully on app store)(Sa...

    $145 (Avg Bid)
    $145 Avg Bid
    44 bids

    I'm looking for a competent fullstack developer well-versed in JavaScript, AngularJS, and NodeJS to help in implementing user authentication, database integration, and API development in my web project. - Required Skills: - Strong command over JavaScript, AngularJS, and NodeJS. - Experience with Typescript, NX, and Jest. - Proven track record in implementing user authentication, database integration, and API development. Please include in your proposal your experience with these technologies and functionalities, and any specific projects you've worked on that are similar to the requirements above. This project may lead to further collaborations if the initial work is done satisfactorily. We are Looking for Following Project Title: Tuning Jest-Angular configuration Desc...

    $550 (Avg Bid)
    $550 Avg Bid
    31 bids

    I need a Full Stack Developer comfortable with React, Sass, .NetCore, and SQL Server to work on my website, web application, and mobile/desktop app. The primary goal of this project is to develop a responsive, high quality website that also functions as a web application, with the potential for further expansion into mobile and desktop applications. We are looking forward to have a complete Computerized Maintenance Management System (CMMS) / Maintenance Work Order(MWO). A Complete Control Pannel on Web based asapplication along with the Mobile APP + Desktop APP. With the below added features.:- + It will have Website Fully responsive, Mobile APP, Control Pannel Application + It must fully SAAS Based means related to the SAAS Based all the screen to be designed and implemented + CRM (R...

    $2923 (Avg Bid)
    $2923 Avg Bid
    145 bids

    I am in need of a skilled developer who can integrate a Paytm payment gateway into my gambling game. This is what needs to be done: - Set up a Paytm payment gateway. - The gateway must be able to receive and send payments. Required skills and experience: - Proven record of successfully integrating payment gateways, preferably Paytm, into gaming environments. - Comprehensive understanding of payment flow in gambling games. - Familiarity with security protocols and data protection related to payment gateways.

    $50 (Avg Bid)
    $50 Avg Bid
    7 bids

    I am on the lookout for an experienced developer who is well-versed in Rust and Substrate. Their main task will involve the following: - Parachain development - Creation of smart contracts - Blockchain application development - Performance optimization The expected deliverables will be optimized smart contracts and blockchain applications on Polkadot. Even though specific outcomes for the smart contracts weren't provided, the ultimate goal is to leverage blockchain's full potential. The ideal candidate should have deep knowledge of the Polkadot platform and experience in working with Rust and Substrate. A solid understanding of blockchain solutions would be an added bonus. I look forward to working with someone who can efficiently apply their skills to meet our objectives.

    $1008 (Avg Bid)
    $1008 Avg Bid
    41 bids
    Full Stack Developer Needed 2 days left
    VERIFIED

    I'm looking for a full stack developer who can work comfortably on both the backend (Node.js) and frontend (React.js) of a web application. Key Requirements: - You should have solid experience with Node.js and React.js - You will be responsible for building the backend and frontend of the web application - The project does not require third-party integrations or APIs. - Previous experience in building web applications is a plus If you have the necessary experience and skills, I'd love to discuss this project with you. Please bid with your relevant experience and portfolios.

    $16 / hr (Avg Bid)
    $16 / hr Avg Bid
    80 bids

    I'm in need of an expert in automation testing to build a suite in Cypress specifically for page having HTML. The page to be tested will be rendered on a browser, requiring expertise in browser-based testing. Key Elements: - Develop a Cypress automation suite for testing purposes. - NodeJS expertise Skills and Experience required: - Proficient in Cypress and JavaScript. - Experience in browser-based automation testing. - Knowledge in specific client-based functional testing. Additional details: Values from the HTML page have to be validated after selecting them using selectors. Once validated these values read from the page need to be appended to a file. The selections used need to be easily configurable.

    $16 (Avg Bid)
    $16 Avg Bid
    9 bids

    our company is thrilled to introduce our innovative CloudZenia Reward Program (CRP), designed exclusively for individuals and firms utilizing AWS in their projects. CRP is our initiative to foster collaboration and expand the reach of AWS within the global community. We recognize the invaluable insights and experiences of individuals and firms working with AWS, and we want to reward your contributions! How it Works: Participating in CRP is simple and rewarding: Register: Sign up for CRP on our platform and become a valued member of the CloudZenia community. Submit Information: Share specific public information about your AWS projects, such as customer names, websites, and project details. Earn Rewards: Receive monetary rewards for each validated submission, contributing to your project...

    $852 (Avg Bid)
    $852 Avg Bid
    13 bids

    I'm seeking a proficient developer to create a cutting-edge biometric micro ATM AEPS with specific features. - Features: The ATM must enable Cash Withdrawal, Balance Inquiry, and provide Mini Statements. - Security: The system should be fortified with PIN, Fingerprint, and OTP authentication to ensure secure transactions. - Connectivity: It should support 3G, 4G, and Wi-Fi connectivity for seamless operations. Ideal Candidate: - Proficient in developing biometric systems and ATMs - Experience with integrating various authentication methods like PIN, Fingerprint, and OTP - Skilled in programming for different connectivity types - Prior experience in developing AEPS systems would be a plus. Please share your relevant experience and provide a proposal outlining how you would approac...

    $110 (Avg Bid)
    $110 Avg Bid
    6 bids

    I need a proficient Neo4j and React.js developer to undertake a unique project building a comprehensive family tree application. The application will securely store important family details, providing a rich, structured view for users. Your primary role will be: 1. Data integration: The system should incorporate a variety of information, including: - Names - Dates of Birth - Relationships - Age - Occupation - Location - Blood Group 2. Search Functionality: Develop a user-friendly search system, allowing users to explore the family tree through different properties, including: - Age - Occupation - Location - Blood Group - Names - Relationships 3. Individual Profiles: Engineered for each family tree member, profiles should display: - Age - Oc...

    $182 (Avg Bid)
    $182 Avg Bid
    9 bids

    My Angular 17 SSR build server is experiencing an error. The message I'm seeing is "Self is not defined" and I'm unclear which area of functionality this is impacting as this detail was inadvertently skipped when I sought to document the issue. Additionally, the information regarding recent changes to the code or project structure is not available. I'm looking for a proficient Angular developer who can troubleshoot and fix this issue. Ideal Skills: - Extensive experience with Angular 17 SSR - Proven track record in troubleshooting and resolving Angular errors. - Ability to conduct a comprehensive review to identify potential factors triggering the error. - Good communication skills to keep me posted on your thought process and solution strategy.

    $33 (Avg Bid)
    $33 Avg Bid
    11 bids

    BIOMETRIC MICRO-ATM FOR AEPS (AADHAAR ENABLED PAYMENT SYSTEM) Aadhaar enabled Payment System (abbreviated as AePS) - an Aadhaar dependent framework is rolled out by GOI for instigating financial inclusion in India to extend biometric & Aadhaar based banking/financial services to the citizenry through the fingerprint or iris Micro-ATMs. Incorporation of biometric fingerprint scanners or iris scanners for reliable and flawless bank transactions will lead towards safer execution of banking & financial services. Aadhaar enabled Payment System (abbreviated as AePS) is a secured payment method formed by the National Payments Corporation of India (NPCI) facilitating the bank account holders to efficiently execute their banking/financial services such as money deposit, balance inquiry, ca...

    $115 (Avg Bid)
    $115 Avg Bid
    8 bids

    I am seeking an experienced web developer to create a new E-commerce website. Project Details: - The primary focus of this website is to facilitate online transactions for a range of products and services. I expect seamless functionality of shopping features like carts, payment gateways and user login systems. Skill Requirement: - Proven experience in developing E-commerce websites is a must. - Knowledge of different web languages is advisable as no specific language or framework is mandated for this project. Proficiency in JavaScript/Node.js, Python/Django or PHP/Laravel will be beneficial. Your ability to deliver a website that is both functional and user-friendly will be paramount. I am looking forward to reviewing your proposals and finding the right fit for this project...

    $1249 (Avg Bid)
    $1249 Avg Bid
    81 bids

    I am searching for an advanced Full Stack developer, specializing in Angular 4+. I require expertise for the development of a new Angular application, as well as for improvements to an existing one. Ideal Skills Required: - Proficient knowledge of full stack development. - Deep understanding and experience with Angular 4+. - Ability to improve existing applications, as well as create new ones from scratch. - Excellent problem-solving skills, attention to detail and ability to deliver high-quality code. Please include examples of prior work with both new application development and improvements of existing applications in your application.

    $146 (Avg Bid)
    $146 Avg Bid
    18 bids

    More details: What specific functionality would you like to integrate with Paytm UPI on your website? This question was skipped by the user What is the main purpose of integrating Paytm UPI on your website? Accepting payments from customers Do you require any specific Paytm UPI APIs to be integrated apart from the payment processing API? Payment status API

    $25 (Avg Bid)
    $25 Avg Bid
    10 bids

    I'm looking for a full stack developer who can work comfortably on both the backend (Node.js) and frontend (React.js) of a web application. Key Requirements: - You should have solid experience with Node.js and React.js - You will be responsible for building the backend and frontend of the web application - The project does not require third-party integrations or APIs. - Previous experience in building web applications is a plus If you have the necessary experience and skills, I'd love to discuss this project with you. Please bid with your relevant experience and portfolios.

    $525 (Avg Bid)
    $525 Avg Bid
    33 bids
    Flash loan Bot 1 day left

    Flash loan arbitrage bot on DEX DeFi like uniswap and others. You have to know how to do it. It's not enough to just have heard about it. We are looking for someone who has already done this themselves. We want to search for the suitable tokens with a scanner we want to take a flash loan we want to buy a token with it We want to sell the token at a higher price. We want to do all of this faster and cheaper than the others. That means we buy wBTC or wETH, for example, so that we don't have to bridge them. that costs too much time and too much money. We want to integrate this offer into our exchange. That means our frontend should be used. We do the design for the frontend, you set up the endpoints with all the backend code. ATTENTION WE DO NOT PAY FOR THE TRAINING OF DEVELOPERS ...

    $115 / hr (Avg Bid)
    $115 / hr Avg Bid
    25 bids

    I need a Node.js developer with experience in integrating Chinese payment gateways for a lottery web application. - The task involves integrating a Chinese payment gateway, such as Alipay, WeChat Pay, or UnionPay into the lottery web application. - The primary focus will be on the payment processing system to ensure that it functions seamlessly within the application. - Experience with integrating payment gateways into web applications is essential. - Knowledge of Node.js is required for this project. Please bid if you have experience with Chinese payment gateways and are proficient in Node.js.

    $18 (Avg Bid)
    $18 Avg Bid
    4 bids

    Does ANYONE On here actually WANT to work? We are looking to build a case opening + case battles website similar to powered by ETHEREUM and based on Several PC game tittles like CSGO, Fortnite and DOTA Where users can open up cases for a chance in the hopes of opening a valuable item. Each case has ods and Chances of pulling a certain ticket and that ticket will determine which item they receive. This is the same for case opening (solo) and case battles (2 - 4 players) There is also a competior and we like how they handle the battles. We want to include similar functions as they have: attached we will put some milestones with payments which will form the project milestones. LOW Bids will be LOW RATED and hidden. more details in the attached PDF max budget is $500 + Bonus And we...

    $410 (Avg Bid)
    $410 Avg Bid
    48 bids

    We need a web-based or desktop tool that allows us to upload third-party APKs and Firebase configurations. The tool should automatically modify the APKs to include notification and tracking code, enabling notifications and monitoring of app usage via our Firebase account once the app is installed on any mobile device. Functionality: Upload APKs and Firebase configurations through an intuitive user interface. Modify the APKs to include code that enables notifications from our Firebase account. Incorporate tracking code to monitor APK usage Compatibility: The tool should work with all types of APKs, including apps and games. User Interface: Provide a clear and user-friendly interface for uploading and managing APKs and Firebase configurations. Display relevant information and logs to the ...

    $1599 (Avg Bid)
    $1599 Avg Bid
    21 bids

    Please read carefully the full project before bidding. I consider and read all bids and bidders. Don't waste my time with a fake bid to get me to message you (I will ignore your bid). This is a seed project with the potential of an ongoing projects. I have questions within the description to make sure it is fully read. Please answer them in your bid. This is a bid. Don't ask what is your budget? The freelancer will provide knowledge and support to create an online post-secondary institute website. The website is scalable and easily deployable. Choose the best domain registrar with the best hosting package, if the domain registrar and host offers website development and designs...or if registrars/host offer integration with LMS or SIS (I would use an open source LMS or SIS with t...

    $73 (Avg Bid)
    $73 Avg Bid
    22 bids

    Tamil dev only bid me , dont waste your bid

    $440 (Avg Bid)
    $440 Avg Bid
    10 bids

    I'm in need of a freelancer to help me with bug documentation for my React/Node.js application. Your primary task will be to record a video of the bug as it happens. Please include the code in the developer console in the video. If interested, please message me and I'll provide a fully subscripted tester account for you. My website is a subscription-based practice exam platform. It offers 3 subjects: Mathematical Reasoning, Thinking Skills, Reading. Practice exam: Students receive 40 minutes to complete exams which are made up of x multiple-choice questions. Reading has 30 questions, Thinking skills has 40 questions, Mathematical Reasoning has 40 questions. Mock exam: Students complete 3 practice exams in a row - 1 Reading, 1 Thinking Skills, and 1 Mathematical Reasoning. Func...

    $159 (Avg Bid)
    $159 Avg Bid
    62 bids

    I'm looking for a skilled software developer with experience in image recognition algorithms and a strong understanding of Node JS. The mission is to design and implement an image-based product recommendation engine to improve the user experience on our mobile app. User captures an image and the search should result in related products. Your duties will include: - Designing a relevant and useful recommendation engine to power product recommendations to ecommerce app - Implementing this engine into our Node JS backed mobile app. A successful freelancer will: - Have experience developing recommendation engines, specifically image-based. - Demonstrate successful past work in this field. By enhancing the user experience, we aim to drive customer satisfaction up and excite our audienc...

    $484 (Avg Bid)
    $484 Avg Bid
    18 bids

    *(DATING and SOCIAL NETWORK WEBSITES )! I'm looking for a highly skilled and React.js developer who can expertly handle complex application development. Your responsibilities will include: - Frontend development: creating robust and efficient codes that will drive our web application. - User authentication: implementing secure protocols for signing in and maintaining user sessions. - Advanced UI components: building sophisticated UI features that dovetail effectively with user actions and responses. - Real-time data synchronization: making sure our user's data synchronizes in real time, ensuring a seamless user experience across devices. - Seamless integration with various third-party APIs, crucial for expansive functionality Ideal candidates should have extensive experienc...

    $3722 (Avg Bid)
    $3722 Avg Bid
    93 bids

    We are in need of a skilled web app developer to create an AI-powered text classification system. We are looking for a developer to make a web app that is able to accept any kind of raw text or a pdf and extract raw text from it. So, the initial page can have 2 options for Data Source: Raw Text and PDF (We might add support for other input formats as well in the future). Next, once we have the text available, it should split the text based on the lines. It can split on the full stop character. And then every line must be sequentially given to a ML model. This would be a text classification huggingface model, which can be instantiated via this code: from transformers import pipeline pipe = pipeline("text-classification", model="legal-text-classification/IndianLegalBE...

    $35 (Avg Bid)
    $35 Avg Bid
    6 bids

    I am looking for a developer who can design a data uploader for my website. The primary purpose of this tool is to allow me to upload different types of files such as Excel spreadsheets, CSV files and Text files into my website's backend. Key Requirements: - Support for multiple file types: The uploader should be able to accept a variety of file formats, including Excel spreadsheets, CSV files, and Text files. - Basic Data Validation: Before the data is uploaded, I need this tool to perform basic data validation. This would involve checking for field completeness to ensure that all necessary fields are populated before the upload is allowed. Ideal Skills and Experience: - Proficiency in web development: The ideal candidate should have a strong background in web development, particu...

    $3 / hr (Avg Bid)
    $3 / hr Avg Bid
    18 bids

    i need a backend preferably in nodejs. one endpoint. that submit some birh date data. then the backend should request the html from anotherwebsite, fill its form click on submit get the data and send them

    $211 (Avg Bid)
    $211 Avg Bid
    69 bids

    Tamil dev only bid me , dont waste your bid

    $367 (Avg Bid)
    $367 Avg Bid
    7 bids

    I'm offering a full-time, PAID internship opportunity for approximately 3 to 6 months (please apply with CV). The project involves building a web app or website, including working on an existing project. The ideal candidate for this position will have experience with React, TypeScript, Node.js, and Java Spring Boot. Key Details: - Full-time, approximately 3-6 month internship - Building web applications from scratch - Working on even existing projects Requirements: - Experience with React, TypeScript, Node.js, and Java Spring Boot - Open to discussing and implementing key features with the candidate - Ability to work independently while also being a team player - Must be able to work remotely Feel free to reach out if you're interested in taking on this challenge.

    $1089 (Avg Bid)
    $1089 Avg Bid
    36 bids

    I'm in need of a skilled Node.Js developer to create an advanced trading bot for my upcoming Steam trading website. Key Requirements: - **Trading Bot Integration**: This is the core feature of the project. The bot should be capable of enabling users to execute item for item trades. - **Highly Customized with Full Control and Analytics**: The level of customization needed is very high. I expect the bot to have user controls and detailed analytics for optimal performance. Please view our two resources provided which is what i could find. We need a developer that can assist us with designing, developing, improving and deploying the website to our server after testing to see if it works. Please have a look at the two references and go through it so we can discuss options to improve...

    $752 (Avg Bid)
    $752 Avg Bid
    81 bids

    With I can connect to the websocket via the web browser. But I want to connect to this socket with nodejs, unfortunately I couldn't get a successful connection. I am ready to pay a fee to an experienced websocket and autobahn person just for a successful connection to websocket.

    $182 (Avg Bid)
    $182 Avg Bid
    21 bids

    I'm looking for an experienced developer to create a dynamic API tool. The tool needs to be able to create API endpoints (CRUD) for various data sources and publish them as endpoints. and call api and generate code on database procedure . The backend should be developed using Node.js, and the frontend can be either JavaScript or React. Key Requirements: - Ability to create POST (Create), GET (Read), and PUT (Update) API endpoints. - Capable of connecting to different data sources, including relational databases, NoSQL databases, and external APIs. - Handling authentication and security using JWT, OAuth, and Basic Authentication. Ideal Skills: - Strong experience in Node.js for backend development. - Proficiency in frontend development, particularly in JavaScript or React. - Previo...

    $724 (Avg Bid)
    $724 Avg Bid
    70 bids
    social media app 7 hours left

    Project Title: MongoDB Aggregation Performance Optimization Project Description: We are experiencing significant delays with a MongoDB aggregation pipeline in our application. The specific controller takes about 36 seconds to complete when a user has a large amount of chat data in the database. We need a MongoDB expert to review and optimize the aggregation pipeline for improved performance. Details: Our application is built using Node.js with Mongoose as the ODM for MongoDB. The current issue arises when retrieving a user's chat list. The aggregation pipeline fetches chat messages for a given user, including related user information and performs various operations like sorting, grouping, and filtering based on certain criteria. Current Function: Here’s the function that h...

    $29 / hr (Avg Bid)
    $29 / hr Avg Bid
    49 bids

    I need an experienced Node.js developer to create an automation script for my server deployment. - Automation Task: The script should automate routine server deployments, keeping my operations efficient and consistent. - Server Deployment Activities: The core function of the automation is to handle financial transactions, particularly trading activities. Proficiency in financial systems and trading platforms is necessary. - Financial Transactions: The successful candidate should also have experience with the handling of financial transactions within Node.js applications. The ideal candidate should have brilliant knowledge with Node.js, experience in automating server deployments, and a strong understanding of financial trading systems. Looking to kickstart this ASAP.

    $158 (Avg Bid)
    $158 Avg Bid
    11 bids
    Build Website 5 hours left

    I want this type website

    $255 (Avg Bid)
    $255 Avg Bid
    44 bids

    I'm currently seeking an expert in MongoDB, Node.js, and Socket-IO. My application, specifically the aspect of data retrieval and display, is suffering from slow queries leading to suboptimal performance. Your task will include: 1. Identifying: Look into the current system and detect the exact spots causing delay. 2. Rectifying: Once detected, your task will be to rectify the problems and rewrite the slow queries. Skills and Experience • Strong knowledge of MongoDB, Node.js, and Socket-IO • Proven experience in optimizing database queries • Proficient in real-time applications, specifically dealing with data display and retrieval Please note that there's no maximum limit to the amount of data that should be retrieved and displayed without significant delay, so ...

    $16 / hr (Avg Bid)
    $16 / hr Avg Bid
    16 bids

    I am looking to build a cutting-edge online casino website featuring progressive jackpot slot games and incorporating cryptocurrency transactions. Here are my requirements: - Implement a variety of exciting and engaging slot variants with a focus on progressive jackpot slot machines. - The website should be designed to support cryptocurrency transactions, offering an innovative and secure way for users to enjoy their gaming experience. An ideal candidate should: - Have experience developing betting websites, particularly online casinos. - Show a strong understanding and knowledge of integrating cryptocurrency payments. - Be experienced in designing engaging and successful slot machine games, specifically progressive jackpot slots.

    $52 / hr (Avg Bid)
    $52 / hr Avg Bid
    30 bids

    Use React and Javascript. Google Books API. Dockerize your Google Books app. Test the app from the container and make sure that everything works as expected. Compose a report that provides detailed steps... (Budget: €250 - €750 EUR, Jobs: Java, JavaScript, Node.js, Software Architecture, Test Automation)

    $713 (Avg Bid)
    $713 Avg Bid
    26 bids

    The main goal is to provide companies the tool they need to use WhatsApp as a collaborative way to communicate with their customers without need to go with WhatsApp pro API. The administrator needs to be able to add or delete agents The administrator needs to be able to add or delete phone numbers and will be able to scan QR codes if the WhatsApp solution needs it. The only setting needed at the moment for the administrator is to choose if all agents can see all conversations or if agents can see only their own conversations. Admin should also choose if the incoming conversation with no agents assigned should be assigned in a round-robin or if manually assigned. The administrator can create e quick answer that could be used into chats We will provide frontend design for Chat and other pa...

    $815 (Avg Bid)
    $815 Avg Bid
    97 bids

    Necesito ayuda para instalar el cliente KiwiIRC, el cliente KiwiBNC y el plugin "conference" en mi servidor UnrealIRCd. Tanto el servidor UnrealIRCd como los clientes KiwiIRC y KiwiBNC, junto con el plugin "conference", se encuentran en el mismo servidor. El objetivo es tener una configuración funcional que permita a los usuarios acceder al servidor IRC a través de KiwiIRC desde sus navegadores web, utilizar KiwiBNC para conexiones persistentes y habilitar la funcionalidad de conferencia con el plugin "conference". Tareas a Realizar: Instalación de dependencias: Verificar e instalar las dependencias necesarias para ejecutar tanto KiwiIRC como KiwiBNC y el plugin "conference" en el servidor. Descarga y configuración de Ki...

    $112 (Avg Bid)
    $112 Avg Bid
    5 bids

    Recommended Articles Just for You

    If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
    11 MIN READ
    Learn how to find and work with a top-rated Google Chrome Developer for your project today!
    15 MIN READ
    Learn how to find and work with a skilled Geolocation Developer for your project. Tips and tricks to ensure successful collaboration.
    15 MIN READ