JavaScript Jobs

JavaScript is one of the most popular programming languages in the world. If you are looking for a website to be created with sophisticated interactivity or in search of an impressive mobile app, using JavaScript is the way to go. With the help of our expert Javascript Developers, you can bring your idea to life.

A Javascript developer on can create dynamic web applications with extended features and improved user experiences. They can also design advanced gaming applications, develop cloud applications, and create powerful websites that work with less coding and low complexity.

Here's some projects that our expert Javascript Developers made real:

  • Developed interactive websites & apps with detailed user accounts experience
  • Created powerful applications that streamline complex data into actionable insights
  • Built custom Windows and Mac software designed to fit client specifications
  • Developed mobile apps that enables customers to access data from their phones
  • Connected databases to web interfaces with easy input/output functionality
  • Optimized existing code for faster loading pages and smoother user workflows

Javascript Developers on know how to turn ideas into reality. They are experienced professionals dedicated to excellence and creating top-notch scripts that are easy to use, reliable and fast. If you have an idea but don’t know how to turn it into technical reality, is the place to post your project. Hire our expert Javascript developers today!

From 694,116 reviews, clients rate our Javascript Developers 4.86 out of 5 stars.
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    Need 2 screens React PWA 6 days left

    I need a React Progressive Web App (PWA) with two screens that will be used on mobile devices. The purpose of the screens is to collect user input through a form submission. Ideal skills and experience for this project include proficiency in React and PWA development. App is very simple with all data saved locally without any API integration. I also need a daily push notification using onesignal and google analytics integration.

    $109 (Avg Bid)
    $109 Avg Bid
    12 bids

    I am looking for a developer to help me with React API integration. Specifically, I need to connect all three components with an API. However, I need some customizations to be made in the integration process. Therefore, I am looking for someone with experience in React API integration and the ability to customize it to my specific needs.

    $127 (Avg Bid)
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    7 bids
    java code debugging 6 days left

    Java Code Debugging Project I am looking for a freelancer with expertise in Java programming to help me debug my code. The current issue with the code is syntax errors, although I am not sure if there is a specific section causing the issue. I am looking for someone who can work within a flexible deadline and has experience with Java syntax errors. The ideal candidate will also have experience with debugging complex code and be able to communicate effectively throughout the process. Skills required: - Strong knowledge of Java programming language - Experience with debugging syntax errors - Ability to work independently and communicate effectively - Familiarity with complex code debugging techniques If you have the skills and experience necessary to complete this project, please subm...

    $26 / hr (Avg Bid)
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    Looking for an experienced Java and Spring Boot/Microservices professional to assist with the development and maintenance of our system. Main Goal: Integrating multiple systems to improve functionality and efficiency. Specific Features/Functionalities: - User Authentication and Authorization - Database Optimization - API Development and Integration Timeline: - Flexible, can be completed within a month Ideal Skills and Experience: - Strong experience with Java and Spring Boot/Microservices - Knowledge of database optimization techniques - Comfortable with API development and integration - Familiarity with user authentication and authorization protocols - Ability to work independently and within a team environment - Strong problem-solving skills and attention to detail - Ex...

    $407 (Avg Bid)
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    4 bids

    We require a professional with experience in Elementor and (back-end) programming of Wordpress. Required to update the headers of our current faytech website, with the one similar as Pyramid. As we recently became a part of Pyramid. Skills and Experience: - HTML, PHP, CSS, JavaScript, - plug-in experience: Elementor, WooCommerce, Enfold Theme, (would be great but no must have), Multilanguage. Project Requirements: - Quick support and assesment, total transparency - show how it is planned to look like before actual release - ensure the headers have the same as on the pyramid global website > header

    $13 / hr (Avg Bid)
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    47 bids

    Hello, I need HTML and CSS developers, I will provide a theme to candidate and you have to update it with requirement. Good luck.

    $9 / hr (Avg Bid)
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    45 bids
    Ruby on rails teach 6 days left

    Willing to explain how it works and open to working together in long-term business relationships.

    $167 (Avg Bid)
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    9 bids

    i need help uploading twitter bot in heroku use: twitter api database

    $38 (Avg Bid)
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    5 bids
    Clone the website with react 6 days left

    I'd like to copy this website with react send me the proposal with the estimated cost and time

    $434 (Avg Bid)
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    58 bids
    WordPress Speed Optimization 6 days left

    Hi We are looking for WP Dev to bring our score to 99+ and GT Metrix to A+ (both mobile and desktop). Page must load in < 0.8 seconds on mobile and < 0.5 seconds on desktop. Only devs with experience in this field should bid. Thanks

    $105 (Avg Bid)
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    31 bids

    Looking for an experienced software developer to create a point of sale system similar to Kyte, but better, with added appointment booking functionalities. The system should be user-friendly, reliable, and secure. The ideal candidate should have experience developing similar applications and be able to provide examples of their work. The system should include the following features: Inventory Management: easily track and manage your inventory levels, set up low-stock alerts, and receive notifications when products are running low. Sales Tracking: view real Time sales transactions made in real-time, including the date and time of sale, product sold, and payment method used. Payment Processing: multiple payment options for customers to pay for their purchases such as cash, credit card...

    $895 (Avg Bid)
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    16 bids
    Node js. scraper 6 days left

    I need the Node js. scraper for multiple jobs. Details will be discussed.

    $9 - $72
    $9 - $72
    9 bids

    we looking for a skilled developer to create a blockchain based multi-services software and delivery web and app platform. timeline of this project 3-4 months. The ideal candidate should have experience working with BTC, ETH, BNB, BNB smart chain tokens and ETH smart chain tokens. The platform will offer a variety of services including Delivery, Payment, Marketplace and Home Services. The target user demographic for the platform will be Individual Consumers, Small Businesses and Enterprises. If you have experience working in blockchain technology and developing multi-services platforms, we would love to hear from you! DOC:- NOTE ?:- we clearly said what we need on the document have you read This project main part is the document wallet (cryptocurrency) and payment, Finance (E-Wallet)...

    $6358 (Avg Bid)
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    34 bids
    Theme update 6 days left

    Hello, I need HTML and CSS developers, I will provide a theme to candidate and you have to update it with requirement. Good luck.

    $28 (Avg Bid)
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    17 bids

    I am looking for a skilled programmer who can develop a tool using either Javascript or Python. The tool will be used on a website platform and will have the main purpose of allowing users to claim daily rewards from a bot. Specifically, we require the following features: - Auto-claiming functionality - Noitification reminders The ideal candidate for this project should have experience with Discord or Slack bots, as well as strong skills in Javascript or Python. Additionally, experience with web development and API integration will be a plus. We are looking for someone who is able to deliver a high-quality tool that is user-friendly and reliable. The website :

    $378 (Avg Bid)
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    7 bids

    Hi, I want a AI Interior Designer based on this open source script "". The demo to this link is The entire website can be made using this script. I want you to make me a custom frontend to differentiate my website and change any API keys needed like Stripe. I will also provide the front end design for reference. Since the entire script is avaliable, this project should not take more than a week to complete. Thanks, Syed

    $30 (Avg Bid)
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    4 bids
    Maps & Listings 6 days left

    I'm looking for a freelancer to create an interactive map for me with Google Maps as the platform. The map should have custom markers, directions, and search functionality. It should be easy to use and visually appealing. I'm interested in having the ability to add custom markers, pins, images, and more to the map. I'd also like the map to be optimized for mobile devices and have a responsive design. Lastly, I'd like to have the option of adding different layers to the map to better visualize my data. I would like this linked with member profiles.

    $26 (Avg Bid)
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    5 bids

    I am looking for a frontend developer to enhance the user experience and interface design of my website. Ideal candidates should be proficient in Javascript and have experience in developing responsive and visually appealing interfaces. The project deadline is within 1 month, so I need someone who can work efficiently and deliver quality work on time. Previous experience with React, Angular, or Vue.js frameworks is a plus. The main goals for this project include: - Improving website navigation and user flow - Redesigning UI elements to be more modern and intuitive - Optimizing website performance and loading speed - Implementing new features to enhance user engagement If you have the skills and experience to deliver an exceptional frontend design, please apply and showcase your portfol...

    $22 / hr (Avg Bid)
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    86 bids
    Trophy icon Web Developer 13 days left

    We need you to build our website from scratch. Our company is about trucking and logistics. Please provide us your Porfolio

    $135 (Avg Bid)
    22 entries

    I am looking for an experienced user interface and user experience designer to create a website with a Quora-like approach. The main purpose of the website is to provide a knowledge sharing platform. A vibrant and colorful design is my preference, while ensuring a sleek user experience. To provide an interactive platform for users, I need an upvoting system and strong user profiles with the ability for categorization and tagging. A minimalist and corporate feel is also desired. The ideal individual for this project will closely understand these requirements and be experienced in creating similar projects.

    $452 (Avg Bid)
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    60 bids

    I want any javascript that auto click on page onload or after delay, when autoclick on page popunder ads will open, and browser not block popup.

    $24 / hr (Avg Bid)
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    13 bids

    I am looking for an experienced developer who has expertise in and HTML 5 Canvas to solve 2 problems. 1- To make videos work on top of Fabric.js. 2- To make the HTML 5 Canvas mobile responsive. My in-house developer is working to fix the above 2 problems and he is available to provide technical briefings. More details in chat.

    $391 (Avg Bid)
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    13 bids
    Gaming website 6 days left

    I am looking for a skilled developer to create a gaming website that will feature action games. The website should have an integrated payment system to allow users to purchase games and other items, as well as user registration and profiles. Additionally, the website should have leaderboards and achievements to enhance the gaming experience. It should be compatible with both desktop and mobile platforms. Ideal skills and experience for this project include proficiency in web development, payment integration, and mobile optimization.

    $20 / hr (Avg Bid)
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    10 bids

    Hello there, I am looking for complete redesign/ modernize website some thing similar to pls provide sample references and let me know the time and estimate for the work. regards

    $102 (Avg Bid)
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    32 bids
    Swap by uniswap sdk 6 days left

    I need help to swap my token using uniswap sdk.

    $35 (Avg Bid)
    $35 Avg Bid
    10 bids

    I am looking for a freelancer who can develop a script for my fibre optic router that allows it to reboot in a programmed way. I do not have a specific router model, but I can provide details if needed. I want the router to reboot every time I want it to, so there is no specific frequency required. The reboot process should not cause any disruption to my internet connection, and I would prefer maximum speed for the reboot process. My main requirement is customized time settings for the reboot process, which means I need to be able to set the time for the reboot to occur. Ideal skills and experience for this job include: - Experience in router programming and scripting - Knowledge of fibre optic routers and their capabilities - Ability to customize time settings for reboot process - St...

    $201 (Avg Bid)
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    10 bids

    I am looking for a skilled web developer who can create a website for my company that rents slingshots. The website must have a calendar-based booking system that allows customers to book only one product for rent. I prefer a minimalist and modern design for the website. The website will not need to integrate with any other systems or platforms. Ideal skills and experience for the job include: - Proficiency in web development languages such as HTML, CSS, and JavaScript - Experience with booking system integrations - Knowledge of web design and user experience - Attention to detail and ability to deliver a high-quality product on time.

    $249 (Avg Bid)
    $249 Avg Bid
    108 bids

    I am looking for project support for my personal project, which is aimed at learning a new skill and creating a portfolio. Specifically, I am seeking technical assistance in the area of software development. Ideal skills and experience for this job include: - Proficiency in the programming languages and frameworks required for my project - Experience in web application development expertise in docker swagger api, angular node and graphql , next js If you have the technical expertise and are excited about the opportunity to help me bring my personal project to life, please reach out!

    $689 (Avg Bid)
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    32 bids

    Hello I want to create my own crypto please help me is any cryptomaniac here for helping me

    $295 (Avg Bid)
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    28 bids

    Hello freelancers, We are currently looking for an experienced Full Stack Developer, specializing in backend development with Laravel and frontend development with Angular. As a developer, you will be responsible for designing, developing, and maintaining our web applications. Requirements: Strong experience in backend development using the Laravel framework Proficiency in PHP and best development practices Practical experience in creating and maintaining MySQL databases In-depth knowledge of designing and developing RESTful APIs Experience in frontend development using Angular (or equivalent experience with another JavaScript framework) Ability to work in a team and collaborate effectively with other members of the development team Self-motivation and the ability to manage multiple pro...

    $781 (Avg Bid)
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    120 bids

    I want to have someone replicate the look and feel of a WordPress website. Although it should be similar design-wise, the content would be different and it will have my own brand. I only need to keep the structure. It's a real estate website, the URL will be provided to the selected candidate. The project deadline is 1-2 weeks. I'd need you to tell me how many pictures and how many videos are used in the website so I can provide the same. The search option is provided by our real estate board which I will provide you to imbed to the website. Skills and experience ideal for the job: - Experience in website design and development - Knowledge of HTML, CSS, and JavaScript - Attention to detail - Ability to meet deadlines - Good communication skills

    $547 (Avg Bid)
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    67 bids

    In a custom made schedule system the loading of a page takes too long. Waiting for server response is almost 4 seconds. System is Php, mysql, vue and bootstrap.

    $197 (Avg Bid)
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    93 bids

    I am in need of a Chrome browser extension that serves a utility purpose. Specifically, I have a clear idea of the features I need included in the extension. The level of customization required is intermediate. Ideal Skills and Experience: - Proficiency in developing Chrome browser extensions - Experience with JavaScript, HTML, and CSS - Ability to implement user interface design and functionality - Strong attention to detail and ability to meet project deadlines. I need about 8 browser extensions. Most of the extensions will be providing Facebook related services. It needs to be coded with Manifest V3 for the Chrome browser. I think max 2 weeks is enough time. This works get 4-7 days I think. This work will be done by the person who will give the best price. The database will be used...

    $217 (Avg Bid)
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    16 bids

    I am looking for a skilled Flutter developer to implement XML data and create a custom layout for a mobile and tablet responsive app. The app will display text data only, and the layout will need to be customized to our specific requirements. The ideal candidate will have experience with Flutter and XML data implementation, as well as a strong understanding of responsive design. The project requires a tablet and mobile level of responsiveness.

    $204 - $612
    $204 - $612
    22 bids

    There is an open source WBO whiteboard I want to allow the user in my WBO forked version to edit text directly on SVG without noticing the transition between editing and viewing modes. I was thinking about a contenteditable div that appears when the user clicks on a text area, and that can be closed by clicking the cursor away from it. The text displayed in textarea should look identical to the text drawn on SVG. It must have cross browser compatibility on Firefox, Chrome and Edge. My WBO version code will be sent to the selected freelancer. An example below.

    $221 (Avg Bid)
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    34 bids

    Hi, I’m looking for a full-stack WordPress developer to develop a Quran plugin for a Quran website The website's database already contains all Quran data including text, translations, audio etc. It will be your job to convert the Quran into something interactive like the following websites: The following features will be required: • Select translation • Word-by-word translation, transliteration and recitation • Change Quran font • Change format to verse-by-verse or continuous reading • Change theme You must be skilled in WordPress, PHP and Javascript. A full brief will be sent to you of the requirements. Looking for a long-term working relationship. Thanks for looking!

    $1302 (Avg Bid)
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    154 bids

    To get all the orders & payments sync between Shopify & Oddo. Preferable how have done it beofre

    $628 (Avg Bid)
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    37 bids

    I need a Quasar framework and Vue.js Cordova expert to help me create a new web application from scratch. I already have a design in mind, so I am looking for someone who can help me bring my vision to life. The project timeline is 3-4 weeks, so I need someone who can work efficiently and deliver high-quality results within that timeframe. Skills and Experience: - Expertise in Quasar framework and Vue.js - Experience in creating web applications from scratch - Ability to work efficiently and meet strict deadlines - Strong design skills to bring my vision to life

    $13 / hr (Avg Bid)
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    9 bids

    I am seeking a skilled developer to assist me in building an NFT marketplace on Kadena Chain. The ideal candidate should have experience with Reactjs and be able to work efficiently with this programming language. While I do not have a specific design in mind, I do have some basic requirements for the layout of the marketplace. I am primarily interested in incorporating token minting functionality, and would like the platform to support this feature. If you have experience with building auction functionality and NFT trading, that would be a plus. Please reach out to me if you are interested in working on this project. sample :

    $2444 (Avg Bid)
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    The task consists of adding a custom field in the delivery and billing addresses in checkout, the field must be reflected in the order data and must also have validation (I have the formula to validate) and an input mask in the input with a certain Format

    $43 (Avg Bid)
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    16 bids

    I am looking for a skilled Javascript/CSS developer to assist me in displaying my footer under a sticky container on my WordPress website. The ideal candidate will have experience working with WordPress and be able to create an advanced footer design with custom widgets. I require the following additional functionality in the footer: - Custom widgets This functionality needs to be added only for Desktop. If you have experience with these requirements and are confident in your Javascript/CSS skills, please apply for this project.

    $28 (Avg Bid)
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    31 bids

    check for determinant, compute its row echelon form

    $267 (Avg Bid)
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    30 bids

    When the button is clicked in the html5 game, the code I will give should work.

    $27 (Avg Bid)
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    37 bids

    Title: Game Client Website Development with gRPC Connectivity and User Engagement Overview: We are seeking a junior developer to assist in the creation of a dynamic and engaging game client website for our game server. The website will leverage gRPC connectivity for seamless multiplayer support, and user engagement and interaction will be vital aspects of the overall gaming experience. The primary objective is to establish a solid foundation and scaffold the ground structure, although the website does not need to be fully functional at this stage. Key Requirements: Expertise: The ideal candidate should possess a strong proficiency in framework to develop the game client website. Previous experience with is highly desired. gRPC Connectivity: Familiarity with integrating gRPC connec...

    $50 / hr (Avg Bid)
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    *************PLEASE ONLY BID ONCE HAVE READ AND UNDERSTOOD ATTACHED DOCUMENT************ This project is two parts. 1 is adding the option of multiple shipping on the shopify front end site and 2. is getting orders from Shopify API and creating a fulfilment dashboard. Document attached. 1. Multiple Shipping option details in document. 2. Fulfilment system that is built on PHP and MySQL to pull in information from Shopify API. We need to pull orders in from Shopify backend and then use to create the fulfilment process, this will include organising and grouping orders in order for warehouse staff to easily be able to pick and pack the orders. This system will be used daily so it needs to be secure and reliable. More details are in the document attached. The majority of the ...

    $1509 (Avg Bid)
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    44 bids

    I am in need of a WordPress developer who can fix an issue with the announcement pop-up not working on Safari browser. I have tried some solutions but they did not work. This issue is a high priority and needs immediate attention. Ideal Skills and Experience: - Strong proficiency in WordPress development - Experience in fixing browser compatibility issues - Knowledge of JavaScript and jQuery - Ability to troubleshoot and solve issues quickly - Attention to detail and ability to work quickly under pressure

    $19 (Avg Bid)
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    21 bids
    Trophy icon Create a chrome extension 2 days left

    I am looking for a skilled developer to create a LinkedIn chrome extension similar to SendSpark. Please see this link for detailed requirements Ideal skills and experience: - Experience creating chrome extensions - Knowledge of HTML, CSS, and JavaScript - Familiarity with Google Chrome's extension development tools - Ability to work within a budget and meet project deadlines

    $135 (Avg Bid)
    1 entries
    Google ad preview tool 6 days left

    I need to have a tool that allows clients of Google ads to be able to review what their responsive search ads will look like. With the ability to share with me once they have what they want. Ill want to be able to put this on my website so I can send it to my clients so they can help edit and add ideas to the ads we are running.

    $195 (Avg Bid)
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    37 bids

    hello, am looking to buy a ready made medical directory. IF you don't have one that is ready to go or one that can quickly be modified, DONOT BID. reference link Preferred language GO, NODE JS,

    $1974 (Avg Bid)
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    45 bids

    I am looking for a skilled React developer to implement several components for my UI. The specific components I need to implement some components. I have a detailed design specification that I will provide, so I require someone who can take these designs and bring them to life in a clean and efficient manner. The deadline for this project is less than 1 week, so I need someone who can work quickly and efficiently while still maintaining high quality work. Ideal skills and experience for this job include: - Strong React knowledge and experience - Experience implementing UI components - Ability to work quickly and efficiently under tight deadlines - Strong attention to detail - Ability to take detailed design specifications and turn them into high quality UI components.

    $111 (Avg Bid)
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    25 bids

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