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 Freelancer.com 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 Freelancer.com 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, Freelancer.com is the place to post your project. Hire our expert Javascript developers today!

Kutoka kwa kaguzi 692,288 , wateja wanakadiria yetu Javascript Developers 4.86 kati ya nyota 5.
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    Jimbo la Kazi
    799 kazi zimepatikana, bei imeletwa USD
    $7 Wastani wa Zabuni
    7 zabuni

    Full Stack Web Developer to Build Progressive Web application for Handyman. MERN Stack Mongo Express React Node MINIMUM LIGHTHOUSE METRICS FOR ACCEPTANCE: PERFORMANCE 90+ ACCESSIBILITY 90+ BEST PRACTICES 100 SEO 95+ PWA INSTALLABLE AND OPTIMIZED First Contentful Paint <0.7 s Time to Interactive <1.5 s Speed Index <0.9 s Total Blocking Time <80 ms Largest Contentful Paint <1.0 s Cumulative Layout Shift <0.052 No console errors. Fewer than three issues. General Guidelines: Please write clean code. Make sure future developers can navigate with ease. For example, explain code where it might be necessary. Do lots of Git pushes. Seasoned engineers push often! Story: I’m a handyman who needs a good web app for my business. I have an intelligent website design that wil...

    $600 (Avg Bid)
    $600 Wastani wa Zabuni
    2 zabuni

    READ BEFORE BIDDING! I am looking for an Elementor PRO Expert to re-create ONE existing page in Elementor PRO for WordPress. https://northa~ ***Remove the ~ from url above All elements on single page from elements, shapes, masking, sticky header, buttons, off- canvas , menus, desktop, tablet, mobile If everything goes smooth on this I have other projects

    $125 (Avg Bid)
    $125 Wastani wa Zabuni
    19 zabuni
    Website developing 6 siku left
    DHIBITISHWA

    I am looking for Professional developer to help me build a website. I need a person who can write codes. Please make sure to have your previous work for references.

    $50 (Avg Bid)
    $50 Wastani wa Zabuni
    19 zabuni
    Second-hand clothing marketplace 6 siku left
    DHIBITISHWA

    I am looking for a developer or team of developers to create a used clothing marketplace using ReactJS and TailwindCSS. The goal is to create an online platform that allows users to buy and sell second-hand clothing easily and securely. The project will require the creation of an attractive and user-friendly interface, as well as the integration of payment and shipping tools. Users should be able to search and filter products, as well as save items to a wishlist. I am looking for someone with experience in web application development and a deep knowledge of ReactJS and TailwindCSS. Additionally, the ideal candidate should be able to work autonomously and meet agreed-upon deadlines. If you are interested in this project and have the necessary experience, please send me your proposal and ...

    $598 (Avg Bid)
    $598 Wastani wa Zabuni
    21 zabuni
    Marketplace de ropa usada. 6 siku left
    DHIBITISHWA

    Estoy buscando a un desarrollador o un equipo de desarrolladores para crear un marketplace de ropa usada utilizando ReactJS y TailwindCSS. El objetivo es crear una plataforma en línea que permita a los usuarios vender y comprar ropa de segunda mano de manera fácil y segura. El proyecto requerirá la creación de una interfaz de usuario atractiva y fácil de usar, así como la integración de herramientas de pago y envío. Los usuarios deben poder buscar y filtrar productos, así como guardar artículos en una lista de deseos. Busco a alguien con experiencia en el desarrollo de aplicaciones web y un conocimiento profundo de ReactJS y TailwindCSS. Además, el candidato ideal debe ser capaz de trabajar de manera autó...

    $492 (Avg Bid)
    $492 Wastani wa Zabuni
    8 zabuni
    Entrepreneur / Programmer 6 siku left
    DHIBITISHWA

    Programmer / Entrepreneur Wanted Location- Your Home 2 Entrepreneurs / Small Start-Up looking for #3 person to be involved in a new company We are created a new company working in real-time production of events. This is primarily Web-Based new service we are developing. We need help with building interfaces, features, routines, implementing security features and integrated third-party software This is a flexible job where you can work from home. Perfect for someone with a steady gig looking to get on something new that you can be a big part of from the beginning Experience: o Programming languages JavaScript, Python, and Java o Experience with Web Development and App Development a plus o Good with lay-out and balance with created User Interfaces o Implementing software from third p...

    $1016 (Avg Bid)
    $1016 Wastani wa Zabuni
    15 zabuni

    It’s a modified Quicklancer 2.4 script. Completely PHP and mySQL. 1. Site needs to be consistently A or at worst B grade on I hired someone and all he did was download, compress and reupload the jpg files. That's not a permanent solution. 2. While doing that he managed to delete 2 fields in the Post Project page - Add Misc info and Video embed link. The autofill in the address field (we only need city, State, Country) was also disrupted from him. I have backups from earlier but after extracting them - the site is missing pics etc on index page. This needs fixing.

    $25 (Avg Bid)
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    7 zabuni
    fix an npm issue 6 siku left
    DHIBITISHWA

    I'm looking for a competent developer to fix an issue while trying to build a node.js project. The error seems to be 'Build failed because of webpack errors' and i'm not sure how to fix it.

    $126 (Avg Bid)
    $126 Wastani wa Zabuni
    25 zabuni

    YOUR BID PRICE IS FINAL## NO LATER CHANGE IS ALLOWED## I DON'T DEAL OUTSIDE FREELANCER## I need an experienced programmer who can take a work forward of building a browser based worksheet maker. The site is made in PHP. Works Include: 1. User can upload a PDF/JPG/Docx file in the browser which he can edit, make boxes, shapes, embed audio, video, links, images, write any text with different font colors and sizes, styles. 2. Make the current worksheet in browser A4 size where free text can be written and do the things as mentioned in Point 1 above. 3. Mark each worksheet whether to be notified as Private or Public and show Public Worksheets in site homepage and mark worksheets for any particular class/grade like Class I or II etc. 4. After submitting the worksheets, the replies by stu...

    $42 (Avg Bid)
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    1 zabuni
    PHP Bug fix in Script 6 siku left
    DHIBITISHWA

    I purchased a new magazine script in PHP from codycone it has two errors rest script is working fine The embedded video code doesn't have sound on Edit from the admin panel, the 404 page appears I need a PHP expert who can ask a reasonable price and fix it

    $17 (Avg Bid)
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    12 zabuni
    build small batch or application 6 siku left
    DHIBITISHWA

    i need application or any type of program give me fast email when new items for sale in website like ebay with some filters like price name of items i can write it

    $20 (Avg Bid)
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    4 zabuni
    $268 Wastani wa Zabuni
    6 zabuni
    React Next JS developer required 6 siku left
    DHIBITISHWA

    Hi there! I'm looking for an expert-level React and Next JS developer to join our team for a project. We are looking for someone who is comfortable with developing the front end. It is absolutely essential that the developer has experience with React and Next JS – familiarity with Git is also important. Ideally, the applicant should have in-depth experience of both of these technologies in order to deliver the required results. Consequently, if you have demonstrated success with developing cutting-edge web applications using React and Next JS in the past, you are exactly who we need. We look forward to hearing from you!

    $8 / hr (Avg Bid)
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    22 zabuni

    This project requires a pure frontend developer with experience in HTML, CSS, and JavaScript. The developer should be proficient in using Bootstrap or TailwindCSS to create the pages for a dashboard UI. The project will involve minor use of JavaScript or jQuery for certain parts of the UI. The budget for this project is $100, and it is important that the developer respects this budget. If the developer is unable to complete the project within this budget, it will be a waste of time for both parties. The project deadline is at least 14 days, and the developer will be required to push daily or bi-daily updates to a GitHub repository. This project has the potential to be a long-term partnership, and the developer will be assigned the project within 24 hours of bidding. If you have the neces...

    $72 (Avg Bid)
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    33 zabuni
    $7 Wastani wa Zabuni
    10 zabuni
    Midjourney prompt script 6 siku left
    DHIBITISHWA

    I have the outline for a series of prompts that I want to feed midjourney but need to a way to properly create and execute them.

    $102 (Avg Bid)
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    7 zabuni

    Hypixel skyblock is a minecraft server. The server includes an auction house on which items are listed and sold for coins. Sometimes items are listed below their actual value, making it a flip and if you purchase this flip, you are able to resell it for some profit. A pageflipper opens the auction house, and starts scrolling through the pages of items, each page, it gets the nbt values of the items and sends them to coflnet api, the coflnet api then returns the correct pricing for the items, based on historical data. If the sell price in the auction house, is a certain amount below the correct historical pricing, the software will purchase the item. This can be coded as either a java minecraft mod, or in javascript using chattriggers (a mod which allows other mods to be created using javas...

    $140 (Avg Bid)
    $140 Wastani wa Zabuni
    2 zabuni

    We are looking for a front end NODE JS developer who can revamp the current website (Services E-Commerce) as per the new UI (HTML CSS Code available for new UI) Current Website: New UI: After this is done, make the following modifications:- - Integrate Razorpay Route APIs to split payment between 3 users () - Other small changes (4-5 hours time) Important - Code is in our system and developer should work on anydesk (remote software) We need to complete this on urgent basis

    $193 (Avg Bid)
    $193 Wastani wa Zabuni
    6 zabuni

    MAUI Blazor ile geliştirilecek bir mobil uygulama için Html, CSS, Javascript tasarıma ihtiyacım var. Tasarım 3 sayfadan oluşuyor. Öncelikle sayfaları figma vs de tasarlayıp sunmanızı istiyorum. (Bu iş için ayrı para ödemesi yapılacak). Ardından tasarımı beğenirsem bu tasarımın Html,Css,Javascript olarak hayata geçirilmesi için ayrıca ödeme yapacağım. Tasarımda sayfalar arası geçiş animasyonlar ile yapılacak. Temiz, futuristic bir tasarıma ihtiyacım var. İş ile ilgili daha ayrıntılı detayları uygun kişiler ile paylaşacağım. Lütfen daha önce yaptığınız işleri içeren portfolyonuz ile başvuru yapınız. (Ücret temsilidir)

    $10 - $30
    $10 - $30
    0 zabuni
    Luckyyhammer 6 siku left

    Luckyyhammer is an online betting website

    $10 (Avg Bid)
    $10 Wastani wa Zabuni
    2 zabuni

    a wbesite where can i turn my text search into video using a real avatars

    $174 (Avg Bid)
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    34 zabuni

    Hi folks, Looking for a freelancer to create & deploy a WhatsApp chatbot similar to FoondaMate's education chatbot. I will provide WhatsApp and ChatGPT APIs. The chatbot should be able to provide course information, schedule appointments, and answer frequently asked questions related to the education domain. USE #2130 IN YOUR BID ref:

    $97 (Avg Bid)
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    3 zabuni

    I need a static website to need to fix HTML, CSS, JavaScript, and Bootstrap. Please bid.

    $422 (Avg Bid)
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    114 zabuni

    Five pages website with hands on experience on HTML , CSS JAVASCRIPT

    $104 (Avg Bid)
    $104 Wastani wa Zabuni
    31 zabuni

    I have my own development it is an MLM site I need to display a tree of 5000 or more users. I am currently doing this in a recursive manner and a js library called dTree it works fine, but I have not been able to display partial of the tree, I have to display it full. Users are saved in database with id, parentid, left and right for building the tree in dTree way, we can change this I need to know if theres a better way of displaying such UI structure.

    $168 (Avg Bid)
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    9 zabuni
    web design 6 siku left

    it's an ecommerce website to list electronics. A home page and product page, control panel and admin panel is required.

    $114 (Avg Bid)
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    18 zabuni

    I am looking for flexible plastic and wrapping that is waterproof and up to a maximum thickness of 2 mm. We will discuss the exact thickness needed once we have a better understanding of the project requirements. The material needs to be high quality and durable, and able to last for a long time, and also flexible and light so it can be packed anywhere. It must provide adequate protection against the elements and provide maximum flexibility. I'm hoping to find a provider who is willing to work with me on this project to ensure that the materials provided meet or exceed all my requirements. I need to either get in touch with a provider that can fix it or fabric that deliveres. Come in with offers either hourly or full paid, we discuss it over chat when we choose to for you. Also lo...

    $132 (Avg Bid)
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    4 zabuni
    built a telegram bot for me -- 2 6 siku left
    DHIBITISHWA

    I'm looking for an experienced freelancer to build a Telegram bot for me. It needs to be programmed using Python, and be able to send notifications to users. Additionally, the bot should be able to utilize natural language processing for a better user experience. If you think you're the perfect person for the job, I'd love to hear from you. Please include examples of previous work in your response. Thanks for your time!

    $27 (Avg Bid)
    $27 Wastani wa Zabuni
    5 zabuni
    Azure Data Security 6 siku left
    DHIBITISHWA

    I am looking for a solution to secure data within Microsoft Azure. I'm specifically interested in an encryption-based security solution in the cloud so that it can easily scale up with my business. This should include data masking and log monitoring. I need a solution that can protect our data while providing us with full visibility over our process flows. I also need a solution that ensures maximum security compliance with all necessary government regulations. There is a data warehouse in Azure. Data is collected sent to a site to display on a map (Mapbox) as well as tables and dashboard with the site. We need the senstive client-data protected from outsiders. Javascript. No PHP developers.

    $538 (Avg Bid)
    $538 Wastani wa Zabuni
    18 zabuni
    Mobile app development 6 siku left
    DHIBITISHWA

    Looking for someone to create my Android app to

    $40 (Avg Bid)
    $40 Wastani wa Zabuni
    9 zabuni

    We are seeking an IT professional for our growing company and IT team. Need to have these basic skills: Laravel (up to V9) Eloquent Blade MySQL - Apex Charts - Google Charts - CSS - Javascript - jQuery Front End design UI/UX - Full stack - API calls - AJAX

    $11 / hr (Avg Bid)
    $11 / hr Wastani wa Zabuni
    41 zabuni

    Hi I need someone to build a front-runner bot on ETH with Javascript, Ether, Web3... Thanks

    $249 (Avg Bid)
    $249 Wastani wa Zabuni
    13 zabuni
    Web Analytics 6 siku left

    Hello, I use this analytics script that helps to know who visited your website the script displays the visitor, the pages visited, the country... I want to add the option: display the company that visited my website by integrating my database

    $19 (Avg Bid)
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    5 zabuni

    * Stocks trading Dashboard Website & Mobile App * 1. Sign In & Sign Up * 2. Market * 3. News * 4. Watchlist * View real-time quotes for the US stock market * Display menu: Gap Up and Gap Down * Choosing the best Stock Market API provide

    $604 (Avg Bid)
    $604 Wastani wa Zabuni
    29 zabuni

    I'm looking for a skilled Python developer to create a script that can read and edit existing Excel/Word documents. This script must be able to open existing documents, read and interpret the contents, and then make changes based on predefined parameters. The script should be able to not only create new documents, but also make edits to existing documents. It should also be capable of saving changes of documents in a folder named by a designated content. Additionally, the script should be designed for future compatibility and scalability, allowing for customization as needed. The ideal candidate should have a deep understanding of Python and experience building scripts dealing with reading from and writing to Word documents. If you think you have the skills and knowledge to complet...

    $153 (Avg Bid)
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    37 zabuni

    Java Expert Needed For Solving the Test case Errors<long term. 200 Test cases. Looking For long term.

    $304 (Avg Bid)
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    12 zabuni
    Ecommerce-store 6 siku left

    Features: Header Section, Featured Products, Latest Products, Footer Section. Tech Stack Used: HTML, CSS, JavaScript. Description: E-commerce website for showing products based on categories.

    $11 / hr (Avg Bid)
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    29 zabuni

    We are looking for an experienced developer to create an iMessage phone number checker tool. Message me on freelancer to get this job.

    $276 (Avg Bid)
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    25 zabuni

    It is AI based smart healthcare system used for rural, emergency and pregnant women in critical situation it works remotely, webcam integrated , live tracking and live consult.

    $3 / hr (Avg Bid)
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    10 zabuni

    Hello! I'm looking for a web application developer to assist me with the development of a fully responsive web platform for both mobile and PC with multiple games and payment gateway API integration. This web application will have all the features needed for users to have a great time playing games, as well as features for easy payments. I need an experienced developer who can integrate a payment gateway API with the application. This will include developing an easy-to-use payment system to help users process payments quickly and securely. Additionally, a secure and reliable system will be needed to protect user information. Lastly, I need a developer that can create a platform that is compatible across different devices, including mobile phones and PCs. This will make it easier f...

    $35 / hr (Avg Bid)
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    23 zabuni
    CSV List Stacking Software 6 siku left
    DHIBITISHWA

    I need someone to create a web based software that will stack CSV lists similar to this software(). I need it to work inside of an iFrame. Ideally i need it to work inside of Go Highlevel. It will need to stack lists and combine them and create another column that says how many lists that the row is on and another column that has all of the lists that the row was on , separated by commas.

    $278 (Avg Bid)
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    33 zabuni
    Core Php and api developer 6 siku left
    DHIBITISHWA

    Hi Developer , I am looking for a senior developer who can develop the Php web application and also integrate the API’s such as FB,WhatsApp and sms also Google map, login to the application. Make sure the existing code is developed in the standard method.

    $6 / hr (Avg Bid)
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    42 zabuni

    We are looking for a senior level .NET full-stack engineer to join our rapidly expanding software development. You will work with the product team and other functions in a supportive environment offering full autonomy. At First Digital Trust, we have a team of 10+ very talented developers. We are looking for engineers who can wear many hats, abstract problems, and find creative solutions. We look for smart people who are curious, proactive and have good soft/communication skills. Must haves: • Strong ASP.NET Core development skills. • 5+ years' experience in software development is required, additional experience is preferred. • Strong technical and analytical ability. • Understanding the architecture of highly scalable applications. • Experience developing mu...

    $32 / hr (Avg Bid)
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    41 zabuni
    I need a react js developer 6 siku left
    DHIBITISHWA

    I'll explain everything on chat

    $524 (Avg Bid)
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    123 zabuni

    #Phenomenon Browser crashes when repeatedly displaying the Canvas detail view screen and its list. #Application A simple application for reproduction has already been developed. SPA created with OutSystems Platform() I expect that the browser crashes due to memory leaks; the larger the image file to be drawn in Canvas, the faster the browser crashes. Please investigate the cause of this browser crash.

    $624 (Avg Bid)
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    32 zabuni

    I'm looking for a freelancer to help me with a project I have to convert a Shopify script into Shopify functions. I don't have any specific language requirements and I'm flexible on the timeline. I'm looking for somebody to work with who is experienced in Shopify functions and preferably has experience with similar projects. I'm hoping to find someone who will be able to help me with my project quickly, efficiently, and without any major issues. If any additional questions come up during the project, I'll be ready to handle them.

    $149 (Avg Bid)
    $149 Wastani wa Zabuni
    24 zabuni
    Software Design. 6 siku left
    DHIBITISHWA

    Our company aims to provide a revenue tracking API with a quick view dashboard and mobile platform that enables businesses to track their revenue over time. The API will be integrated with 3C payment gateway, and users will be able to retrieve revenue data by date range or payment method. Our revenue tracking API will be easy to use, and will allow businesses to make informed decisions about their revenue streams. Week 1: Responsible personnel: API development team Tasks: Research the requirements for revenue tracking API and define the API endpoints Design the data schema for the revenue data Week 2: Responsible personnel: API development team Tasks: Research the 3C payment gateway APIs and SDKs Connect to the payment gateway and retrieve transaction data Week 3: Responsible personn...

    $2291 (Avg Bid)
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    58 zabuni

    I am looking for someone to create a hash code generator for an existing word game web app. A simple code to verify a player has not cheated The completed product should be easy to use and able to generate a safe and secure hash code. Hosted on Heroku and made using Node.JS. The project should be completed to a high standard, with reliable coding practices and industry-standard methodologies. I am looking for someone that has experience in coding similar functions, as well as frequent and reliable communication throughout the project to ensure I am updated and happy with the progress. Please Dont do the auto bids Thank You

    $157 (Avg Bid)
    $157 Wastani wa Zabuni
    19 zabuni
    Laravel Expert Available part-time 6 siku left
    DHIBITISHWA

    Hello guys, i'm looking for a developer laravel to help me in some projects to do, main skills are LARAVEL PHP JAVASCRIPT JQUERY BOOTSTRAP GIT SERVER LINUX NGNIX

    $465 (Avg Bid)
    $465 Wastani wa Zabuni
    142 zabuni

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