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!

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    We are seeking a skilled freelancer to replicate the vendor signup page of and integrate it with our existing backend Java Spring API. The goal of this project is to recreate the functionality and design of the mentioned webpage while ensuring seamless integration with our backend system. Project Requirements: Page Replication: Create a replica of the WeddingBazaar vendor pages, including all the fields, form layout, and design elements. Ensure that the replicated page maintains the same visual appeal, responsiveness, and user experience as the original webpage. Implement proper form validation to ensure the accuracy and completeness of user-submitted data. Java Spring API Integration: Utilize the provided Java Spring API to integrate the replicated vendor signup page with our existi...

    €167 (Avg Bid)
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    13 bud
    Room Scheduling Script 6 dage left
    VERIFICERET

    Need a room scheduling script (web-based) that allows multiple registered users to book times in any of the rooms and the room layout will show with booked rooms or open (red/green)

    €436 (Avg Bid)
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    I am looking for a developer to create a free live TV & OTT website for personal use. The website should have both live and on-demand streaming capabilities. I prefer a custom-built platform for the website. The ideal candidate should have experience in website development and be able to deliver a high-quality product. Additionally, the following skills are required: - Proficient in HTML, CSS, and JavaScript - Adsence Approval - Familiarity with video streaming protocols and technologies - Knowledge of server-side programming languages such as PHP or Python - Experience with database management systems - Ability to create a responsive and user-friendly design The project timeline is flexible, and I am open to discussing the details further with the right candidate.

    €89 (Avg Bid)
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    Webflow Changes 6 dage left
    VERIFICERET

    I need a developer who is very good at Webflow. You must be a programmer because I have a Figma and you need to make changes to my template. You will have to work with AnyDesk because I'm not going to share my account. I need you to be available now to work and complete the project in 3 hours. In the beginning, please write your name and age for me to validate your post

    €24 (Avg Bid)
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    We write fiction books to teach Italian as a second language. Formatting our books is taking too much time and we'd rather spend that time writing more books. I am in need of a customised formatting script or solution that can automate formatting on Apple Pages/Numbers. The primary function of the script should be to automate formatting. I only need it to automate 1-3 different types of formatting. Ideal Skills and Experience: - Strong experience in Apple Pages/Numbers scripting - Familiarity with automating formatting - Proficiency in AppleScript, JavaScript, or Google Apps Script - Attention to detail and ability to follow project specifications closely I've attached two files: 1. Text to Format - this is the initial text. Chapter by chapter it's a book with some wo...

    €45 (Avg Bid)
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    6 bud

    *About the Project:* We are developing a dating app using React Native, with a back-end composed of Node.js microservices. This is a great opportunity to join a vibrant and dynamic project, where your technical expertise can make a real difference. *Working Model:* - User stories are handled via Trello, with a weekly sprint cycle. - Payments are made at the end of each sprint, based on the user stories (tickets) completed. - Developers are expected to commit regularly and maintain good communication with the team. *Payment Model:* The payment model is based on a fixed price for each user story completed, with prices according to the complexity of the story. The complexity is assessed by *story points* as follows: - Task with only showing data and styling in front: 3 sp / screen - Task w...

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    I am looking for a freelancer to help me fix my Facebook/Shopify pixel. I have previously had it installed however it has stopped working. i have watched hours of youtube videos and still can't do it, so I need help with that first and foremost. I am not sure if I need additional Facebook pixel events to be set up, so I would like to explore that option.

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    Desenvolver tarefas por demanda em GameMode, fazer sistemas, criar coisas únicas. - Ter conhecimento necessário para desenvolver códigos precisos - 4 horas e 35 min por dia. - Disponibilidade para entrar em reuniões e apresentar feedbacks. Estamos buscando por assinar um contrato com Scripter, contamos com colaborador que agregue ao time. Boa sorte a todos. Atenciosamente, CEO Mercury Plus.

    €5 / hr (Avg Bid)
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    Desenvolver tarefas por demanda em GameMode, fazer sistemas, criar coisas únicas. - Ter conhecimento necessário para desenvolver códigos precisos - 4 horas e 35 min por dia. - Disponibilidade para entrar em reuniões e apresentar feedbacks. Estamos buscando por assinar um contrato com Scripter, contamos com colaborador que agregue ao time. Boa sorte a todos. Atenciosamente, CEO Mercury Plus.

    €7 / hr (Avg Bid)
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    Hello again guys I need barebones functionality to make custom order directly from Opencart 4.0.2.1 backend. Requirements: * Possibility to pre-fill all required but non-mandatory for every order fields (for example, if regular person orders, by default his name should be "Fizinis asmuo", same goes for address, phone number, etc.) * Possibility to add non-existing products (I want to enter text for like Programming services, quantity and total price incl. taxes) - I do not want to create new product every time I need to make custom order * Possibility to pick shipping and payment methods, if none picked - default "Bank transfer" and "Free delivery" should get inserted. * Need basic TWIG template too, not too complicated, with possibilty to add/delete multipl...

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    I am looking for a programmer who will customize my DJ Classifieds search module. It should be changed so that all fields in the search module must be filled out in order to be able to carry out a search. If this does not happen, a search should not be possible. And when searching, only those ads that match the search criteria should appear. The job should be carried out immediately, within 24 hours at the most. I will send you the search module for this purpose. After the change, they send it back to me directly.

    €35 (Avg Bid)
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    Engineer Information Extraction 6 dage left
    VERIFICERET

    I am looking for an engineer who can extract text information from a website and provide it in an Excel format. The ideal candidate should have experience in web scraping and data extraction. Requirements: - Expertise in web scraping and data extraction - Proficiency in Excel - Familiarity with HTML, CSS, and JavaScript - Ability to work efficiently and deliver within the given timeframe Deliverables: - Extracted text information provided in Excel format - Clean and organized data with minimal errors - Documentation of the web scraping process This project requires attention to detail and accuracy, as the extracted data will be used for analysis and decision-making purposes. Please provide examples of previous similar projects in your proposal.

    €7 / hr (Avg Bid)
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    Human Detection in Live IP Camera 6 dage left
    VERIFICERET

    We have live feed from IP Cameras running on our servers - 1000s of IP Cameras running on single server with 64 IP Cameras (at max) - on single screen (via iframe) and each IP Camera feed running on unique URL. We want to detect human in the live feed. Live feed runs for 24hrs but our hours of importance is only an 8hr shift where we want the app/program to alert us whenever a human is detected in the region of interest. The region of interest will change for each camera and must be customizable via some gui (basic). Whenever a human is detected in region of interest, the program should highlight which camera the human is detected in. Kindly answer, whether you will run an AI program on each unique url (each having 1 camera feed) or on 1 collective page (each having 40/64 iframes of liv...

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    I own a search engine: And a chrome extension of it: These are the details on how to develop a search engine chrome extension: Now, I want to display search suggestion in the Google Chrome top search bar. As per the documentation I need a link like "{searchTerms}" to include it as "suggest_url" inside the file. Now, I want to develop that link. Pls provide a clear explanation on how to build it and the timeline.

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    Eu sou professor de sketchup e baixei alguns plugins em chinês que estâo usando o ruby encoder. Gostaria de um programador que me ajudasse a achar uma forma de solucionar esse código. Preciso apenas traduzir os termos que estão em chinês.

    €137 (Avg Bid)
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    9 bud

    We are looking for experienced react.js developer who can work right away for the project! project will be discussed into the chat box!

    €9 - €28
    Forseglet NDA
    €9 - €28
    4 bud
    Servicenow Secops Support 6 dage left
    VERIFICERET

    I need a Servicenow Secops expert to provide weekly support with a focus on incident management, vulnerability management, and risk management. The ideal candidate should have experience in Servicenow Secops and be able to work independently. Communication will be done primarily through email.

    €6 / hr (Avg Bid)
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    Programmer 6 dage left
    VERIFICERET

    I am in need of an experienced programmer who has proficiency in the programming languages HTML, CSS, React, Nodejs, and MySQL. The main goal of this project is to develop a new software. I am flexible with timeline so the programmer can work at his/her own pace to ensure quality results. The programmer should have a good understanding of coding standards, software development processes, coding language capabilities, and data storage techniques, as well as have the ability to research and recommend new tools and technologies where applicable in order to produce a high-quality product. The programmer should also have experience working with clients and have strong communication and problem-solving skills. Experience in developing complex systems, applications and websites is a must. Know...

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    We are seeking a developer that we can ideally establish a long term relationship with. Obviously, quality + reliability of the work is very important for us. CMS, WordPress developer might be suitable. We will share the details with the right candidate. Start your bid with "Long term". If not, your bid will be automatically removed.

    €20 / hr (Avg Bid)
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    I am looking for a freelancer to help me style a simple 3 step registration page in NextJS. The registration page will be for user registration, and will require basic contact information and payment details. The design will be provided by me, so I am looking for someone who can style these 3 steps to make them look great on all mobile devices and screen resolutions. You would have to create/use CSS modules Ideal skills and experience for the job include: - Strong proficiency in NextJS, React, and CSS - Experience with designing and styling registration pages If you have any questions or need more information, please don't hesitate to ask.

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    I am looking for a freelancer who can help me with some minor adjustments to my Mozilla Hub project. I have a list of specific features and elements that I would like to be added or modified. The level of customization required is minor, so I am looking for someone who can make these adjustments efficiently and effectively. 1. add character when there is only client in the room. 2. remove character when another client enter in the room. Character will be AI character and I'll use open AI for this in next step. But on this current step, I just want to add character. If you have experience in Mozilla Hub project and can complete this, I can give you next step too. Good luck!

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    We are looking for a free lancer website developer responsible for the layout and coding of an e-learning website. The website should include: - Teacher details - Student details - Registration - Payment gateway - Wallet - Messaging - Review - Email system - Multi - Language (translation will be provided) The desired candidate should have the following skills: Platform: Python - Django Database : Postgres Html + Javascript + Css (Bootstrap) Rest API (optional)

    €433 (Avg Bid)
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    48 bud

    I'm looking for a web developer to create an e-commerce website, based on the design I have ready. The programming language I would prefer be used is JavaScript. The scope of the project includes ensuring the website has a usable, attractive layout, and a functional backend. The ideal programmer will have extensive knowledge and experience of JavaScript web development and a good understanding of e-commerce websites. The project should provide a searchable customer-friendly interface, a secure payment gateway, and a successful search engine optimization. If you have the skills and experience to develop this website according to my requirements, I would love to hear from you.

    €2183 (Avg Bid)
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    I am looking for a skilled Python developer who can create a script that works with the Nude The Foundry API and can render images on movies dynamically. Access to the Nude The Foundry API has already been obtained. The desired output format for the rendered images is mp4. There are no specific requirements for resolution and frame rate. The ideal candidate should have experience with Python, APIs, and rendering images. The project should be completed within a reasonable timeframe.

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    Hey there I want to create a application and display the 10 links inside the app and push notification features, splash screen. Generate abb and apk file to publish on Google Play Store.

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    Social Network Website 6 dage left
    VERIFICERET

    I am looking for a skilled developer to create a social network website that connects people of all age groups. I am open to suggestions for features, but the main purpose of the website is to bring people together. Ideal Skills and Experience: - Strong experience in developing social network websites - Proficiency in programming languages such as PHP, JavaScript, and HTML - Knowledge of database management systems - Ability to create a user-friendly interface - Good communication skills to understand and implement client requirements.

    €1093 (Avg Bid)
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    Chatbot Fitkidz 6 dage left

    I am looking for a freelancer to build a chatbot for my fitness website, Fitkidz. The chatbot should be built on the website integration platform and should have more than 7 different conversation flows. In terms of specific features, I would like the chatbot to have the ability to learn from documents through an API, use text to speech, and share to Zappier. Additionally, the chatbot should be able to answer FAQs and provide personalized fitness recommendations. Ideal skills and experience for this job include: - Experience building chatbots on website integration platforms - Knowledge of APIs and the ability to integrate them into the chatbot - Strong understanding of natural language processing and text-to-speech technology - Experience with Zappier integration and automation - Famili...

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    I am looking for a skilled Angular developer to create the frontend for my FinTech project. The main purpose of the frontend is to display financial data, and I have some reference designs in mind that I would like to incorporate. The ideal candidate should have experience in creating interactive graphs and charts for financial data. Additionally, the frontend should include sorting and filtering options, as well as real-time data updates. If you have experience in creating similar projects, please apply.

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    I am looking for an experienced React JS developer to work on a continuous basis for my existing business. The ideal candidate should have intermediate level expertise in React JS. The project specifically requires real-time data updates and the following skills and experience would be ideal for the job: - Strong proficiency in React JS - Experience in building real-time applications - Knowledge of integrating APIs for data updates - Familiarity with web sockets and other real-time technologies If you have the required skills and experience, please apply for the job.

    €3 / hr (Avg Bid)
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    21 bud
    Python BOT Developer 6 dage left
    VERIFICERET

    Looking to hire a freelancer to develop a YT bot that can get unique views on demand, 100k views per day, source methods: search, suggested, external and can work simultaneously on up to 100 videos simultaneously. Let me know how it will operate and what will be required to operate it.

    €1029 (Avg Bid)
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    23 bud

    Я хочу статичный сайт. Который будет использоваться для управления S3 Buckets. Идеальный сценарий работы сайта. Захожу на сайт(без авторизации), скачиваю нужные мне файлы которые я оставил там раньше. А если мне нужно загрузить новые файлы/папки, нажимаю кнопку "Режим Администратора". И у меня появляется возможность управления всеми файлами. --- Я не хочу после использовать Выделенные сервера и прочее. Все вычисления должны происходить в браузере клиента в момент использования сайта. --- Прошу предложить варианты как бы вы это сделали, а так-же альтернативные вариант решения.

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    Wordpress Elementor Expert 6 dage left
    VERIFICERET

    I am looking for a Wordpress Elementor Expert to create an smm services website based on my sample site. 5 pages, The main goal of the website is to provide social media promotional services. I require order & contact forms to be integrated into the website. The ideal freelancer should have experience in Wordpress, Elementor and creating custom order & contact forms.

    €117 (Avg Bid)
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    58 bud

    Ciao! Ho bisogno di integrare Google reCAPTCHA in un modulo di contatto PHP.

    €54 (Avg Bid)
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    6 bud

    plot volume profile on price scale

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    I am looking for a React Native developer to create an Android app that can detect and respond to incoming and outgoing calls. The app must be able to show a popup on top of the Android’s incoming call screen with the data I want. I have a design ready for the app, so the developer will need to follow it closely. The ideal candidate will have experience with React Native and Android development. No additional features are required, just the call state listener and pop up, and all functionality should work when the app in the background and foreground. like Truecaller functionality.

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    Web frontend Developer [With Advance JS]

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    I am looking for a web designer to help create an informational website with custom design elements and a specific color scheme. I have created branding guidelines that I would like to be incorporated into the design of the website. The website must be functional and professionally designed. It should be optimized for multiple browsers, platforms, and devices, with a range of features including interactivity. I am looking for someone who can demonstrate creativity and attention to detail in the design of the website. Most importantly you will be developing multiple webpages from given UI designs. Please include a few examples of your previous work in your proposal. I look forward to reviewing your proposal and working with you on this project.

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    Calculator 6 dage left

    I am looking for a skilled developer to create a mobile application for a basic arithmetic calculator with a history of calculations feature. The ideal candidate should have experience in mobile application development and be familiar with creating calculator applications. The chosen platform for development should be mobile application.

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    I am in need of a multi-vendor ecommerce website that can handle a medium level of traffic, between 1000-10,000 visitors per month. I am looking for an experienced developer who can build the site using the MERN stack. The project does not have a strict deadline, so I am happy to work with someone who can deliver quality work over a longer timeframe. The ideal candidate will have experience with building multi-vendor ecommerce platforms and will be able to provide examples of their previous work.

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    1 -2 years experienced MEAN Stack developer needed for 8 hours Mon-Friday. Project will be Angular heavy and is long term. Work will be fast paced initially for at least a month then will get slowed down.

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    We are looking for a full stack developer to create a web application. The type of web application is yet to be determined between e-commerce, social network and CMS. We are open to suggestions for the technology stack, but we require a developer who is knowledgeable in both front-end and back-end development. The project timeline is flexible and can range from less than 1 month to more than 3 months. The ideal candidate should have experience in the following: - Proficient in HTML, CSS, and JavaScript - Experience with popular front-end frameworks such as React, Angular, or Vue - Knowledge in server-side programming languages such as PHP, Python, or Ruby on Rails - Proficient in working with databases such as MySQL or MongoDB - Familiarity with web hosting and deployment on platforms suc...

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    I am seeking a web developer to create a poll survey like site for me. The purpose of the site is info gathering, so it must have customizable survey templates. I would also like for each survey to include less than 10 questions. - Front web site - Admin panel This project must be completed as soon as possible. In addition, I need an experienced freelancer who has a proven track record of delivering results on time, within budget, and to specification. If you believe that you have the necessary skills for this project, please apply and let me know how you can help me launch this survey site quickly and successfully.

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    OTP India -- 2 6 dage left

    Hallo ! I need a OTP Website. I provide all the API you need do make design a website and put on the website

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    I am looking for a skilled Reactjs and Django developer to help me add 2 pages to my existing github project. The purpose of the new pages is to display additional information. I am open to the freelancer's design expertise, but I am looking for interactive elements such as sliders and buttons to be included on the pages. The ideal candidate should have experience with Reactjs and Django, as well as a strong understanding of web design and user experience. This is the Project The additional Pages are: 1. Add page to scan, Select the stage and then scan the QR code, the QR should have the following details which would be sent to the server 2. Add a page to upload product file which will add to the Kanban automatically, show this as a table

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    I am looking for a front-end redesign of my app on Ionic platform. The design should be modern and I am open to suggestions for the color scheme. The ideal candidate should have experience in front-end development and be able to create a clean, user-friendly interface. Skills in HTML, CSS, and JavaScript are a must. Familiarity with Ionic and mobile app design is a plus. The project requires attention to detail and the ability to work efficiently to meet deadlines.

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    I am looking for a Senior Full Time developer with expertise in .NET/C#/JavaScript/ChatGPT to help me improve my existing software application. The ideal candidate should have experience in adding new features to an existing system. The project will require more than 6 months to complete. Some of the specific features and improvements required include: 1- You must write more than 90% of your code with ChatGPT otherwise do not apply. 2- Acquire deep understanding of business requirements from minimal descriptions and anticipate required features 3- You must be fluent with C#/.NET Core/MVC/Javascript/PSQL stack 4- You must be available at least 50 hours per week 5- You must work directly yourself be available for meetings at any time during working hours 6- You must have fluent Engli...

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    I have a simple api integration task. It's very simple. is TTS module. I am looking for a freelancer to integrate the fakeyou API with my react.js frontend project. The main purpose of this integration is to display data on the frontend. Therefore, the ideal freelancer for this job should have experience in API integration and react.js development. I will provide all data and api guides. In your application, please include your experience in similar projects and any relevant past work. A detailed project proposal is not necessary, but a clear understanding of the task at hand is expected.

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    I have some code that does this in our web app: 1. Here is one of our existing animation templates: Advanced double digit subtraction (36 - 17) using "2" and "16" and "19" 2. Use Chat GPT to type in something like this: "Use ___ animation tool to create an animation that shows me how to do double digit subtraction. Use the numbers 21 and 17 for this." 3. And then I get some text I can copy/paste into our animation tool. Or better yet - it just opens the tool and shows me the animation. I want chatGPT to do this task, the code logic is already there but I need to integrate chatGPT in our web app for this task (and maybe more in the future) After I press 'send' on that, I wish Grape Assignments would open in a tab and I would see the anima...

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    I'm looking for a talented developer experienced in dynamic JavaScript to assist in a problem. i have an html table and i need to get the data from node.js api using axios and conditionally insert it into the table by info that i specify

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    We are in need of a PHP developer with expertise in fixing API issues, specifically related to integration. The API issues are of high priority and need immediate attention. The ideal candidate should have experience in the following areas: - Proficiency in PHP - Strong knowledge of API integration - Familiarity with debugging tools and techniques - Ability to troubleshoot issues with third-party APIs The developer will be responsible for identifying and resolving the issues with specific APIs. They should also have excellent communication skills to keep us updated on the progress of the project. We are looking for a self-motivated individual who can work independently and deliver quality work within the given timeline.

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