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 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!
จาก 704,957 รีวิว ลูกค้าให้คะแนน Javascript Developers 4.86 จาก 5 ดาวจ้าง Javascript Developers
Develop an automated system to send out documents on a recurring basis 1. Repeat documentation through a website 2. List recipients 3. search for recipients in the order of the list and automatically select recipients who meet certain conditions 4. change the document title by replacing certain phrases according to the recipients 5. repeat automatically 6. web-based operation
Help to finish script to test on composer php 7.2 admin full working i no have knowladge to finish public page i need little help to finish on localhost if work publish on my awebsite
I am looking for a skilled developer to create a Wordpress plugin that will incorporate an autocomplete drop down feature for airports and airlines. The purpose of this feature is to provide suggestions to users as they type in the search bar, enhancing the overall user experience. Key Requirements: - The autocomplete feature should provide instant suggestions, with a desired response time of instantly. - The plugin does not need to support multiple languages. Ideal Skills and Experience: - Strong proficiency in Wordpress plugin development - Experience with implementing autocomplete features and working with APIs - Knowledge of airport and airline data and how to integrate it into a plugin - Attention to detail and ability to create a seamless user experience If you have the necessary...
I am looking for a Shopify developer who can make functionality changes to my website by adding new features. The new feature I want is a membership subscription service that allow users to buy products in bulk at a cheaper price. Requirements: - Strong experience with Shopify development - Knowledge of liquid programming language - Familiarity with Shopify themes and plugins - Ability to understand and implement new features based on client requirements - Attention to detail and ability to troubleshoot and fix bugs Ideal Skills and Experience: - Proficiency in HTML, CSS, and JavaScript - Experience with Shopify app development - Familiarity with UX/UI design principles - Strong communication skills to understand client needs and provide regular updates - Ability to work indepe...
Project Title: WebGL JavaScript tutor Description: - I am seeking a tutor with expertise in WebGL JavaScript to assist me with my projects. - I am a beginner in this field and require guidance and support to improve my skills. - I specifically need help with project assistance, as I want to apply my knowledge to real-world applications. - The ideal tutor should have a strong understanding of basic concepts and be able to guide me through advanced techniques. - Experience in teaching or tutoring in WebGL JavaScript is highly preferred. I have already finished this task but I just have to add spotlight in the scene using WebGL javascript, it has to be pure webgl so no libraries. Review files for more information
I am looking for a Django developer who can assist me with API development for my project. The specific requirements for the API include integrating it with the REST Framework. I have specific tools and platforms in mind, and REST Framework is one of them. Skills and Experience: - Strong experience in Django and Python - Proficiency in API development - Familiarity with REST Framework and its integration with Django
I am working on a admin dashboard, Almost everything is done, I need assistance in cleaning the code, doing CRUD operation to the database, save to the database all the required information for a recipe, error handling and deploying to the git. I wants to complete in one day.
Similar to delugetrendbot, only expert needed and has to show similar work done before.
Please see the attached outline.
I am looking for a skilled developer to create a colour prediction website . The main purpose of this project is to allow users to place bets on colour predictions. Key features that need to be included in the website and web app are: - User Registration: Users should be able to create an account and login to access the betting functionality. - Live Betting: The website and web app should provide real-time betting options for users to place their bets. - Payment Gateway: A secure payment gateway should be integrated to facilitate the betting transactions. For this project, the preferred technology stack is Java and MySQL. However, I am open to suggestions if you believe there is a better technology stack that can meet the requirements efficiently
I am looking for a Java developer with experience in Spock and Groovy to create a test case for a specific method in a Java class. The purpose of the test case is to test the overall functionality of the Java class. The complexity level of the method is medium. Specific requirements for the test case need to be fulfilled, so attention to detail is important. The ideal candidate should have a strong understanding of Java, Spock, and Groovy, and be able to write efficient and effective test cases.
I am looking for a skilled developer who can convert my Python Jupyter Notebook recommendation system code into a Django Web App. Cost 2000 INR, no negotiations We have fully running python code. Convert Python Jupyter Notebook code to Django Web App
I am in need of a personal budget tracker that is compatible with both mobile and web-based platforms. While I do not have a strict design in mind, I have some ideas that I would like to incorporate into the design. The most important feature for me is expense tracking, as I would like to be able to easily monitor and track my expenses.
1- when parent window gets resized , child window must match with Hight, width of parent window. 2- chart should be in full preview.
I am looking to hire someone who will help me to find a solution for sending and receiving messages with Twilio, without having to search database every time. I already have a paid Twilio account and I already can send message. Please watch this screen recording, where I show what I mean, and let me know what you think
I am looking for an experienced freelancer to help with optimizing existing prompts for better performance in Chatgpt. The ideal candidate should have expert-level experience with both node js and react js. Specific tasks for this project include: - Analyzing and identifying areas for improvement in existing prompts - Implementing optimizations to enhance the performance of Chatgpt prompts - Debugging and fixing any issues or errors with prompts The project needs to be completed within a week, so prompt and efficient communication and work delivery are crucial. If you have the necessary skills and experience in Chatgpt prompt engineering, node js, and react js, please submit your proposal. Thank you.
I am looking for a freelancer who can help me fix a duplicate order submission issue in my web-based grocery app. The app is built on a web-based platform and was developed using PHP programming language. Skills and Experience: - Strong experience in web-based app development - Proficiency in PHP programming language - Knowledge of app debugging and bug fixing - Familiarity with grocery app functionality and order processing - Ability to work under tight deadlines and deliver results within 24 hours Project Requirements: - Identify the cause of the duplicate order submission issue - Implement necessary changes to prevent duplicate orders - Test the app thoroughly to ensure the issue is resolved - Provide documentation of the changes made for future reference If you have the skills and ...
Project Title: CloudOneX Customization and Bug Fixing Description: We are seeking a skilled developer to customize and fix bugs in our CloudOneX platform. The ideal candidate should have experience in web development and be familiar with the CloudOneX system. Unfortunately we tried to communicate with the original developers on more than 1 case but support is none-existent, so we're looking for long-term developer relationship. Additional Information: - If you have experience with CloudOneX or similar cloud-based platforms, it would be highly advantageous. - We are open to suggestions for additional features or functionalities that could enhance the platform, and we are willing to discuss these further. If you are a detail-oriented developer with experience in customization and bug...
Project: Hello, We are looking for an expert developer for our project. What we need is to develop a mobile and responsive web application based on your Figma design. Additionally, we expect our project to meet the following criteria: - It should be SEO-friendly. - The developer should be able to write code in a component-based manner. - It should achieve a high PageSpeed score of 90% or higher according to Google PageSpeed Insights or similar tools. - The code should adhere to clean coding principles and many components should be reusable. - SwiperJS module should be used in our sliders. - It should result in a "pixel-perfect" output based on the Figma link you provided. Job Description: - Develop a mobile and responsive web application based on your Figma design. - Imple...
Sehr geehrte Damen und Herren, Ich bin auf der Suche nach einem erfahrenen Entwickler, der mich bei der Implementierung einer Stromnetzbetreiber-Abfrage auf meiner Website unterstützen kann. Das Ziel ist es, Besuchern meiner Website die Möglichkeit zu geben, anhand ihrer Postleitzahl den zuständigen Stromnetzbetreiber zu identifizieren (ausschließlich Deutschland). Die Ziel ist folgende Abfrage: Besonderheit: Die Abfrage unterscheidet manche PLZ nach Ortsteilen Aufgaben und Anforderungen: - Integration des Marktstammdatenregister Webdienstes: * Implementierung der SOAP-Anfrage an den Webdienst des Marktstammdatenregisters. * Gewährleistung der sicheren Übertragung über HTTPS. * Berücksichtigung der SOAP 1.2 Spezifikation. - Benutzerfre...
I have an html file with three animations. Animation #1 autoplays and animations #2 should replace it right after animation #1 ends. Animation #2 is controlled with GSAP scroll trigger. After animation #2, then Animation #3 should scroll onto the screen and stop in the center and then again GSAP scroll trigger should play through the animation. Using GSAP the animations #2 and #3 should reverse when scrolling up. The current problem right now is with animation #3 I have attached combined html (this is the file that needs to be worked on) but also attached the intro html and the map html for you to see the way the animations properly behave. Budget 10$ Deadline 2 hours
Need to create a chatbot which is compatible to any wordpress Database and our own Database. Should be able to provide this as SAAS, 1. User should be able to type a word or sentence in chatbot. 2. The chatbot should list out all the news/content related to entered word or Database. 3. should be capable of NLP (Either develop your own or can use existing APIs both are fine) 4. user should be able to type in indic languages (Logic/Pseudocode/Javascript code will be given) To be successful I would be looking for the following in your proposal, 1. Similar successful project previously, if not a MVP demo for this project. 2. Steps how you implement this project (like APIs, libraries or any other optimal solutions etc) 3. Ask relevant questions if any. 4. Send a chat request if you have genui...
Per cliente terzo, cerco preventivo effettivo - non mettete prezzi più bassi solo per essere contattati, perché riporterò il vostro prezzo di offerta al cliente e quello dovrà essere - per la creazione di DUE app: - applicazione che funga da ricettario con community annessa e possibilità di traduzione in più lingue - applicazione che possa riunire tutto il mondo culinario (imprese che fanno corsi, influencer, et similia e permetta l'upload di ricette. Un incrocio fra giallozafferano e instagram ma verticalizzato). Grazie mille a chiunque darà prezzi effettivi
Project Title: One Page JavaScript website Functionality: - Contact form - Image gallery - Interactive map Main Purpose: - Showcasing a portfolio Design Preferences: - Professional and Corporate Ideal Skills and Experience: - Proficiency in JavaScript and HTML/CSS - Experience with creating one-page websites - Design skills to create a professional and corporate look and feel - Knowledge of integrating contact forms, image galleries, and interactive maps using JavaScript - Attention to detail and ability to create a visually appealing and user-friendly website
Using Openlayer 7.5.2 I need the javascript code + source files for openlayer which can do the following: - Draw the map (like 500x300px) - Draw a line (3px width) between the cities (coordinates attached in the project) - On each city, draw a circle (5px width) + text label - In the code, calculate the distance between each city. - Place markers (svg-file attached) along the line at a specific distance (eg. 100km) from the first coordinate/city as specified in the attached file. - The line, circle and icons should be possible to style with eg. colors/thickness. - The URL for map tiles should be possible to change. To make the project as clear as possible I've atteched the index.html-file which includes instructions on what the code should do. I also attached a screnshots of what it...
I am looking for a competent freelancer who has the necessary web development skills to create and optimize my website. The main objective of the website is to serve as a platform for my graphic design agency. Skills and Experience Required: - Proficiency in HTML/CSS is essential for the project - Familiarity with JavaScript/PHP would be beneficial - Experience with WordPress/Joomla is a plus The website needs to be completed within 3 weeks maximum, so the ideal freelancer should be able to work efficiently and meet deadlines. Our website is laconic.org.uk. Please utilise the provided Figma link: () And our doc: Key tasks include ensuring static pages on both web and mobile, logo adjustment, and optimizing global elements. Animated icon optimization, file size reduction, transiti...
Project Title: Web Designer Website Type: B2B Design Style: Clear Vision Mobile Responsiveness: Yes Skills and Experience Needed: - Proficient in web design and development - Experience with B2B website design - Strong understanding of user experience and user interface design - Expertise in creating mobile-responsive websites - Ability to bring a clear vision to life through design - Familiarity with e-commerce, portfolio, and blog website structures - Knowledge of best practices in web design and usability - Excellent communication and collaboration skills to understand and meet client's specific design requirements I have shared two designs which i have created on pen paper, Please go through it, and give me the quotation. it should be not more than 3days task.
In this project we have a rPi connected to a display interface connected to 6 sensors over I2C and serial we have found several issues - pressure sensor stops working - program crashes - rPi gets stuck in login screen This will need to be fixed on the code side of things, but the Freelancer needs to have an understanding of the hardware aspect of things as well. We would like to take our existing project and have someone clean up Python Django code as needed, in hopes of creating a clean and stable version of our software With that being said, I am looking for a skilled front-end developer to fix performance and optimization issues in a python Django application for a Raspberry Pi device. The current state of the application is functional but needs improvements. The fixes should be c...
You need to create an editor using within ReactJS with the following specifications: - There are three main components in the layout: Title, Button and Editor - The editor needs to be written in - Typing `#` as the first string in a line & pressing space should make anything you type afterwards on the same line be in a “Heading 1” format. On pressing space the aforementioned `#` should disappear. - See “This is a heading” line in the layout image above. - Similarly, typing `*` as the first string in a line and pressing space should correspond to “bold” format - `**` and space = red line - `***` and space = underline - [**Optional**][**Extra points]** If you can add a highlighted code block when the user types ````` and ...
We have a ad system to management our SKUs on MercadoLivre marketplace. Our last DEV had some problems and can not proced with this project, so we are in need of a new DEV to update and adjust the system. Frontend -> vercel Backend +DB = Railway Upstash = Redis as queue API - made with NestJS Front - made with React The DEV said he would leave the DB online for a while so we are in need of a new DB, said the DUMP is on file. He used PostGreSQL and Railway. HOW SYSTEM WORKS: Basically the system works when we insert the exactly Ad SKU, and have the below commands: - Pause (all ads) - Delete (only ads with zero sales) - Activate (all ads) - Change price We have differents SKUs that needs to match exactly when run the command. The more problematic SKU to match it is when has space...
I am looking for a skilled web developer to create a booking system website for manicure appointments from scratch. Website Type: - Booking system Design Preferences: - No, I am open to suggestions Additional Features Required: - Payment gateway - Chat system (optional) Ideal Skills and Experience: - Proficiency in web development languages such as HTML, CSS, and JavaScript - Experience in creating booking system websites - Familiarity with integrating payment gateways - Knowledge of chat system implementation (optional but preferred) I am open to suggestions and would appreciate a creative and user-friendly design for my website. The ideal candidate should have excellent attention to detail and be able to deliver a high-quality website within the specified timeline.
I am in need of an experienced Shopify developer to help me finish my ecommerce site. The specific tasks I need assistance with include design and layout, product upload and management, as well as custom coding and functionality. Design and Layout: - Implementing a specific design that I have in mind for the website Product Upload and Management: - Assisting with the setup and management of product listings, including uploading product images, descriptions, and pricing - Ensuring that the product pages are well-organized and easy to navigate for customers Custom Coding and Functionality: - Developing a custom product application to provide customers with variant options - Implementing any additional functionality or features that may be required for the site Ideal Skills and Experienc...
I use Scrapy to scrape the product tabs. Tab 1 is not a problem but the second and third tabs are loaded dynamically and that's why I have problems. I don't want to use BeautifulSoup or Selenium or anything similar, just Scrapy. Just need the solution. Code and Picture attached Dont want Selenium or bs4 Code Only Scrapy and Maybe with Splash or chompjs because I don't want any time sleep delays
Bugs And Upgrading list: 1. The map is not working perfectly ( Need to upgrade like Food Panda) 2. OTP issue 3. New Payment Gateway addon 4. Fews minor bugs
Desarrollador senior experto en Node.js para diferentes proyectos ya iniciados y que necesitan implementarse nuevas funcionalidades
Upgrade Angular APP from version 14 to 18.2 Skills and Experience: - Strong knowledge and experience in Angular development - Previous experience with upgrading Angular apps - Proficiency in HTML, CSS, and JavaScript - Familiarity with Angular CLI and TypeScript Project Requirements: - Upgrade the current Angular app from version 14 to version 18.2 - Add specific features and functionalities during the upgrade process - Ensure compatibility and seamless integration of the upgraded app - Optimize the app for performance and responsiveness - Test and debug any issues that may arise during the upgrade - Complete the project within 1-2 weeks Please provide examples of previous Angular app upgrades or similar projects in your proposal.
I am looking for a professional who can help me implement websockets on my website and app. The primary purpose of this implementation is to provide real-time/live events without the need for users to refresh the website or app. Technology Stack: PHP and MySQL Front end :- Flutter Existing Functionality: I have existing functionality that needs to be updated, as well as a new feature that needs to be added. Ideal Skills and Experience: - Strong knowledge and experience in PHP and MySQL - Expertise in implementing websockets - Familiarity with real-time/live events - Ability to update existing functionality and add new features - Understanding of the importance of user experience and seamless browsing Primary Purpose: - Live scanner option - Real-time notifications - Live score...
Program that works with a link in the browser to enter orders and complete each step of the process. With username and password. That each order is saved in a database and this way you have the production record I am seeking a skilled PHP developer to create a production control program with the following features: - Inventory management: The program should allow me to track and manage inventory levels effectively. Integration with a new system is required for seamless operation. The deadline for this project is within a month. Ideal skills and experience for this job include: - Proficiency in PHP programming - Strong understanding of inventory management systems - Experience with integrating systems - Ability to meet deadlines and deliver high-quality work
Examsoft Decryptor Project Skills and Experience: - Expertise in decryption software - Proficiency in AES-256 encryption - Experience with Examsoft software - Knowledge of file formats, particularly PDF conversion Project Description: We are seeking a skilled freelancer with experience in decrypting Examsoft software files. The ideal candidate should possess expertise in AES-256 encryption and have prior experience working with Examsoft software. The main objective of this project is to decrypt an Examsoft file, specifically in PDF format. The decrypted file should retain its original formatting and content. Successful freelancers should include their experience in their application, showcasing past work and detailed project proposals. They should demonstrate their proficiency in dec...
I will need the development of an arbitrage bot (smart contract) that will be able to use flash loans to make arbitrage trades between uniswap ,sushiswap, balancer and any other reliable DEX. The bot should be able to spot arbitrage opportunities and quickly execute flash loans from either Aave or Dydx to make trades with them. The flash loan amount (collateral) should be determined by the bot. The bot should be able to execute flash loan arbitrages with the right amount of gas fee in order not to be front run by another bot The bot should be able to repay the flash loan plus the gas fees and then send the profits into the wallet address of the owner . All this should be done automatically and simultaneously.
Need Someone very talented browser extension
Dashboard sayfası düzenlemekteyim. Bu sayfada yıl ve ay butonları bulunmaktadır. İlgili butonlara basıldığında bir kategori tablosunu gösteren bir tablo mevcuttur. dosyasına 'Location' adında yeni bir model ekleyerek, bu 'Location' bilgisini Transaction Index sayfasında görüntülemek istiyorum. Ardından, Dashboard Index sayfasında yıl ve ay butonlarını dinamik olarak oluşturarak, seçilen yıl, ay veya lokasyon butonlarına göre tablonun kategorilere göre toplam işlemi göstermesini sağlamak istiyorum. Bu butonlar arasında çoklu seçim yapılabilir olmalıdır. Ayrıca, işlemlerin hangi para birimiyle gerçekleştiğini belirtmek için dolar, euro, sterlin ve TL olarak dört farklı para birimi seç...
I am looking for a freelancer to integrate the Razorpay payment gateway and Shiprocket into my Python Django E-commerce website. Requirements: - Experience with Python and Django framework - Familiarity with integrating payment gateways, specifically Razorpay - Ability to work with existing APIs for the payment gateway(s) - Knowledge of Shiprocket integration is a plus - Strong problem-solving skills and attention to detail Project Details: - The goal is to seamlessly integrate Razorpay into the website's checkout process - The integration should allow for smooth and secure online payments - The freelancer will need to work with the existing API(s) for the payment gateway(s) - The timeframe for the integration is as soon as possible Website link: If you have the necessary skills...
I am looking for a freelancer to develop a quiz module for my Wordpress site. The requirements for the project are as follows: Quiz Type: - The quiz should be multiple choice, where users can select one option from a list of choices. Timing: - The quiz should not be timed, allowing users to take their time to answer the questions. Multimedia: - There is no need to include multimedia elements such as images, videos, or audio in the quiz. Output - based on the quiz answers we want to be able to create a report(wordings will be provided) and a lead capture (email) to send the report to. Ideal Skills and Experience: - Proficiency in Wordpress development. - Experience in creating quiz modules or similar interactive elements. - Familiarity with multiple choice quiz formats and logic. - Att...
Fix & Complete Language App Built in React Native - App teaches Arabic language (letters, numbers, words) - Minor bug fixes required for an existing language app - App is basic and needs completion - Source code for the app is already available, not being built from scratch - Deadline for completing the app is within 1 week - Expo and Firebase used Ideal Skills and Experience: - Strong experience in React Native development - Proficiency in debugging and fixing app crashes - Expertise in resolving issues with app features and functionality - Ability to improve UI/UX design of the app - Familiarity with working on existing projects and completing them within tight deadlines
Musical App Specifications Platform: • Mobile Platforms: iOS and Android • Compatible with the latest versions of iOS and Android operating systems. Minimum System Requirements: • iOS: • iPhone 6s or later • iOS 12 or later • Android: • Android 6.0 (Marshmallow) or later • Devices with at least 2 GB RAM Recommended System Requirements: • iOS: • iPhone 8 or later • iOS 14 or later • Android: • Devices with at least 3 GB RAM • Full HD (1080 x 1920) resolution or higher App Features: 1. Music Player: • High-quality audio playback support (AAC, MP3, etc.). • Offline mode for downloaded music. 2. Exclusive Content: • Seamless access to exclusive tracks, behind-the-scenes videos on YouTube, and special editions...
I am looking for a Json expert who can help me integrate leads data from ClickFunnels to Scaleo via API. I do not have any pre-existing API or access details, so the ideal candidate should be able to set up the integration from scratch. The project needs to be completed within a week. Skills and experience required: - Expertise in Json and API integration - Experience with integrating ClickFunnels and Scaleo - Ability to set up API connections and handle data transfer - Strong problem-solving skills to troubleshoot any issues that may arise during the integration process.
I am looking for a Python developer with experience in Facebook API integration to create a personal use application. The main purpose of the application is to integrate with Facebook API and provide features such as user login and registration, as well as the ability to post and share content. While I have a general idea for the user interface, I would appreciate help with adding a profile picture. -add profile picture. -filling in profile biography information. -add profile cover picture. -creating a page. -Uploading profile picture and cover image to the page. It has to do all these things I want by sending a request, it has to be fast.
I am looking to hire a skilled developer to help me create an AI platform that can process pictures and videos on a construction site. The main goal of this platform is to identify hazards and dangerous situations in real-time. In addition to this, I want the AI engine to continuously learn and improve over time. Integration with cameras is a crucial component of this project. However, I only require basic level integration with the cameras. This means that the AI platform should be able to receive input from the cameras and analyze the data to identify hazards and dangerous situations. I have a flexible timeline for this project and I am willing to invest more than 6 months to ensure the successful development and integration of the AI platform. Ideal skills and experience for this job...
preciso de um programa de java que atenda os requisitos do anexo