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!

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    Help on React task, for API Call. 6 μέρες left

    Title: React API Integration Expert Needed I am seeking an experienced React developer with advanced knowledge to assist me with an API integration task. The specific requirements for this project are as follows: API Integration: - The freelancer will be responsible for integrating a specific API into our React application. - The API has already been identified, and the freelancer will need to have experience working with it. Skills and Experience: - Advanced knowledge of React is required, as the task involves complex API integration. - The freelancer should have a strong understanding of component development in React. - Debugging skills are essential to ensure smooth integration and functionality. If you are an advanced React developer with experience in API integration, I would lov...

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    Shopify MetaObject Hacking via Liquid 6 μέρες left

    I am looking for a Shopify expert who can help me with hacking the MetaObject in my product template, via Liquid. Timeline: - The project needs to be completed within 1 day Ideal Skills and Experience: - Strong knowledge of Shopify and Liquid language - Experience in customization via metaobjects and metafields based on RECENT Shopify updates - Familiarity with structured data markup and its implementation in Shopify - Shopify CLI - Browser console troubleshooting If you have the expertise and can work within the specified timeline, please reach out to discuss the project further.

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    I am looking for a client script that can fetch the total unpaid amount for customers in the Sales Order doctype and automatically close the sales orders if the unpaid amount is greater than 42 days. Specific functionality needed: - Fetching the total unpaid amount for customers in the Sales Order doctype - Automatically closing sales orders if any unpaid amount older than 42 days Preferred scripting language: No preference Specific requirements or conditions: - The client script should be able to identify the unpaid amount for customers in the Sales Order doctype based on a 42-day threshold - The script should have the capability to automatically close the sales orders that exceed the unpaid amount threshold Ideal skills and experience for the job: - Proficiency in client scripting l...

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    Pine script conversion to python 6 μέρες left

    Project Description: I am in need of a skilled developer who can convert a Pine script to Python. The complexity of the Pine script is intermediate. The conversion needs to be completed within a week. Commenting the Python code for better understanding is only necessary if needed. This is the script I need to be converted. Plus I need the buy sell alerts on webhook whenever it triggers. Skills and Experience: - Strong experience in Pine script and Python programming - Proficiency in converting scripts from Pine to Python - Ability to work within a tight deadline and deliver high-quality results - Attention to detail and ability to understand complex scripts - Excellent communication skills to clarify any necessary comments in the Python code

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    Website Builder Tool 6 μέρες left

    I am looking for a skilled developer who can create a custom-coded website builder tool for my e-commerce website. I have specific features and functionalities in mind that I would like to include. The ideal candidate for this project should have experience in custom coding and be able to work with me to bring my vision to life. The website builder tool should be user-friendly and intuitive, allowing users to easily create and customize their own e-commerce websites. Additionally, it should have features such as product catalog management, shopping cart functionality, and payment gateway integration. Knowledge of e-commerce best practices and SEO optimization is also preferred. If you have any suggestions or ideas to enhance the functionality of the website builder tool, I am open to heari...

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    Need Rocket Plug in Wordpress Speed optimizer java expert 6 μέρες left

    "Need to fix a Java issue for a page that has an active campaign form that should always be visible and fillable. At times, it does not open, and users can't see it. It must be a cache Java conflict. Need an expert to either fix Rocket's settings so that this page's form always opens with no complications or apply this fix to only this page. Let me know the price, time, and your game plan to fix it.

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    Avatar en wordpress 6 μέρες left

    Requiero la creación de una interfaz donde pueda crear un avatar, similar a la pagina de funko pop.

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    Finish google analytics nad conversions 6 μέρες left

    I am looking for an experienced freelancer to finish the setup of my Google Analytics and track conversions on my website. I currently have Google Analytics setup, and I am looking to track page views for specific conversions. I am looking for a one-time setup with no further commitment. The ideal candidate should have good knowledge of Google Analytics setup and tracking page views. I need someone who is detail-oriented and will take the time to ensure that everything is done properly. Please let me know if you think you can help. Thank you!

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    Documentation Tool to draw diagrams (shapes) 6 μέρες left

    Project Title: Documentation Tool to draw flowcharts on web pages Requirements: - Need a documentation tool that allows drawing flowcharts on web page. - The tool should have features and functionalities as specified in the list provided by the client - The tool should be able to create and edit flowcharts with ease - It should provide a variety of shapes and symbols for creating flowcharts - The tool should have options for adding text, annotations, and formatting to the flowcharts - It should have the ability to connect shapes and create flow lines between them - The tool should have a user-friendly interface and intuitive controls for smooth workflow - It should support exporting and importing flowcharts in different file formats - The ideal candidate should have experience in develop...

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    website making 6 μέρες left

    I am looking for a web developer to create a portfolio website. I do not have specific features in mind, so I am open to suggestions from the developer. The website would need no more than 5 pages to fulfill its purpose. I am excited to see what the developer can come up with!

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    Component for uploading files by chunks 6 μέρες left

    The aim of this project is to build a web component that upload large files to a server by chunks. The following frameworks and libraries should be used: - Angular v16 - Symfony 6.2 - filepond for upload on the front - @auth0/angular-jwt for JWT - OneUpUploaderBundle for Symfony to handle chunks upload () - lexik/jwt-authentication-bundle to handle JWT auth on the back No need for make effort on the design, basic components are enough. There is not existing project. You can create a blank one to work with. For Symfony, you can use file-based db in order to simulate user and JWT auth. Feel free to ask any further question.

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    Vuetify CRUD Front-End Application 6 μέρες left

    Busco alguien que pueda apoyarme a desarrollar una sencilla aplicacion Front-End CRUD para integrar con un Back-End en Node-RED utilizando comunicacion con librerias y Axios, y manejo de estados con Pinia. La aplicacion es una SPA para un cliente Web para un sistema de marcado laser, y debe tener un diseño general de tipo Admin Template para Web App, con Barra de Navegacion (con Logo y Title), un Footer sencillo y el main Wrapper debe tener 2 columnas con un card y un datatable en cada una. Es basicamente un data table que permita insertar nuevos renglones, modificar el orden de los renglones (hacer uso del componente para drag-&-drop y tambien que sean sorteables), editar la informacion de algunas celdas y borrar renglones. Todo esto con botones de accion de iconos, con sus...

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    Css modifications on wordpress plugin 6 μέρες left

    I'm looking for a highly experienced and reliable freelancer to make some modifications to a custom WordPress plugin I have. The plugin is a Taxi Booking plugin and it currently has a booking interface. The freelancer must have experience working on CSS. I need the freelancer to update the syle CSS. Those applying must include a detailed project proposal along with past work examples. This will be used to determine if you have the required skills and experience to work on my project. Thank you for taking the time to read my project listing. Please get in touch if this project suits you.

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    Need a Wowonder script expert for my project 6 μέρες left

    I am looking for a Wowonder script expert to help with my project. Requirements: - Customization of existing features in the Wowonder script - These customizations have a high priority and need immediate attention - Incorporation of specific design elements into the script Ideal Skills and Experience: - Strong knowledge and experience with wowonder script customization - Proficiency in PHP, HTML, CSS, and JavaScript - Understanding of web design principles and ability to incorporate specific design elements - Attention to detail and ability to deliver high-quality work within tight deadlines

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    Create a productivity-boosting Chrome extension that helps users track and complete specific tasks in a dedicated, easy-to-access text box and provides a witty feedback message upon task completion. Core Features & Functionality: Sticky Text Box: Location: Sticks at the bottom where extensions are located on Chrome. Appearance: Dark-gray with white text. Dimensions: Small enough to write approx. 30 words in Arial 11 font, but expandable if required. Behavior: Appears upon clicking the extension icon and disappears with another click. Task Entry: Users should type in a specific task they are working on. Task Completion: Features a green check button (with a green check sign icon) that, when clicked, scratches out the completed task, displays a witty feedback message, and then empti...

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    Regular expression help 6 μέρες left

    I'm looking for someone to help me out with a regular expressions project using JavaScript. Specifically, I need help with grep - matching patterns, extracting data, and validating input. Time is of the essence for this project, so the quicker the better - as in, I need it done as soon as possible. If you have particular expertise with this kind of task, please let me know. Thanks!

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    create website car listing like Autotrader 6 μέρες left

    Project Description: I am looking for a developer to create a custom-built website, similar to Autotrader and cargurus pretty much the same exact

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    Necesito desarrollar un software que me permita vender tiquetes y que al momento de la venta genere un código QR que cliente pueda escanear y ver allí los tiquetes, el tiempo de ingreso al medio de transporte, seguido de sugerencias de actividades para realizar que se ajusten al tiempo que debe esperar para aboradar.

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    I'm looking to build a website using HTML, Css and JavaScript that would allow customers to take orders and process payments. The website will need to have room for 6-10 different product types and support multiple orders and payments. The desired timeline for completing the website is within 2-3 months. I am looking for an experienced programmer with a skill set encompassing HTML, Css, and JavaScript to take on this project and deliver the required product efficiently and accurately.

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    Hello. I want to create a website containing the past 5 years of 10K and 10Q data from public US companies in the S&P 500, all of which can be found and downloaded (in bulk) for free from SEC’s EDGAR. Approximate number of documents: 5 years * 500 S&P 500 companies * 1 10K/year = 2,500 10Ks 5 years * 500 S&P 500 companies * 3 10Qs/year = 7,500 10Qs Total = 10,000 documents (reminder, these can be bulk downloaded) The website will contain a smooth UI/UX allowing users to search for a company and select which year/quarter 10K/10Q they want to read. Once selected, the user can view and read the 10K/10Q and interact with an AI chatbot at the bottom. This AI chatbot will be able to answer questions about the selected 10K/10Q in question. Essentially, equivalent abilities ...

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    I need a freelancer developer to correct my website 6 μέρες left

    Hi Freelancer, I need a freelancer developer who can correct my website developed AngularJS, MVC and WebApi and C# as back end and SQL Server as Database, If you know at least development using C# and good knowledge in above mentioned frameworks then only please bid. I will pay @10000 per month project would be maintain on Jira and GitLab. Website not completed yet and need correction, modification in code and development new business. Happy biding

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    WhatsApp Bulk Sending Chrome Extension 6 μέρες left

    WhatsApp Bulk Sending Chrome Extension Purpose: - The purpose of this project is to develop a WhatsApp bulk sending Chrome extension specifically for marketing purposes. Features: - The Chrome extension should have the ability to personalize each message for each recipient. - It should also support automated messages and scheduled sending. Expected Daily Message Volume: - The client expects to send between 1000to 5000 messages daily. Ideal Skills and Experience: - Proficiency in Chrome extension development. - Strong knowledge of JavaScript and HTML/CSS. - Familiarity with marketing automation tools. - Ability to implement personalization features for each recipient. Please note that only freelancers with relevant skills and experience in Chrome extension development should apply for ...

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    I am looking for a skilled PHP/jQuery expert to fix a .js popup issue on my website. The popup is currently appearing and functioning correctly, but it reloads when the submit button is clicked. Specific requirements for the project include: - Experience with PHP 5 and jQuery 1.x - Ability to troubleshoot and fix issues related to .js popups - Knowledge of web development best practices and standards The ideal candidate should be able to resolve the issue within 24 hours, as there is a specific deadline for this fix.

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    Need help on JMeter for react js application performance testing 6 μέρες left

    I am looking for a skilled professional who can assist me with performance testing for my react js application using JMeter. The ideal candidate should have experience in the following: - Performance testing with JMeter - Measuring response time for the application - Simulating 10-50 concurrent users - Analyzing and optimizing the application's performance based on the performance metrics obtained

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    Add a specific set of program functions to one of our pages on our site that utilizes the camera on the users mobile phone (permission granted to the program by user) to record up to five video testimonials (30 second limit each from their mobile phone) by responding to a set of prepared video questions (pre-determined from CDN by the site). The completed and approved recorded testimonials will be automatically uploaded to the CDN into pre-selected folders. Please See Attachment PDF for exactly what the completed landing page with a video testimonial from user, will need to have. Add a specific set of program functions to one of our pages on our Wordpress site that uses the camera on the users mobile phone (permission granted to the program by user) to record up to five video testimon...

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    TradingView strategy backtesting 6 μέρες left

    I am using a tradingview trend indicator and I would like to test different stocks, indexes and currency pairs. The idea is to determine wich is the best timeframe and trading hours analizing the data with the backtesting. The indicator give the amount of pips in which the stop loss needs to be located, so the code will need to analize doing the backtesting, how would be performed.

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    Develop Python, React, Node, iOS, Android SDK packages for Payments Orchestration API Description: - I am looking for a skilled developer to create a Python, React, Node, iOS, Android SDK for our payments orchestration API. - The SDK should be developed using Python, React, Node, iOS, Android ensuring compatibility with our existing infrastructure. - The project timeline is flexible, allowing for thorough testing and refinement. - The main deliverable is a fully functional Python, React, Node, iOS, Android SDK that seamlessly integrates with our API. - The ideal candidate should have experience in Python, Java programming and API integration. - Familiarity with payments systems and orchestration is a plus. - This project involves developing a single SDK for our API.

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    cricket api 6 μέρες left

    Project Title: Cricket API Implementation I am looking for a skilled developer to implement a Cricket API into my website. The main focus of the project is to display live scores from cricket matches. Specific Requirements: - Retrieve live scores from the Cricket API automatically - Display the live scores in real-time on my website - The API data should be in JSON format Ideal Skills and Experience: - Proficiency in integrating APIs into websites - Strong knowledge of cricket and understanding of cricket scoring systems - Experience with real-time data display and updates on websites - Familiarity with JSON data format and handling If you have the necessary skills and experience, please provide examples of previous API integration projects you have worked on.

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    I am looking for a Python developer with experience in tkinter to create a tkinter project focused on data entry forms. Specifically, I want the project to include: - A user-friendly interface with well-designed data entry forms - The ability to input and store data in a structured format - Validation and error handling for user inputs The client has a design layout or wireframe for the project, so the developer will need to work with the provided design to create the desired interface. The timeframe for completing this project is one to two weeks, so the developer should be able to work efficiently and meet deadlines. Ideal skills and experience for this job include: - Proficiency in Python and tkinter - Experience in creating GUI applications and data entry forms - Strong attention...

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    React Expert With Perfect Styles 6 μέρες left

    I am looking for a React expert with perfect styles to work on my project. The ideal candidate should have experience in developing responsive designs and integrating APIs. Specific requirements for the project include: Creating a responsive design that adapts to different screen sizes from Figma designs Integrating the existing APIs from existing sources. The project needs to be completed within a timeframe of 1-2 weeks. I have existing design assets available, so the freelancer will not need to create them from scratch. If you have the necessary skills and experience, please reach out to me. Detailed doc. Cost: max is $400 (Please don't place a bid if you want more cost) Timeline: max is 2 weeks. I want to hire one who can work faster with lower cost.

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    Python script 6 μέρες left

    Hey thank you for reading. I am looking for a short Python script to be able to convert the first 2 letters of each word in a PDF file into capital letter. - I want the script to take as input PDF and EPUB formats and output the document in the same format and same font and internal text structure but with the 2 first letters of each word in Capital Letter. Example: Input PDF file: It as announcing it me stimulated frequently continuing. Least their she you now above going stand forth. He pretty future afraid should genius spirit on. Set property addition building put likewise get. Of will at sell well at as. Output: SAME FILE FORMAT IT AS ANnouncing IT ME STimulated FRequently COntinuing. LEast THeir SHe YOu NOw ABove GOing STand FOrth. HE PRetty FUture AFraid SHould GEnius SPi...

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    Modification of jquery code with php+mysq 6 μέρες left

    Need a modification with jquery script where data must be inserted into mysql table and a progress bar must be visible to show the progress

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    web developer 6 μέρες left

    Hello, I'd like help for someone to create a website for my small business.

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    video game 6 μέρες left

    I'm looking for someone to develop a video game for consoles with an adventure genre and 3D art style. Specifically, this game is not developed for personal computers (PCs), phones, or tablets, but instead for a gaming console. Furthermore, the game should feature unique 3D visuals and artwork. The ideal candidate should have experience and a portfolio of past video game projects, especially projects that have relied on 3D visuals and an adventure theme. I'm looking for an experienced individual who understands the creative nuances of creating a game from scratch, as well as the complex coding and design that goes into making a game for a console. Moreover, the right candidate should be highly adept in 3D design, and should also have familiarity with the necessary technology and...

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    Trophy icon Create expedia web scraper 6 μέρες left

    Project Title: Create Expedia Web Scraper Description: I am looking for a skilled freelancer to create a web scraper specifically for scraping flight schedules from Expedia. You can either make this file run on my pc or create a new one I will pay no more than 30usd for it do not make offers if you wont take 30.00 Specific Requirements: - The scraper should be able to retrieve flight schedules from Expedia on a daily basis. - The scraped data should be delivered in CSV format for easy analysis and manipulation. Ideal Skills and Experience: - Experience in web scraping and data extraction. - Proficiency in Python or another suitable programming language. - Knowledge of HTML and CSS. - Familiarity with web scraping libraries such as BeautifulSoup or Selenium. - Attention to detail and ...

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    I need one section for my eCommerce website 6 μέρες left

    I need the same section as in the attached video, please check. For my website, I need a map section, using HTML or jQuery.

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    I am looking for a software developer to help me create a web-based invoice management system for my existing business. The software should be able to handle both sales invoices and purchase invoices. Skills and experience needed: - Proficiency in web-based software development - Knowledge of invoice management systems - Ability to create a user-friendly interface - Experience with database management - Strong problem-solving skills Additional requirements: - The software should be able to generate and store invoices - It should have a search function to easily find and retrieve invoices - The system should be secure and able to handle sensitive financial information - The ability to generate reports and track payment status would be a plus If you have experience in developing web-based...

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    Google Form 6 μέρες left

    I need someone who could convert PDF file into Google form and help me post on my google account. Also I need to have option to have client could sign. Also able to upload that information.

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    Simple Chart Calculator 6 μέρες left

    Need simple chart calculator---------

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    Website Developer - 02/10/2023 11:30 EDT 27 μέρες left

    Create a Dynamic website for our CLAT Telegram Channel.I have domain and hosting; The purpose of the website is to offer a complete test series with Analysis for CLAT preparation, which will be available for free. We are not having max budget Please bid as per my Budget. Idea and attaching Samples 1) Admin pannel to make question paper and view student's performance 2) student pannel to access test 3) student if refresh the page, the test will start from where it was left 4) No copy paste and tab change 5) after 5 warning of tab change detection, test automatically submitted 6) view analysis and compare performance with others in graphical interface

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    need larvel devloper to work my one project work:- i have already full working project i need only one filed home page to other page

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    Παρακαλούμε Κάνε Εγγραφή ή Κάνε Είσοδο για να δεις λεπτομέρειες.

    Σφραγισμένο ΣΜΓ
    Social Media platform creation and Web page -- 2 6 μέρες left

    Social Media platform creation and Web page I am looking for a freelancer to create a social media platform and web page for my project. I am open to suggestions for features and functionalities. An initial project should be finished in between two to three weeks. Features and functionalities of social media: - Integration into the website - User registration and login functionality - Ability for users to create profiles and connect with other users - Posting and sharing functionality for text, images, and videos - Commenting and liking functionality - Search functionality to find specific users or posts - Notification system for new messages, comments, and likes - Payment possibilities - Mobile responsive design Ideal skills and experience: - Strong knowledge and experience in web de...

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    I need you to build me a multivendor e-commerce website and application. You can use any platform you want, but it has to be fast

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    Performance testing in jemter(react js application) 6 μέρες left

    Title: Performance Testing in JMeter for a React.js Application Project Description: - I am looking for a skilled performance tester who is experienced in using JMeter to test the performance of a React.js application. - The expected number of concurrent users for the application is less than 100. - The primary objective of the performance testing is to identify bottlenecks and improve response time. - Setting up JMeter and writing the script will be required. - Unfortunately, the desired response time for the application was not specified. - The ideal candidate should have strong knowledge and experience in performance testing with JMeter. - Familiarity with React.js and understanding of web application performance optimization principles would be a plus.

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    Chat creation project 6 μέρες left

    Project Title: Chat Creation Project Description: I am looking for a skilled freelancer to help me create a chat platform for a social community. Here are the project requirements: Platform/Software: - We will be using a custom chat platform, not Slack or Discord. Main Purpose: - The main purpose of the chat project is to facilitate communication and interaction within a social community. Number of Users: - The chat platform should be able to handle unlimited users. Ideal Skills and Experience: - Experience in developing custom chat platforms or similar communication systems. - Strong knowledge of programming languages and frameworks. - Understanding of user experience and interface design. - Ability to implement security measures to protect user data and privacy. If you have the ski...

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    Python code developer 6 μέρες left

    I'm looking for a talented Python code developer to create and/or modify an existing code to complete a project. Specifically, the code needs to be developed to automate a template quickly and efficiently. Working with this project requires great attention and knowledge of Python language so the desired completion of this project should be within two weeks. The suitable candidate for this position must be an expert in Python code development.

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    Need an e-commerce and LMS application built (Web and mobile app) 6 μέρες left

    I am in need of an experienced developer to build an e-commerce and Learning Management System (LMS) application for both web and mobile platforms. The ideal candidate should have the following skills and experience: E-commerce: - Strong knowledge and experience in building shopping cart functionality - Ability to implement user reviews feature - Familiarity with inventory management systems Learning Management System (LMS): - Proficiency in creating a comprehensive course catalogue - Experience in implementing student tracking feature - Knowledge of content management systems for LMS The application will serve as an online platform for both selling products and providing educational courses. It should seamlessly integrate the e-commerce and LMS functionalities, allowing users to easily...

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    56 προσφορές
    Full time WordPress Optimization Specialist (Remote) 6 μέρες left

    We are a 10-years-old digital agency and we are looking to extend our DEV team with a remote, full time WordPress developer to work with us on a full-time basis. You will be expected to work between the hours of 8:00 and 16:00 GMT/BST. You will be coordinated by the DEV team and the quality of your work will be checked by the QA team within it. Trial Period (paid): selected candidates may undergo a short trial period to evaluate their skills and compatibility with our team's workflow. This allows both of us to check if it's a perfect match before a full commitment. --- We need somebody who can help us optimising our websites. Our desktop scores are good, but we generally have to increase the mobile SEO page speed score of our existing and future projects. We need much more t...

    €23 / hr (Avg Bid)
    €23 / hr Μέση Προσφορά
    41 προσφορές

    I have an urgent need for assistance with the React frontend side of my MERN project. I am looking for a candidate who can customize components, implement responsive styling, and has a strong eye for UI/UX. This is a long-term position for the right candidate. The required skills for this role include: 1. JavaScript and React 2. TailwindCSS 3. An eye for UI/UX 4. react-select 5. Node.js/Express.js 6. MongoDB 7. Writing clean and DRY code, ensuring it is bug-free and without warnings 8. Proficiency in Git/Github for meaningful Commit and Push The selected candidate should be available to start immediately and be accessible through Slack. I am not interested in working with agencies. Note that the job budget is just for placeholder and I am going to discuss it in our chat. Please let me k...

    €467 (Avg Bid)
    €467 Μέση Προσφορά
    82 προσφορές

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