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

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    719 jobs found, pricing in AUD
    Website for Carpentry Store 4 days left
    VERIFIED

    Hello! We're in need of a project for our store's website, following the style of a landing page. We specialize in carpentry, providing materials for the manufacturing of custom-made furniture. We deal with a variety of products, including MDFs, glues, edge bands, thinners, and hardware. Our company is called Universal Marcenaria, and our visual identity includes a logo consisting of a circle with lines that resemble wood textures, creating a unique representation of a wooden globe. Our goal is to develop a website similar to this example: If you identify with our proposal and have experience in creating visually impactful and functional web pages, we'd love to see your work! Please contact us to discuss the project details and your creative ideas for our online platform....

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    Seeking an experienced web developer to build a custom, multi-page website for our brand. Primary Functionalities Required: - User Registration and Login: An intuitive and secure login/registration system for users. Ideal candidate should possess: - Proficiency in web development and content management systems. - Experience with user registration/login functionalities. Design: - We are open to your creative suggestions for the design. Please provide a few design concepts for consideration. Looking forward to working with a creative, proactive web developer who can keep us updated on progress and hurdles.

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    We are in search of a skilled Shopify developer to replicate and optimize two established Shopify stores. The primary responsibilities include cloning the existing stores and ensuring seamless functionality while implementing necessary improvements for enhanced performance and conversion rates. Key Tasks: Store Duplication: Duplicate the structure, design, and functionality of two existing Shopify stores while ensuring accuracy and consistency. Optimization for Conversion: Implement strategic optimizations to enhance user experience, increase conversion rates, and maximize sales potential. Product Sourcing: Assist in sourcing reliable and high-quality cosmetic products by identifying and liaising with private and trustworthy agents. Customization and Flexibility: Customize the code to...

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    Hreflang Missing Link Fix 4 days left
    VERIFIED

    The below tag page is giving missing link error for en and x-default <link rel="alternate" hrefLang="ar" href={`${location?.pathname}`} /> the location?.pathname is adding ar/tag to slug which is fine for ar, but for en and x-default it should only have /tag with no ar import React from "react"; import { graphql } from "gatsby"; import Layout from "../components/Layout"; import { Helmet } from "react-helmet"; import PostLoop from "../components/PostLoop"; import Seo from "../components/Seo"; import { GatsbyImage, getImage } from "gatsby-plugin-image"; import { useTranslation } from "gatsby-plugin-react-i18next"; const Tag = ({ data, location }) => { const tag = ; const pos...

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    Need solidity developer 4 days left
    VERIFIED

    Need solidity developer for contract basis .. exp 3+ needed

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    i need website traffic software robot which can use proxies & user agents to generate traffic on my website requirements (random ip on every request i will provide but you need to select random user agent on ever request ) main motive is to increase website visits using worldwide proxies I'm in need of a competent developer to build a robust software that can significantly increase my website visibility. The expected functionalities should include SEO optimization, link building, content marketing, and social media promotion. Although no specific target audience has been identified, the software should be versatile across multiple industries. The project completion time frame is as soon as possible and will require a diligent and experienced developer who can meet tight deadline...

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    I'm looking for an experienced AngularJS developer with a strong understanding of good design principles. Key Aspects: - The primary focus of this project is to update an existing website. - This update will encompass enhancing the user interface design and improving the functionality and features of the site. Your responsibilities will include: - Conducting a thorough analysis of our current AngularJS website's design and features. - Suggesting and implementing improvements in both design and functionality, in line with contemporary design standards. - Ensuring that the updated website is user-friendly and intuitive. - Conducting testing to guarantee the site is responsive and optimized for performance. The ideal candidate will have: - Proficient experience in AngularJS. ...

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    I'm seeking a skilled blockchain developer to craft a robust Ethereum-based DeFi arbitrage tool for me. This tool will focus on leveraging decentralized exchanges (DEXs) for maximum efficiency. The tool should offer an intermediate level user interface, boasting user-friendly features. Key Requirements: - Proficiency in Ethereum blockchain technology - Experience in developing DeFi solutions, particularly in the area of DEXs - Prior projects developing arbitrage tools - Capability in building an intermediate level user interface Ideal Skills: - Blockchain technology - Ethereum - DeFi - DEXs - Arbitrage - User interface design Your role will be to bring my vision to life, ensuring the tool is efficient, user-friendly, and customised for the Ethereum blockchain. A prior experience in...

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    I'm seeking a professional experienced in modifying ERPNext's system for my organization. This will primarily entail: - Implementing customized workflows, reports, and user interfaces to enhance usability and efficiency - Specifically focusing on tailoring the following modules: Manufacturing, POS, Payroll, Buying, Selling Key aspects of the Project include: - Customizing manufacturing workflows. Specifically, we need a reworked production planning process and BOM (Bill of Materials) creation workflow - All other modules, except for manufacturing and payroll, don't require alteration. The ideal freelancer for this job would be somebody experienced with both ERPNext customization and general ERP systems. The individual must be proficient in Python, Javascript, and knowled...

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    I'm in need of a proficient Power App developer with substantive experience in Model Driven App development. Key Details: - The essential feature I want my Power App to have is workflow automation. - Although I skipped the second question about specific tasks for automation, I encourage interested bidders to proactively suggest recommendations based on their expertise in workflow automation. - I need this project completed ASAP. Hence, your ability to work under tight deadlines without compromising the quality of work will be beneficial. Ideal Skills: - Robust experience with Power Apps, particularly in Model Driven App development. - Strong understanding of workflow automation. - Excellent time management skills. Looking forward to your applications.

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    I need a developer to create a proctoring exam application using Python and SQL Server. The primary role of this app is to monitor candidate behavior during online exams. Key features include: 1. Online Registration Of Candidates: A feature for students to easily register for exams. 2. Password-Based Authentication: To authenticate candidates before they can access the exams. Prior experience in implementing secure login mechanisms is preferred. 3. Advanced Browser Disablement: Unfortunately, there will be instances when candidates try to cheat the system. I need to prevent this by disabling browsing other tabs, accessing other applications, and the copy-paste function during the exam period. 4. Random Image Capturing & Video Monitoring: To further deter any cheating, the application...

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    I'm seeking an expert developer experienced in creating efficient trading platforms. Your depth of understanding in high-level languages used for trading platform development is crucial. The well-qualified candidate will demonstrate: - Substantive experience working on Fx, cryptos platforms, - Proficiency in high-level languages geared towards trading platform development, - Speed and efficiency in their work, - Enthusiasm for Forex trading market. we are looking if someone have strong knowalged on Nodejs and previous have good experince with developing trading platform Trading engine and matching engines our main focus to work on Trading terminal , Please include a description of your experience in your bid, focusing particularly on your knowledge of high-level languages used in ...

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    I'm in the process of preparing a whitepaper that aims to attract investors or partners to our project. In this regard, I'm looking to convert code scripts from my project into text format for inclusion in the whitepaper. Key project details: - I need the code scripts to be converted into a readable and engaging format for potential investors or partners. - The code scripts can be in Python, Java, or JavaScript, however, I'm open to other languages if it can better serve the purpose of the whitepaper. - The primary goal is to clearly communicate the technical aspects of the project in a way that is easily understandable to non-technical readers. - Ideal candidates should have a proven track record of similar projects and be able to provide samples of their past work. Wh...

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    Create an angular 16 component that I can add to my project easily, that implements drawflow library. I want to create conversations flow using this library. The data must be saved and retrieved in the JSON format that Drawflow library uses. The style can be modified using

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    I'm in need of a skilled web developer to help create an automation system using the platform "Go High Level". The project is urgent, and I'm looking for a professional who can complete it ASAP. Key Tasks: - Develop an automation system using "Go High Level" Ideal Skills and Experience: - Proficient in web development, with a strong understanding of automation - Specific experience or good understanding of the "Go High Level" platform - Excellent project management skills to ensure a quick turnaround - Ability to work under pressure and meet tight deadlines We need a missed call (cellphone) fwd to the voice Ai and the bot can answer questions, send caller texts messages while on phone and send links to products and services or forms to the calle...

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    We are currently having issues with our React Native iOS app. Unfortunately, we are uncertain of what exactly is causing the problems. Recent changes have been made to the React Native codebase, but we're not sure if those are the cause of the issue. The problems may be due to the version of React Native we're using, but we're not certain of that either. We require urgent assistance from a skilled React Native developer who can figure out the root issue and fix it. Key Requirements: - Proven experience in solving React Native iOS app issues - Ability to quickly diagnose and correct problems - Experience with different versions of React Native preferred - Good communication skills are crucial as we may not be able to provide all details needed Therefore if you're up f...

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    Urgent HTML/CSS Bug Fixing 4 days left
    VERIFIED

    I'm in need of a talented HTML/CSS developer to solve some critical issues in my project. The fixes are mainly concerning Navigation, Layout, and Functionality. This is an urgent task so I'm looking for someone who's available to start immediately and is capable of working under a tight deadline. Key Responsibilities: - Fix navigation issues, which might involve making links work correctly, displaying the menu properly, and ensuring page scrolls function effectively. - Address layout problems, such as making sure all elements are well-aligned and responsive. - Resolve any functionality errors, ensuring that all interactive elements and scripts are working as intended. Ideal Skills and Experience: - Proven experience in HTML/CSS bug fixing and troubleshooting. - Strong und...

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    I'm looking for a skilled developer who can create a comprehensive Facebook Birthday Reminder and message service for me. Key Features: - ***Multi-Channel Reminders:*** I want the system to be able to send reminders via email, Facebook Messenger, and SMS. It's crucial that the reminders are timely and reliable across all these channels. - ***Customizable Messages:*** The system should allow for the creation of customized messages. I'd like to be able to personalize messages with the recipient's name, include photos or GIFs, and have access to a library of pre-written message templates. - ***Scheduling:*** The ability to schedule reminders in advance is a must. I am looking for a system that allows me to set up reminders for multiple birthdays at a time, and have them ...

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    we want an ecom website(we dont wanna live it) . The website should contain front and back end. It should be in react and need it on urgent basis

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    I'm looking for an experienced developer who specializes in creating Google Spreadsheet plugins. The purpose is to export mixed data type including both text and numerical data. Key Objectives: Development of a Google Spreadsheet plugin. Integration for data from a web-based app. Build up functionality of data import/export. Ideal Skills: Experience in developing Google Spreadsheet plugins. Proficiency in handling both numerical and text data. Experience in integrating with web-based applications. The project involves developing a plugin for Google Spreadsheet that enables sharing specific spreadsheet data with our users, subject to their permissions. Upon sharing, users can view and potentially interact with the data. Additionally, the plugin should provide us with real-time updat...

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    Multi-Game Web App Developer 4 days left
    VERIFIED

    I'm in need of a skilled game developer who can create a web-based, multi-game application. I envision this project to be a one-stop gaming platform, similar to popular online gaming platforms like stake.com. Key Features: - Web-based: The games will be accessible through a web browser. Optimization for various screen sizes is essential. - Multiple Game Types: This app will host a variety of games including: - Casino Games: Implementing popular casino games such as poker, blackjack, or roulette is important. - Card Games: Traditional card games like solitaire or strategic card games should be included. - Sports Games: Sports-themed games that are engaging and well-designed. - Integration and User Experience: Seamless integration between different games and a user-friendly inter...

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    I'm seeking a skilled developer to create an online lottery platform aimed at individuals. Our platform will predominantly offer number draw and instant win games. Please watch the video from 27 minutes : I need Exact same look and feel and same Functionality in PHP

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    I'm searching for a talented developer to create an interactive map showcasing Greece's historical and touristic attractions. The web application should spotlight points of interest in a dynamic way, fueling interest in these unique locations. Key Features: - Intuitive Search Function: Users should be able to effortlessly locate sites of interest. - Informative Markers: Decorative markers will represent individual attractions. When clicked, these should unveil a brief description and collection of associated images. - Filter Options: Users should have the ability to streamline their search using various criteria. Technical Requirements: While I have no specific preference for programming languages, a strong understanding of JavaScript/HTML/CSS would facilitate the development ...

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    I'm in need of an expert proficient in Python, HTML, CSS, and JavaScript for updating an existing website/application. The updates are simple in nature, mainly focusing on content updates. Key Responsibilities: - Implementing simple content updates on an existing website - Ensuring that all updates are in line with current Python, HTML, CSS, and JavaScript best practices Ideal Skills and Experience: - Extensive experience in Python, HTML, CSS, and JavaScript - Demonstrable experience in updating existing websites - Strong understanding of version control systems - Ability to deliver high-quality work within tight deadlines

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    I'm seeking an experienced WordPress developer who is located in Phillipine and Indonesia, and can assist with various tasks to improve my website's performance and user experience. Key Tasks: - Theme Customization: I need a professional touch on the look and feel of my WordPress theme to make sure it's visually appealing and user-friendly. - Plugin Installation and Configuration: There are a number of plugins I'd like to integrate into the site to enhance its functionality. I need an expert who can recommend and install the best plugins to achieve this. - Website Maintenance and Updates: I require regular maintenance and updates to keep my site secure and running smoothly. Goals: - Improve Website Performance and Speed: I'm not satisfied with my current websit...

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    I'm looking for a web developer to create a personal webpage with camera access, image overlay, and camera switch functionality. The project is not aimed at an app, but rather a normal website page. Requirements: - Develop a webpage that supports opening the camera on a mobile device. - Implement an image overlay feature that will be visible while using the camera. - Include a button to record video with the overlay image. - Enable the user to switch between the front and back camera. Ideal Skills & Experience: - Proficiency in front-end web development, particularly in integrating camera and image overlay functionalities. - Experience in creating user-friendly interfaces that are accessible on both iOS and Android devices. - Knowledge of frameworks that would be suitable for th...

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    I'm in search of a skilled fresher to convert a raw Java source code into a mobile application for Android. The successful candidate must demonstrate patience and understanding with the following requirements: - Translate Java code into a fully functional mobile application. - The project will only be paid for upon my complete satisfaction with the outcome. Ideal skills and requirements include: - Proficient in Java programming - Previous experience in mobile app development for Android - Attention to detail and patience - Ability to troubleshoot and problem-solve independently - Good communication skills and understanding of client needs.

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    I'm in need of a skilled PHP/JS developer to assist in the completion of our Admin Panel. Specifically, I require help in integrating our existing APIs into the panel. Key tasks will include: - Streamlining the integration of our third-party services APIs into the Admin Panel - Ensuring smooth data flow and interaction between the Admin Panel and these services - Providing any necessary support and troubleshooting in the integration process I have already set up user permissions within the Admin Panel using role-based access control. The focus of this project is solely on API integration. You should have strong experience with PHP and JavaScript, as well as a track record of successfully integrating APIs into web applications. Your ability to troubleshoot and ensure smooth function...

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    I require a proficient developer with significant experience in building interactive business-related websites. The ideal candidate should have: - An extensive portfolio of past business website projects, particularly ones focused on customer interaction and conversion. - Advanced HTML, CSS and JavaScript skills to ensure a smooth and professional website build. - In-depth understanding of SEO principles to maximize the site's visibility. Without clear specifications provided on the functionalities required, I need a professional who can make expert suggestions on key features such as a blog or news feed, a booking system or a contact form. The project completion timeframe is within a month. Your ability to work within this deadline while maintaining high quality work is essential...

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    I need a MySQL Sequelize expert to resolve a specific issue in my project: models synchronization error. Key Requirements: - Expertise in JavaScript and Node.js: As the project is built on these technologies, extensive experience with them is a must. - Thorough Knowledge of Sequelize: Since the issue is related to models synchronization, the ideal candidate should have a deep understanding of Sequelize. Budget 10$

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    I'm looking for a very talented graphic designer who can build parent and child landing pages for brands that work with us in the food and beverage space (specifically liquor). Your bid will be based on the cost of 1 landing page, but expect that we will be building 2-4 landing pages per brand and billing our clients for this service. We expect a very high standard of: graphic design skills, attention to detail, excellent English reading, speaking, listening, and writing skills and excellent storytelling and placement to drive revenue through these landing pages. I expect that I will be using a platform such as Unbounce, but if you use one and you'd like to recommend one, especially one great for Shopify, then you're welcome to discuss these options. We have currently...

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    I'm looking for a talented developer to identify and fix a persistent issue in my web browser game developed using PHP, HTML5, JS, Flash and MySQL. I am encountering a problem in my game that causes the creatures not to load to the hunting screen and the fight sequence to not start. The error message that may indicate the problem is in the proxy error log, but it could be something different. In fact, these files are already working files, but I need someone who is an expert on the necessary adjustments. This issue occurs every time I try to start the fight and there is a warning that the connection to the fight server has been lost. 2024/04/13 09:08:09 [error] 13606#0: *56 openat() "/var/www/vhosts/example.com./httpdocs/fproxy/req62347" failed (2: No such file or directory)...

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    Description: Seeking React experts, Frontend Engineers, and Developers for implementing server-side rendering (SSR) on our React-based e-commerce platform's product detail page. The platform relies on React, with PHP backend supplying data. Key Points: Objective: Implement SSR for enhanced performance and SEO on the product detail page. Platform Details: React-based e-commerce platform with PHP backend. Enable SSR for the product detail page to optimize performance and user experience, while maintaining PHP backend data flow. Skills Required: Proficiency in React.js Strong SSR knowledge experience preferred Frontend development expertise PHP backend integration familiarity Benefits: Opportunity to improve a dynamic e-commerce platform Contribute to performance optimization an...

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    I need a skilled developer to craft an Android app that's geared towards both streaming RTSP video and performing basic video editing tasks. The app will be used with both live and pre-recorded streams. For video editing, features needed will focus on basic tasks like trimming and cropping, streamlining the user experience while maintaining power and flexibility. This app should be ideally designed and created by an individual proficient in mobile app development, particularly in video editing and streaming on the Android platform. Key requirements include: - Support both Live and Recorded Streams - Video Streaming and Basic Editing (Trimming & Cropping) - Experience in Android App Development - Familiarity with RTSP protocol and video editing tools.

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    I need a website that specializes in boosting services for the games Counter-Strike: Global Offensive (CS:GO), Valorant, and League of Legends. Key Features: - User Registration and Login: Clients should be able to register, create an account, and log in to access the services. - Pricing Calculator: I'm looking to streamline the ordering process with a pricing calculator that can be used by potential customers to estimate the cost of the service they require. -Booster panel: The booster who starts the service takes the order through the website and can establish a chat connection with the customer via the website. - Live Chat Support: The site must have a live chat support service to provide assistance to visitors and potential customers. - Virtual POS: A Virtual Point-of-Sale (POS...

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    I have a chrome extension that tracks email opens and clicks. A box inside each email thread displays the open/clicks data. But this box disappears after someone replies to the email and that box only appears at the first email which was tracked. I want it to be a floating box that stays through the whole email thread, not just one email inside the email tread.

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    I want to build anything which enables me to send customized whatsapp message as well as images from excel sheets

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    I'm looking for a Google Sheets expert who can help me set up a store credit reward system for my customers. Key Points: - I'd like the reward to be in the form of store credit. This means that loyal customers who make purchases will earn credit that they can use for future purchases. - The system should be integrated with Google Sheets, making it easy for my staff to manually enter customer purchases and manage the store credit rewards. - The store credit earned by customers should be clearly tracked and easily redeemable for future transactions. Ideal Skills and Experience: - Proficiency in Google Sheets and experience in setting up automated systems within it. - Understanding of point/reward system dynamics, especially in a retail setting. - Experience in creating user-fri...

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    I would like a script, where i take entries from my customers based on their choices and preference and their budget and then i allocate a salesman to the customer, I would like to automate the process by writing a script in google sheet which will check for various variables from past 1 month and then allocate the sales which did best for that customer requirement.

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    I'm looking to add a survey form to my website with 15-20 questions. - I'd like it to include a mix of question types, such as multiple choice, open-ended, and rating scale questions. - The survey form doesn't necessarily need to be integrated with any existing databases or systems, though I'm open to this if it would be beneficial. - I don't require real-time visualization of the survey results - just the ability to view and download the data. Ideal Skills and Experience: - Proficiency in web development and survey form creation - Experience in designing and implementing multi-question surveys - Familiarity with database integration (though not mandatory) - Data visualization skills are a plus, but not necessary - Good communication skills to understand the r...

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    I'm looking for an experienced React developer to enhance my existing website through vital updates such as responsive design and API integration. Key Responsibilities: - Develop improvements according to the existing design style of the website. - Implement responsive design to ensure the website is displayed correctly on various devices - Integrate APIs to promote site functionality and user engagement Ideal Skills and Experience: - Expertise in React.js, Metiral UI, CSS - Proficiency in creating Responsive Web Design - Proven experience with API integration - A solid understanding of web design principles, following existing design styles.

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    Hello. I require the expertise of a seasoned Java programmer to help me compile my WAR file. Currently, I encounter the error message "Groovyc: unable to resolve class " when I compile. I've made modifications to the code prior to this issue, but the root of the problem remains a mystery. In addition to the compilation error, I implore for assistance in redirecting my old domain name to a new one within the code (Refer to attached screenshot for more information). Ideal Skills and Experience: - Proficiency in Java programming and understanding of core principles - Experience in handling and resolving WAR file compilation errors - Domain redirect expertise within the coding realm Software professionals interested in this project should provide detailed project proposals...

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    Detailed specifications and instructions accompanied by images are found in the following Google document:

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    I am in need of a developer well-versed in web development to guide me through deploying my GitHub project on Netlify. The project can be found here: These tech were used to make the software ⚛️ React JS - Frontend ? Apollo GraphQL Server v3 - Server API ? GraphQL Template By Mohit - Boilerplate for Apollo ? Prisma - ORM ? Any relational or non-relational database that Prisma supports ?️ Redux w/ Redux Toolkit - State management ? IP Registry - Free Geolocation lookups

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    I am in search of a WordPress developer equipped with profound knowledge in plugin development and customization. The main aim of this project is to create a WordPress plugin that can handle custom post types. Move the data with images from the listing and import the data into a single post template. Key Features of the Plugin: - Create custom post types particularly requiring data to move from the admin listing to a custom post single template. - Display specified data (content and featured image) from the admin listing on a custom post single template. Skill & Experience: - Strong PHP & WordPress plugin development skills - Familiarity with working on custom post types - Competence in working with frontend frameworks (Vue.js/React) would be a bonus. In your proposal, pleas...

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    As the administrator of a burgeoning daily fantasy golf platform, I require a skilled web developer to design and implement a user-friendly website. While I won't be directly offering the games, I do need to integrate various tools that will enhance the overall experience for the players. Key tools and features that I'm looking to include are: - **Player Stats and Rankings**: The website should seamlessly display these statistics to provide users with essential information. - **Lineup Optimizer**: A tool that can suggest optimal player lineups based on the available stats. - **Live Scoring and Updates**: Real-time monitoring of player scores and updates as the golf tournament progresses. The player stats and rankings should give particular focus on: - **Projected Points**: Prov...

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    Our store has a section dedicated to oversized items, but the current freight zone setup isn't as professional as we would like. I'm looking for a Shopify expert who can help me enhance the freight zone for these items. Specifically, I'm looking for: - A way to not be able to ship some products out of some regions like here -- - Improved display of shipping options in a more professional manner My current shipping rate calculation method for oversized items is a flat rate based on weight. This needs to be factored in when improving the freight zone. Additionally, I would like the new freight zone feature to automatically adjust shipping rates based on: - Customer's location - Item dimensions Ideal skills and experience for this job include: - Proficiency in Sho...

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    programmer 3 days left

    creating a material calculator for a product with 3d preview

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    I am seeking a proficient Python and Java programmer to develop a desktop software for me. Key Responsibilities: - Software development utilizing Python and Java. Ideal Skills and Experience: - Proficient with OpenAI and creating queries with api - Flask or similar backend with javascript, etc, front end - Microsoft Azure deployment - Working with database - Proficiency in Python and Java programming languages. - Extensive experience in software development, specifically desktop applications. - Strong problem-solving abilities and attention to detail.

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    $36 / hr Avg Bid
    81 bids

    I'm in need of a seasoned programming professional to overcome performance-related difficulties that are currently affecting my Couponic/Uniprogy PHP pages. While the specific features or updates required are yet to be determined, your advanced knowledge in old PHP pages and extensive experience with Uniprogy and Couponic is essential. Your responsibilities may include: - Analyzing and comprehending the current source code to identify performance flaws. - Making appropriate amendments to improve page load speed and overall performance. - Running performance tests post-implementation to ensure efficient operation. Please include your experience dealing with PHP, specifically old-version pages, and any previous projects involving Couponic/Uniprogy in your application. Experience in ...

    $248 (Avg Bid)
    $248 Avg Bid
    63 bids

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