JavaScript Jobs

I'm in need of a skilled backend developer who can integrate data from a custom API into my WordPress site. The job involves retrieving product information from the API (we will give you the API key and visualising it through interactive charts on our WordPress website Please find the details in the attached file below. *****You can propose for partial scope of the project as well.***** Key Requirements: - Backend Development: Proficiency in integrating APIs and working with WordPress is a must. - Data Handling: Experience with handling and processing product data is an added advantage. - Data Visualization: Ability to visualize data through interactive charts - Communication: Regular updates and clear communication on the progress

URGENT, Need expert PHP, JS developer for my wordpress website it have a lot of errors after restarting my server.

I have an established WooCommerce shop, and I'm looking for a skilled developer to enhance the user experience by implementing new product attribute selection options. Key Requirements: - Currently, we don't have any method for users to select product attributes. I would like a competent developer to add a box for the size attribute. This will help users to easily pick the size they desire when purchasing. - Another significant feature I need is a product color change wheel. This feature should be intuitive and interactive, allowing users to view how the product would look in different colors before making a purchase. Ideal Skills and Experience: - Proficient in WooCommerce development - Extensive experience with creating product attribute selection options - Prior work on im...

Estamos buscando un talentoso modelador y animador 3D con experiencia en Unreal Engine 5.1 para colaborar en un nuevo proyecto de desarrollo de juegos. El candidato que buscamos deberá tener habilidades sólidas en la creación de modelos y animaciones 3D, así como un profundo conocimiento de las capacidades y técnicas de Unreal Engine 5.1. Responsabilidades: - Crear modelos 3D detallados y realistas de personajes, objetos y entornos según las especificaciones del proyecto. - Desarrollar animaciones fluidas para personajes y objetos utilizando técnicas de rigging y animación. - Colaborar estrechamente con el equipo de desarrollo para integrar modelos y animaciones en Unreal Engine 5.1 y garantizar su funcionamiento óptimo en e...

Description: We are seeking a talented software developer who can assist in the development of my platform. The ideal candidate will have experience in software development (language) and be passionate about creating high-quality Responsibilities: Collaborate with us to design and develop the platform . Write clean, efficient, and maintainable code. Test and debug software to ensure functionality and performance. Work on constructive feedback. Stay up-to-date with emerging technologies and best practices. Requirements: Proficient in Java, J2EE, Spring MVC, Spring Core, Spring boot and JavaScript. Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA, Hibernate) 5+ years of hands-on experience in designing, developing, testing and maintaining RESTful APIs and Microser...

I'm looking for a talented developer to create an overlay extension for my Twitch channel. The primary function of this extension is to display real-time topics on my stream that I can discuss with my viewers. Key Features: - A timer-driven popup: The extension should be able to pop up a new topic for discussion on the screen that all viewers and the streamer can see and also prompts us in chat. - Configurability: I need the ability to set the frequency at which these topics are displayed. It should be configurable, for example, every 5 minutes, 10 minutes, or 15 minutes. I also need to have the ability to custom create topics. - Integrated sound alert for this. The ideal candidate for this project should have: - Proficiency in Twitch Extension development. - Experience with real-ti...

I am looking for an experienced Node.js () and React.js (VITE) developer from China to build an E-commerce platform. Key Responsibilities: - Full stack development of an E-commerce platform. - Building robust and scalable software solutions. - Participating in the software development lifecycle. Key Requirements: - Proven experience in Node.js () and React.js (VITE). - Previous experience with E-commerce platforms. - Demonstrated senior level software development experience. - Excellent problem solving skills. - Ability to work independently and deliver on time. Only freelancers from China are encouraged to apply. Absolute fluency in both verbal and written English required. Please bid with relevant examples of past work.

My website is consistently showing missing images and text. This issue is present every time the page loads, and I've noticed it specifically on Google Chrome. This has been determined to be a cache problem, using ?nocache after the URL will reveal all missing images & text. It is top priority for our Business to have a fast-loading webpage and our cache system must be best utilized for speed. The ideal freelancer for this project should have: - Strong experience in web development with extensive knowledge of HTML, CSS, and JavaScript. Wordpress w/ DIVI & WP Rocket Plugins. - A proven track record in resolving similar issues with image loading & caching speed. - Familiarity with web browser compatibility, particularly Chrome. This is a straightforward task for a talented...

I aim to create a web-based platform where educators can offer services. The platform should feature a video chat option, with a rating system and payment release post-session. I'd like to include the following services and details: - Services: The platform should support the following services: Private Classes, Online Tutoring, Academic Advising. - Tutor Profiles: I need the tutors' profiles to be comprehensive, including their prior experience, areas of expertise, and certifications. - Videochat: The platform's video chat functionality should offer real-time chat, screensharing capabilities, and the ability to record sessions. Ideal candidates for this project should have expertise in web development, particularly in creating platforms with interactive features like vide...

I need a trading bot designed to work with the Ethereum cryptocurrency on Base network on the Uniswap V2 platform. This bot should be set to automatically buy and sell ETH at specific intervals without human intervention. Key Features: - Automatic Buying/Selling: The bot should automatically execute buy and sell orders based on the parameters set - Time Interval Trigger: Trading actions should be triggered based on specific time intervals, and not based on price or trend. Ideal Skills and Experience: - Proficiency in Ethereum and Uniswap V2 - Experience in designing and implementing trading bots - Understanding of automated trading strategies - Proven track record of bot development in the crypto space - Ability to deliver a reliable and secure trading solution. The selec...

Magento 2 Configurable Product Creation using Simple Product Attributes to create them I am looking for an experienced Magento developer to create a configurable product programmatically using existing simple product attributes. The ideal candidate will have expertise in both front-end and back-end development of magento 2. Scope of Work: - this work is NOT to convert simple products to confirguable products - Create all configurable products for a product catalog of over 150,000 simple prodcuts in Magento 2 using existing simple products so make a configurable product made from the simple products - Programmatically generate the configurable products from the data in the simple products - Ensure that the configurable product is functional and displays correctly on the front-end - Test ...

I am in need of an expert to integrate a WalletConnect payment gateway in my existing WooCommerce shop. This should be functional on both desktop web and mobile platforms. The ideal candidate should have: - Proven experience in Payment Gateway Integration. - Specific knowledge and experience working with WalletConnect. - Experience in WooCommerce development. - Knowledgeable about desktop and mobile web compatibility. Please note that existing payment options have been set up and the task will be primarily focused on integrating WalletConnect as an additional payment method. Your task will be deemed complete when customers can successfully make payments using WalletConnect on both mobile and desktop platforms.

I'm seeking an experienced FiveM developer with proficiency in debugging and performance optimization of scripts. The tasks required include: - Fixing bugs in existing FiveM scripts. Deliverables should work seamlessly without causing system errors or crashes. - Optimizing the performance of these scripts. This includes enhancing their efficiency so they do not negatively impact server performance. There will be about 15 purchased scripts that will need to be integrated into the site. Please include examples of previous FiveM script debugging and optimization projects in your proposals. If you do not, you will be 100% ignored.

I'm in need of a cartoon animation of the popular Angry Birds game solely for desktop computers. The animation should be built entirely using WebGL and must be educational in nature. Requirement: You can use tiny-graphics (modeling objects, bump maps, particles, etc.), but no external libraries or frameworks are allowed, e.g., ; see examples folder for ideas, e.g., for placing 2D/3D texts in your screen. Advanced features (can include a limited number of these, such as 1-3 points, not all of them)  Ray tracing  Shadowing  Collision detection  Physics-based simulation  Bump mapping/displacement mapping  Artificial intelligence  Scientific data or simulation visualization Key Requirements: - The animation should be compatible with desktop computers. - It should have basic inte...

I'm looking for a skilled Python developer who can help me with two key areas: revamping the structure of my code for efficiency and readability, and aiding in the creation of data visualisations. Key Tasks: - Code Improvement: enhancing the structure of my Python code. - Data Visualization: We'll be working on creating a range of data visualizations, including charts and graphs as well as interactive dashboards. You should have experience in creating these in Python. Ideal Skills and Experience: - Strong Python programming skills - Proven track record in code improvement - Previous experience with data visualization, particularly in Python - Familiarity with visualization libraries such as Matplotlib, Seaborn, Plotly, etc. - Ability to grasp complex data sets and translate the...

We are seeking an experienced Go High Level Expert to design, develop, and optimize high-converting websites for our clients. The ideal candidate will have a proven track record of utilizing Go High Level to create visually appealing and highly effective websites that drive conversions and enhance user experience. Responsibilities: * Design and develop websites within the Go High Level platform to meet business goals. * Design and create forms within Go High Level. * Implement conversion rate optimization strategies to maximize website performance. * Collaborate with marketing teams to align website design with overall marketing strategies and objectives. * Conduct thorough testing and troubleshooting to ensure optimal website functionality. * Implement and manage email automation workflo...

Advise as to whether vs code or arduino ide would be more suitable Complete a project containing the various pages of code, organised and zipped, ready for unpacking and modification/use. //* comment heavily, briefly explaining the features as you go. Use caps lock for anything that requires editor attention or input. Intended for hardware devices: • Xiao Esp32-S3 Sense (I call 'sense') • a small bulb such as this: • ESP32-4848S040C_I_Y_3 (I call '484') • a small speaker, such as this: Each sense should be assigned the placeholder for 2 micro servos. So if a new sense is selected via the 484 at any time, it is assigned a light as well as 2 servos. No functionality is currently required of the servos but the coding should be set up and sound...

I'm on the lookout for a highly skilled JavaScript programmer capable of developing a multiplayer snake game similar to the popular game Slither. Key Responsibilities: - Design and implement a fully functioning and optimized snake multiplayer game using client-server architecture capable of thousands of simultaneous players. Ideal Skills and Experience: - Proficiency in JavaScript and multiplayer game development. - Strong understanding of how to implement multiplayer networking games using node.js and WebSockets. This task particularly requires experience in creating games for web browsers using JavaScript, node.js, and WebSockets. Gaming creativity, back-end architecture knowledge for multiplayer games, and an ability to meet deadlines consistently will stand you in good stead...

We're looking for a programmer skilled in scraping and converting APIs into PHP or Python code (reverse engineering)! If you have the following skills, join us: 1. Proficiency in JavaScript: Ability to work with this popular programming language and fully interpret and modify codes. 2. Knowledge of Cryptography: Ability to understand and use cryptographic algorithms and methods to comprehend how data is encoded and to transform unencrypted data. 3. Familiarity with Progressive Web Apps (PWA): Deep understanding of PWA structure and methods to bypass installation on iOS. 4. Experience with network monitoring and traffic analysis software such as Fiddler: Ability to use these tools for analyzing network traffic and related information, including identifying and addressing PWA activi...

muy sencillo necesito una flecha que apunte hacia la derecha y hacia la izquierda, que baje desde arriba, una vez que yo vea que funciona, le sigo dando mas instrucciones de esta maravillosa idea por favor que sean latinoamericanos porque si no nos vamos a entender

I'm looking for a proficient developer with experience in Python, Node.js, Postgresql, and Next.js. My project entails integrating an already developed Python bot to my existing website for the purpose of automating product-related data input. Here's what I require: - Bot Integration: This Python bot needs to seamlessly function with my website's Node.js backend and frontend. Your task will be to ensure this integration is smooth and functional. - Automated Data Input: The bot should reliably input product-related data. Expertise in database management systems, particularly Postgresql, will be vital for this task. - Error Handling: In the event of an error during data input, the bot is expected to automatically generate and send a bug report. If you believe you'...

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I need a proficient developer with substantial experience in , TailwindCSS, and TypeScript to address and repair specific aspects of my project. The critical areas that need improvement are: - Styling inconsistencies: There are certain style discrepancies that need to be addressed. Due to the user skipping the details, the freelancer will need to identify the inconsistencies and make the necessary adjustments. please check this the chart component should show one time not infinite loop need to finish in a couple of hours Please write the proposal with "animation"

I'm seeking a Google for Education developer to customize the platform for our specific needs. - I need scripts to automate attendance tracking, generate custom reports, and customize the notification system. - I want to explore enabling non-domain users to function as teachers. - A master calendar feature is also required. It is somewhat critical that non-domain teachers can access the platform. The ideal candidate will have extensive experience with the Google for Education platform and be proficient in scripting and UI customization. The ability to work with a diverse team and understand the educational needs of teachers would be a strong advantage. Please share your experience in this area and how you would approach this project. Thank you.

I'm in need of a skilled front-end developer to assist with the immediate development of a website using MERN stack. Key Responsibilities: - Developing a user-friendly website interface - Implementing necessary features Ideal candidate should be proficient in MERN stack, demonstrate a strong understanding of front-end development and have a proven track record of delivering quality projects in tight deadlines.

I'm seeking a talented web developer to create a user-friendly website specifically designed for posting image-based ads. Key Project Deliverables: * The main purpose of the website will be free ads posting. This needs to be a central feature, with a user interface focused on this capability. * The site must allow anyone to post advertisements. Therefore, accommodation for guest users, registered users, and admin should be present. * The ads to be posted will strictly be image-based. The website should have functionalities that enable easy upload, display and management of image-based ads. Ideal Freelancer Skills and Experience: * Experienced in full-stack web development with a focus on user-friendly designs. * Proven track record in creating ad posting websites. * Expertise in ma...

I need an experienced programmer to develop a custom-built website for a Loadshedding scheduler. The project has a high priority and needs to be completed as soon as possible Before 20 May 2024 Basics Summary: The Load shedding Scheduler System is a comprehensive solution designed to address the challenges associated with managing and implementing load shedding in an efficient and organized manner. As electricity supply continues to be a critical issue in Zimbabwe, it is imperative to have a system in place that can effectively manage the limited supply of electricity during periods of high demand or supply constraints. The Load shedding Scheduler System aims to provide utilities, grid operators, and other stakeholders with a powerful tool to schedule and manage load shedding in a ...

I'm in need of a developer to craft a market maker bot for Solana memecoin trading on the Raydium DEX. This bot should aim for a market cap increase via intensive buy and sell operations. Key Requirements: - Experience with Solana-based Dapps and developing trading bots. - Familiarity with Raydium DEX's API and interface. - Can implement a market-making strategy focused on aggressive buying and selling. Desired Skills and Experience: - Strong background in Solidity or other Web3 compatible languages. - Experience in working with DEXs, preferably Raydium. - Understanding of cryptocurrency market mechanics. - Ability to work under tight deadlines. This project will need continuous optimization and potential for ongoing work for the right candidate. Therefore, familiarity with...

I need a Firefox Add-On urgently that can scrape specific text content from a website. The data doesn't need to be saved in any specific format; it's only important that it can be extracted and shown.

Hello, every time I send campaigns what I want is to develop a script that works with API that you can configure, for example, emails that I sent on March 1, I sent it automatically on April 1 and it tells me, example, in the month of April, x amount was sent. of choreo. I want an easy to use interface

I would like to design a health care website consisting of a main page with 9 bottoms. Each page takes you to a secondary page with some information. Like the following: Website for health and fitness track 1. Homepage 2. Services 3. Exercise Library 4. Healthy Recipes 5. Schedule Planner 6. Tips & Tricks 7. Success Stories 8. FAQ 9. Contact Us programming using HTML PHP Java script only, And Database ُTime frame 4 Days

Dev a tool to check do people have a Netflix account using only their phone number. It must be easy to use : 1 - User load phone numbers list. 2 - User add proxies. 3 - User press GO to start. 4 - Then the tool creates a .txt file including all the phone numbers subscribed to Netflix. The tool must be accurate, efficient and work fast. Please bid only if you have previously done similar project. Thank you !

I need a cloud web application that's capable of: - Import customers lands based on GPS coordinates - Each land should be capable to hold information about it (fertilizing, used machinery, ...) - Utilizing the Sentinel Hub satellite maps API - Showing normal map layer - Providing a feature for customers to create a vegetation index analysis - Showing real-time weather forecast information through a widget - Export analysis to shapes for different terminals in tractors and machinery The application will have different logins for different customers. Ideal skills and experience for this job include: - Proficiency in web application development - Experience with satellite maps APIs, specifically Sentinel Hub API - Familiarity with data analysis, particularly in creating vegetation ind...

I'm looking to develop a highly functional AI chatbot for my website. This chatbot should be able to do the following: - Generate a set of questions real time (Not predefined FAQ's but real time based on topic provided) and records answers in real-time during a video call. - Be able to analyze face expressions/body language for confidence/conviction/nervousness etc. - Past meeting analyze the recorded answers and correlate them with body language This will NOT a typical chatbot in which questions and answers are pre-defined. I estimate that during the video calls, the chatbot will need to generate between 10-12 questions. Ideal skills for this project include: - Proficiency in Artificial Intelligence and Deep Learning - Experience in developing chatbots - Ability to integ...

I'm in need of a skilled developer to create a small platform in ColdFusion that focuses on trading with interactive charts. Below are the main components and requirements for the project: - Development of three linear graphs: The platform will feature three line charts for displaying market data. These charts should be clean, visually appealing and designed to be easily readable by users. - Interactive graphic element: A key feature of the platform will be an interactive graphic element that users can draw anywhere on the screen. This element should be fully customizable, with the ability to be resized, dragged and dropped, and change color. It's important that this feature is intuitive and user-friendly. - Visual design: The platform should have a frontend that is visually a...

I'm seeking a skilled Shopify developer to assist with optimizing my store's speed and creating a preorder page. Requirements: - **Shopify Speed Optimization**: The main issue I'm experiencing is slow page loading. I need someone who can identify the root cause of this and improve the overall speed of the website. This is crucial to enhance the user experience and reduce bounce rates. - **Preorder Page Development**: The goal of this page is to generate immediate sales. It should feature product descriptions and a countdown timer to create a sense of urgency among customers. The page should be visually appealing and user-friendly, encouraging customers to make a purchase. Ideal Candidate: - Proficient in Shopify development - Experienced in speed optimization techniques ...

I'm experiencing multiple glitches in my inventory application developed in React Native. It facilitates both iOS and Android systems. The two primary issues I'm struggling with are: - Wrong data displaying: The app is often displaying incorrect data which is inconsistent and doesn't match with the original entries. - Error during item management: I encounter an error when adding or removing items from the inventory. I'm hoping to find a freelance developer with a hands-on experience in React Native, who can identify and fix these issues promptly. A good understanding of data validation and inventory management systems would be a real bonus. This job requires strong problem-solving skills and a keen attention to detail to troubleshoot and resolve the bugs effectivel...

Necesito un desarrollador de software competente para trabajar tanto en el backend como en el frontend de una aplicación. La aplicación se utilizará tanto en la web como en dispositivos móviles. Las funciones y habilidades requeridas incluyen: - Desarrollo en backend y frontend - Creación de una aplicación utilizable en web y móvil (responsive) - Implementación de gestión de usuarios para administrar perfiles de usuario, autenticación, autorización y seguridad relacionados con los usuarios Idealmente, busco a alguien con experiencia en el desarrollo de software orientado a aplicaciones y particularmente en la gestión de usuarios. Si tienes experiencia trabajando en proyectos similares y posees estas hab...

Hi please let me know if someone is able to finish a project with PHP and do me a web app panel for api calls on servers, and also email automations.

I am seeking a competent Django developer to elegantly combine three Django projects that all have distinct databases. Specific requirements include: - The three Django projects use the same Django version. Familiarity with different Django versions is beneficial but not compulsory. - Troubleshoot potential conflicts between the apps in my Django projects; however, none are known at this stage. - The databases for each project differ entirely. Therefore, experience with complex database structures and integration is crucial. Ideal skills and experience: - Proven experience with Django project integration. - Strong understanding of different database structures. - Ability to troubleshoot and resolve potential app conflicts. - Attention to detail and a problem-solving mindset.

I'm seeking an experienced developer to create a web application. The purpose of this application is to extract table data from PDF documents and translate it into various chart formats, specifically bar graphs, pie charts, and line diagrams. I also need the application to be capable of handling data pivoting. Ideal candidates would have strong skills in data extraction techniques, chart creation, and web application development. Understanding of data manipulation and presentation is also a must.

I'm looking for a skilled developer to create a one-page portfolio for me using HTML, CSS, and JavaScript. This site should have a clean and modern design. Key Requirements: 1. **One-page Design**: I want a single-page website that showcases my work, skills, and contact information. 2. **Collaboration Request Feature**: There should be an option for visitors to send collaboration requests. So the most minimal backend option to cater that is needed. (for the back-end, choose stack you're most proficient at) 3. **Responsive Design**: The site should be fully responsive and optimized for all devices. Ideal Skills and Experience: - Strong command of HTML, CSS, and JavaScript - Experience in creating one-page websites - Knowledge of creating and handling data with JavaScript - Exper...

I have an Angular project hosted on , and its MySQL database on Cloudways. I'm looking for a professional to transfer both the frontend and backend to DigitalOcean. I need help in setting up the server and transferring the database as well. Key Project Requirements: - Transfer existing Angular project from to DigitalOcean - Move existing MySQL database hosted on Cloudways to DigitalOcean - Set up the server on DigitalOcean for hosting the Angular project - Transfer and configure the MySQL database on DigitalOcean - Ensure the migration process is smooth and without downtime - No manual deployment used, so expertise in this area is crucial Ideal Freelancer: - Proficient in Angular for frontend transfer - Experienced with setup and configuration of servers on DigitalOcean - Skilled ...

I'm in need of an Arab Frontend Developer who is a master of and GSAP. The task on the table is to work on an interactive website that features animations along with 3D modeling and visualization. Key Requirements: - Proficiency in GSAP and - Experience in building interactive websites - Skilled in 3D modeling and visualization - Fluent in English and Arabic The primary goal of the project isn't specified, but given the need for intricacy in animations and 3D modeling, your creative input is highly valuable. The UI design hasn't been decided yet, leaving an opportunity for your artistic influence. Ideal Skills: - GSAP and expertise - Exceptional skills in 3D modeling - Creativity in interactive website design - Proficient in Arabic language.

As an owner of a project looking for an experienced developer who's deeply familiar with Nocodb and Editor.js. Despite the provided options during the question and answer session , my requirements aren't fully encompassed within the provided choices. Therefore, I am mainly interested in: - The creation of a new text field type in Nocodb. - The new text field type based on for enhanced user interactivity. - The ability to integrate this new text field with an existing plugin, eliminating the need for custom development or modification of a current text field type. For the right candidate, with relevant experience with Nocodb, a deep understanding of and a proven track record of successful plugin integrations, this should be a straightforward project.

I am looking to incorporate a unique feature onto my Wix e-commerce site. I sell large, dome-shaped pouffes which are gloss-finished using a variety of 18 different fabric shades and 11 ink colours, offering numerous bespoke options to my customers. - My requirement is for a 3D visualization tool capable of dynamically showcasing every possible colour variant of the pouffe. - The visualization needs to clearly reflect the nuances of both fabric and ink colours, thereby aiding my customers in their personalised selection. - I am targeting an accurate representation of a large-sized pouffe (18 inches or larger in diameter) that captures the glossy texture and bespoke options in detail. Ideal candidates for this job will have experience in 3D rendering, e-commerce platform integration, e...

We are seeking a highly skilled freelance Web Developer to undertake an innovative project involving the development of a Google Maps overlay application. The application will be used to manage and display events, with functionalities tailored for two different user types: commercial users and normal users. This project will integrate advanced features including user authentication, payment processing, and dynamic interaction with the map. Project Details: Development of Two Different Forms: Create user-specific forms for event entry. Commercial users' forms will include membership management and payment functionalities. Google Maps API Integration: Utilize Google Maps JavaScript API to overlay event data on a map, employing custom markers and interactive elements. Backend and Secur...

I am looking for a skilled developer to enhance my site by integrating Google Meet API functionalities. The ideal candidate will be responsible for creating a seamless connection between our site and Google's services, enabling automated event management and notifications. Key Responsibilities: • Develop and integrate a feature to create Google Calendar events directly from the my platform. • Implement a system to receive push notifications on my site when an event is canceled. • If feasible, establish a method to generate and retrieve Google Meet links for these events. Requirements: • Proficiency in API integration, especially with Google APIs. • Understanding of authentication mechanisms, specifically bearer tokens. • Ability to work with event-...

I'm looking to develop a web-based game with a theme on collecting objects. The concept is simple with a few unique elements to make it engaging and addictive: -Game Type: The main gameplay will revolve around collecting items in a dynamically generated environment. As players collect items, they may unlock special abilities, add to varying collections, or open up new areas to explore. -User Data: The game needs to track player's points accumulated during gameplay. These points will accumulate based on time spent playing. -Point System: I need the game to have a robust scoring system, with points allocated based on the time spent playing. The ideal freelancer for this project will have solid experience in web-based game development, with a portfolio featuring some collecting ...

We have a device which is transmitting using JT808 , we want to capture that transmission and write in a mysql db. We will not provide documentation on JT808. Do NOT bid if you do not have experience with this protocol. If you have worked before with this protocol, please give a brief explanation of what you did.