Node js project example jobs

I need an experienced developer to integrate reCAPTCHA v2 (Checkbox) on the send message button of my custom HTML/CSS/JS website. Ideal Skills and Experience: - Proficiency in HTML, CSS, JavaScript - Prior experience with reCAPTCHA integration - Strong problem-solving skills - Attention to detail

I have a Node/Puppeteer script that logs into an EA Sports Ultimate Team WebApp account. I'm looking for an experienced developer to enhance the script to mimic a PlayStation console login, preventing the account from being opened again once logged in. Key Requirements: - Modify the existing script to simulate a PlayStation console login to EA's servers. - Implement functionality to lock the account after the first successful login. - Notify the user if an existing login session is detected. Ideal Skills and Experience: - Proven experience with Node.js and Puppeteer. - In-depth understanding of PlayStation and EA's login mechanisms. - Familiarity with EA Sports Ultimate Team WebApp. - Experience in developing scripts to mimic console behavior. - Playstation/xbox &am...

...using these technologies and others that can add value to the project: Node.js and PostgreSQL. In addition, the project needs to be added to a private repository on Bitbucket. Commits on Bitbucket need to be gradual to show the project's evolution. Design of the selection process project: The project needs to be created with microservices architecture. You need to create the entity-relationship diagram for the project. Consider that there may be n more screens related to Anamnesis and n more screens related to Anthropometry. Create the Swagger for the APIs that you develop. Create the Collection for the APIs that you develop. The project needs to be hosted in the cloud on AWS. Other rules: To make

complete website design in next js along with SEO

I need my WordPress website turned into a static HTML/CSS/JS version. The project will serve as a trial for potential team recruitment. Key Requirements: - Replication of contact forms and interactive elements from the WordPress site. - Dynamic content updates need to be handled using simple HTML, CSS, and JavaScript. - No specific JavaScript frameworks or libraries are required; just pure, straightforward coding. Ideal Skills: - Proficiency in HTML, CSS, and JavaScript. - Experience with WordPress and understanding of its structure. - Able to replicate interactive elements accurately. - Attention to detail to ensure the static site mirrors the WordPress site. this is an example...

I'm looking for a skilled professional to set up and customize a website template I've purchased from Envato Codecanyon. This project involves: - Installing and configuring the template on my server. - Making necessary layout changes, specifically to the header, footer, and overall page structure and color scheme. - Adding new features such as a user login system and contact forms. A keen eye for detail is crucial as I need the website tested thoroughly to ensure all features and functions work perfectly before deployment. Ideal candidates should have: - Proven experience with Envato Codecanyon templates. - Strong web development skills (HTML, CSS, JavaScript JS, JavaScript JSON, PHP, etc.). - Familiarity with hosting environments and server configurations. -...

...track of the balance of all generated addresses. - Facilitate transactions: The wallet should be able to send USDT to other addresses when requested. Security is a critical aspect of this project. The Turswallet must incorporate: - Two-factor authentication: This will provide an additional layer of security for transaction confirmations. - Encryption of keys: All private keys must be encrypted to prevent unauthorized access. - Regular security audits: The wallet should have a mechanism for conducting regular security checks to identify and rectify potential vulnerabilities. Ideal candidates for this project should have extensive experience in JavaScript, particularly with blockchain development. Knowledge of USDT and BEP-20 standards is a significant plus. Security-focus...

This is to bring attention to my programming CONTEST at: https://www.freelancer.com/contest/CrossPlatform-basic-example-app-with-JNI-Flutter-or-KotlinNative-Multiplatform-for-AndroidiOSetc-EST-2514642/details So do not BID here, instead GO TO the CONTEST at: https://www.freelancer.com/contest/CrossPlatform-basic-example-app-with-JNI-Flutter-or-KotlinNative-Multiplatform-for-AndroidiOSetc-EST-2514642/details

The basic example app is simple, just include several small binaries of Hello-World compiled/built with Rust/C/C++/golang and the app must execute them and display the app message in an activity or 'view'. So you will need to use JNI or ffi or channels or bridges if using flutter etc. You can use whatever cross-platform method you prefer. You must provide all sources and binary for Android and one other platform. Clear? The app will simply call several versions of "Hello World!" binaries (one in C, C++, Rust..) inside the "Apk" for example, and display the Hello World output in some GUI (graphical view/user interface) of the app. You can post just the BINARIES and provide the Source Code "after" you are AWARDED the contest. THAT&#...

I'm seeking a professional to create a minimalist, monochrome-themed portfolio for me. This portfolio needs to highlight my web development and UI/UX design skills. Key Requirements: - Showcase of web development skills: HTML, CSS, JS, REACT, REACT NATIVE, JQUERY(Need small projects developed with code base) - Display of UI/UX design skills: Figma, AdobeXD, Sketch(should include case studies) - Content sections to include: About Me and Project Showcase (Testimonials section is not necessary) Ideal Skills: - Proficient in web development and UI/UX design - Strong understanding of minimalist design principles - Experience in creating engaging, user-friendly portfolios

...full-stack developer or a dedicated team to build a cutting-edge, AI-powered website that showcases proprietary intellectual property and delivers intelligent, patent-specific insights. This platform will utilize advanced technologies such as GPT-4, LangChain, vector-based semantic search, and dynamic content rendering to create a highly engaging, intelligent, and user-friendly experience. The project demands expertise in AI integration, serverless architecture, frontend development, and interactive visualizations. The core feature of this platform is an AI agent capable of understanding user queries, retrieving relevant sections from a database of 14 patents, and generating actionable, intelligent responses. The AI agent must rely strictly on patent data to ensure its outputs a...

...music.html. However, these files do not seem to directly relate to the specific requirements outlined in the project overview for the Admin, Vendor, and Customer interfaces. Given the lack of relevant files in the current directory, I will need to create new files to implement the required functionality for the web application. This will include creating files for the frontend (HTML, CSS, JavaScript) and backend (Node.js or Python) components. Next, I will proceed to create a comprehensive plan using the brainstorm_plan tool to outline the necessary steps and file structures for the project. Here is the comprehensive plan for executing the task: Information Gathered: The project requires the development of a web application with three main interfaces: Admin, V...

I'm seeking a professional to create a minimalist, monochrome-themed portfolio for me. This portfolio needs to highlight my web development and UI/UX design skills. Key Requirements: - Showcase of web development skills: HTML, CSS, JS, REACT, REACT NATIVE, JQUERY(Need small projects developed with code base) - Display of UI/UX design skills: Figma, AdobeXD, Sketch(should include case studies) - Content sections to include: About Me and Project Showcase (Testimonials section is not necessary) Ideal Skills: - Proficient in web development and UI/UX design - Strong understanding of minimalist design principles - Experience in creating engaging, user-friendly portfolios

...transaction processing. * Max dev hold amount (%): Automatically skip tokens if the dev owns too much percentage of a token. * Monitor price every millisecond * High speed super fast RPC node. * There is no min or max pool size requirement * Slippage option can be set Any other features you can recommend we can discuss this I don't want the bot to snipe coins that have migrated on to radium NO. The bot must snipe fresh newly created coins, there are around 60 new coins created every single minute and the bot should be capable of sniping every newly created coin. This bot must use a lighting fast high-speed RPC Node. I will require this bot to be fully set up by the owner who creates this for me, i will only approve once it's up and running as per my req...

We want to create a fully custom-coded LMS website inspired by (only referencing its layout and user flow) using Cursor AI. This means no WordPress, Wix, or Figma—just custom HTML/CSS/JS with code generation and editing via Cursor AI. After deploying on Netlify, we’ll later revise images/text to avoid any direct duplication or trademark elements from the original. Reference Pages (for structure and design approach only): Main: Landing: Menu 1 (Company Intro): Menu 2 (Landing Page Intro): Menu 3 (Purchase Page):

...and liquidation processes. Collateral Management: Develop smart contracts for managing various types of collateral (e.g., ETH, BTC, stablecoins, other DeFi assets). DAO Governance: Develop governance mechanisms based on tokenized voting, with stakeholders being able to vote on parameter adjustments (e.g., collateralization ratio, interest rates) and protocol upgrades. 2. Backend Infrastructure: Node Infrastructure: Set up and maintain blockchain nodes (Ethereum, Polygon, or other compatible chains). API Layer: Build RESTful APIs to interact with smart contracts, enabling real-time data retrieval, transaction processing, and event tracking. Database: Set up a secure database system for storing off-chain data (e.g., transaction history, user balances, collateral status). 3. F...

**Project Title:** Simplify and Modernize Website for **Project Description:** We are seeking a skilled web developer/designer to update and enhance our current website, ****, by creating a simpler, cleaner, and modern HTML/CSS/JS version. The current website code, which is a complex modification of a CSS template, will be provided for reference. The goal is to deliver a maintainable, aesthetically appealing one-pager with updated content, improved usability, and additional functionality. ### **Key Requirements:** 1. **Website Redesign:** - Simplify the current codebase into easy-to-maintain HTML, CSS, and JS. - Modernize the design while using our corporate colors and ensuring an appealing, professional look. - Ensure all fonts are adjus...

...Github Node, npm and npx Angular and the ng CLI, TypeScript NgRx, RxJS Tailwind CSS You will need a computer ready with the tools necessary to work with the above. Please make sure that you have these installed to the latest versions. If you don't already have a Github account, then ensure you have one before you begin. This task should not take any longer than 1-2 hours. As timing is a key factor, please ensure that you have an uninterrupted period of time allocated. Follow the instructions carefully. Take particular note of the git push steps. Your output will be checked against: Task completion and accuracy Implementation Code cleanliness and consistency Timing ⠀Additionally: For the purposes of this evaluation, Unit Tests will not be required. All layout and styling in...

I need my current website updated with a new logo and some new content. However, when I tried to do this, I noticed some outdated node dependencies causing issues. You will need to resolve the node versioning error in the existing React project before I can proceed. Please check the GitHub repo if you can do it or not.

I'm...stylish appearance - Comprehensive filtering options for customers: by price, diamond type (natural or lab-grown), weight (carats) and measurement, cut, polish, symmetry, fluorescence, L/W ratio, table, depth, and certificate - Real-time data retrieval from our suppliers' API The tech stack could be HTML, JS, CSS (or Bootstrap) for the frontend, and PHP or ASP.NET for the backend. Speed is crucial, so I'm open to any efficient solution you can provide. Ideal candidates for this project should have: - Proven experience in e-commerce website development - Strong skills in the suggested technologies - Prior work with real-time data integration from API - A portfolio showcasing modern, stylish web designs - Excellent understanding of quality parameters rel...

My React-based presentation website needs some minor fixes. Looking for someone who can sort it out quick. List of Tasks: - Change Contact Number and Address on Footer & Contact Page - Start Node Server Strapi on Digital ocean Droplet via Terminal/Console-

I need help with a small improvement in my n8n workflow to make it more organized and easier to manage. The task includes: Clean and Split a Code Node Remove unnecessary code from the existing Code node to keep it clean and efficient. Split the Code node that currently contains HTML, CSS, and JavaScript into three separate Code nodes to make it easier to update and maintain. Reusable Components I have a table and some functions that I want to use in different Code nodes without copying them repeatedly. I need a simple solution to make these components reusable across the workflow.

...tier) Support for both Raydium and Jupiter aggregator Transaction optimization using Jito bundles Dynamic compute unit and fee optimization Detailed transaction monitoring and reporting Technical Requirements: Transaction Speed: Target execution time: 2-3 seconds maximum Optimized for shared RPC performance Fast confirmation prioritization Command Structure: Simple CLI commands: node tokenaddress and node tokenaddress Configurable SOL amount for initial buy Automatic full position liquidation for sells Performance Monitoring Output: Buy Transaction: Time started Time confirmed Jito fees Swap fees Total investment including fees Sell Transaction: Time started Time confirmed Jito fees Swap fees Final amount including fees Deliverables: Fully functional CLI trading scr...

I'm looking for a skilled web developer to help me create a personal blog. The site should be built using HTML, CSS, JavaScript, and jQuery. Key Features: - About Me Section: This will provide visitors with background information about me. - Blog Posts Section: This is where I will share my thoughts and experiences. - Contact Form: A simple and effective way for visitors to get in touch with me. - Monetization: The site should be designed with future monetization in mind, primarily through advertisements. Ideal Skills: - Proficient in HTML, CSS, JavaScript, and jQuery. - Experience in creating personal blogs or similar websites. - Understanding of web monetization strategies, particularly through advertisements. Please provide examples of similar projects you've completed in ...

I have a legacy React JavaScript project that needs to be converted to the latest TypeScript version. I am looking for an experienced React developer to assist with this migration. Required Skills: TypeScript React Redux Redux-Saga Redux-ORM More details will be provided during the interview.

...exchange (CEX) wallets. • A list of CEX addresses will be provided, and it should be easy to update this list. • Maximum Balance: If the receiving wallet’s total balance exceeds 40 SOL, it should be discarded, and no alert should be sent. Alerts to Telegram When a transaction meets the criteria, the bot should send a message to the Telegram group with the following details: • Wallet Name: Example: “MOTHER1”. • Wallet Address: The address of the sending wallet. • Receiving Wallet Address. • Amount of SOL sent. • Link to Solscan to view the transaction. Note: Examples will be provided during development to guide implementation. Technical Requirements 1. Libraries and Required APIs • Solana API: to retrieve outg...

I need a skilled developer to integrate Okta for both authentication and authorization in my existing React Single Page Application (SPA), and securing my Node API. Task Breakdown: - Implement Okta with Fusion Auth within the React SPA using Axios for API calls. - Protect the Node API with Okta, utilizing simple token validation for access control. - use MFA with OTP Ideal Skills: - Proficiency in React and Node.js - Extensive experience with Fusion Auth - Strong understanding of token-based authentication - Expertise in using Axios for API requests.

My Spin to Wheel app, purchased from Codecanyon and modified with some JS functions, requires urgent attention. The wheel isn't spinning, and there are multiple issues with the code that need to be fixed for the app to work properly. Key Requirements: - Debugging JavaScript errors, particularly on the Spin function - Resolving API integration errors - Fixing issues with WebPoints update The app needs to integrate seamlessly with my website, where FMID, WebPoints, and Nickname are sourced. Each spin should correctly deduct 4 WebPoints, and if there are insufficient points, an automatic spin should occur, updating the user's WebPoints in real time. The final result of the spin needs to be sent to a separate Game API to award gifts. Ideal Skills and Experience: - Profi...

I require professional assistance for the basic installation of on my Windows system. - Node and npm: Both are installed and ready for use. - Dependencies: I'm uncertain about the specific libraries or dependencies needed for my project, so guidance in this area would also be beneficial. Skills & Experience Required: - Proficient in installation and setup - Familiar with Windows environment - Experienced in identifying and installing necessary project dependencies and libraries - Able to provide clear, understandable guidance

More details: What type of items will the CNC machinist primarily work on? Metal components - mostly stainless steel parts Which machining operations are required for these metal components? Turning, Milling, Drilling - none but he needs to have the understanding to see whats invoved in the job to order material. What kind of drawing formats will the CNC machinist be working with? DXF files - and pdf drawings.

...WordPress website, including: - **Slow loading times** affecting user experience. - **Inconsistent accessibility** on some devices. - **Outdated database server version** (requires MySQL 5.7 or MariaDB 10.2). - **Plugin conflicts** causing errors and slowdowns. - **Server errors (500)** and **malware remnants**, leading to recurring issues. I need help with: - **Image optimization**, CSS/JS/HTML minification, and database fixes. - Resolving **plugin conflicts** and **server optimization**. - Comprehensive **malware removal** and ensuring compatibility across devices. **Ideal Candidate** - Expertise in WordPress, speed optimization, and technical troubleshooting. - Skilled in resolving server errors, database issues, and enhancing website security. If...

Hi Shiva K., We just noticed that you posted a project for "Angular/TypeScript Frontend Developer Needed" (https://www.freelancer.com/projects/angular-js/Angular-TypeScript-Frontend-Developer-39023000/details)

I'm looking for a skilled developer to integrate Apple In-App purchases into my custom-built website. The in-app purchases will be in the form of subscriptions. Key Requirements: - Implementation of Apple In-App Purchase for subscriptions - User authentication setup prior to purchase - Expertise in Custom HTML/CSS/JS The ideal candidate will have a strong understanding of e-commerce integration, particularly with Apple, and can ensure a seamless user experience. Your ability to set up user authentication for purchase validation is crucial. Please share your relevant experience and examples of similar projects you've completed.

Hi Moufi K., We just noticed that you posted a project for "Development of a Complete SaaS Platform for Automated System Creation and Social Media Management with AI Integration" (https://www.freelancer.com/projects/angular-js/Development-Complete-SaaS-Platform-for/details)

I'm looking for an experienced React JS developer to integrate a Stripe payment gateway into my website. Additionally, I need an admin panel that allows for dynamic pricing control. Key Requirements: - Stripe Payment Gateway Integration: The payment gateway should be seamlessly integrated into the website, ensuring a smooth transaction process for users. - Dynamic Pricing Management Admin Panel: The admin panel should provide a user-friendly interface that allows for easy adjustments to pricing. Ideal Skills: - Proficient in React JS - Experience with Stripe Integration - Prior work on developing Admin Panels - Good understanding of dynamic pricing systems

I'm in the planning stage of a web application aimed at being a management tool. Key responsibilities: - Overseeing the development process from start to finish - Ensuring the project stays on track and within budget - Facilitating communication between team members Ideal skills and experience: - Proven experience in project management, particularly in web application development - Strong understanding of React, express, node and mongodb and other basic programming knowledge to assign tasks to programmers - Excellent communication and organizational skills I'm looking for a project manager who can bring this vision to life, ensuring a smooth development process and a top-quality end product.

Job Opportunity: AI Developer to Build a Custom LLM-Based Solution for Our Platform We’re seeking an experienced AI Developer to help us set up a custom Large Language Model (LLM)-based AI solution, such as GPT or similar frameworks. The goal is to integrate this AI into our platform, enhancing user experience and automating tasks. Our platform is currently in development, using , Node, and MongoDB, with additional tools such as TypeScript and Tailwind CSS. We’re looking for someone who can offer professional guidance on the best setup and approach for implementing an LLM solution tailored to our business needs. Key Responsibilities: Assist in evaluating and recommending the best LLM framework (e.g., OpenAI’s GPT, Hugging Face, etc.) for our platform. Guide us i...

I am in need of a Node JS Typescript project where utility functions are created specifically for handling interactions with third-party APIs. These functions should cover: - API interaction: GET requests, POST requests, and handling Authentication. Key Requirements: - Proficient in Node JS and Typescript - Experience with creating utility functions for API interactions - Familiar with both GET and POST requests - Capable of designing functions that handle authentication processes Ideal Skills: - Strong understanding of API structure and functionality - Excellent problem-solving skills - Ability to write clean, efficient, and reusable code The aim is to facilitate seamless communication with various third-party APIs via these utility functions.

...Cluster. This is a Cockpit module and the project is purely frontend with provided backend APIs. Key Responsibilities: - Design a UI to manage various functionalities of the Galera Cluster including: - Monitoring node status and health - Configuration management - Handling backup and restore processes - Adding new nodes to the cluster - Creating a dashboard with sections for node status and health, configuration management, and backup and restore - Enabling user actions on nodes such as adding/removing nodes and monitoring node health Ideal Skills: - Proficient in React and PatternFly - Experience in UI/UX design - Prior work with MySQL Galera Cluster is a plus - Creative problem solver with a knack for clean, user-friendly design This proj...

I need a skilled developer to integrate Okta for both authentication and authorization in my existing React Single Page Application (SPA), and securing my Node API. Task Breakdown: - Implement Okta within the React SPA using Axios for API calls. - Protect the Node API with Okta, utilizing simple token validation for access control. - use MFA with OTP Ideal Skills: - Proficiency in React and Node.js - Extensive experience with Okta - Strong understanding of token-based authentication - Expertise in using Axios for API requests.

I'm looking for a skilled developer to create an E-commerce website using React JS. The primary features should include a basic product search bar and search & filtering options. Key project features: - An intuitive, user-friendly E-commerce interface - A basic search bar for product search and filtering Ideal skills and experience for this project: - Proficiency in React JS - Previous experience in developing E-commerce sites - Strong understanding of user interface design - Ability to implement a basic product search bar. Please provide examples of relevant projects you have worked on in your bid.

Project Criteria Technologies: HTML, CSS, JavaScript (or libraries/ frameworks based on JS).

I'm seeking a skilled Angular JS programmer to develop a trading iframe module for me. This module will be integrated with the Interactive Brokers platform and should primarily serve the following functions: - Displaying account information. - Enabling the placing and managing of orders. The ideal freelancer for this project should have a strong background in Angular JS and experience with Interactive Brokers API. Please include relevant samples of your previous work in your bid.

I'm in need of a seasoned React.js developer for a robust, single-page web application. The app's complexity and security requirements are high, and it will primarily handle media files. Key Features: - User Authentication: The app needs a secure and seamless user login system. - Data Visualization: There will be a need to represent data in an easily digestible way. - Real-time Features: The application will have to support real-time interactions. Media Handling: - The application will primarily deal with various types of media files including images, videos, and audio files. Ideal Candidate: - Extensive experience in developing single-page applications using React.js. - Strong understanding of user authentication systems, data visualization techniques, and real-time feature i...

...and suggest improvements. Requirements: • Proficiency in Backend Development: • Strong experience with Node.js for API development. • Experience with Python for web scraping (using tools like Scrapy, BeautifulSoup, or Selenium). • Frontend Expertise: • Strong skills in React and state management libraries (Redux or Context API). • Familiarity with data visualization tools (e.g., , D3.js). • Database Knowledge: • Experience with MongoDB and writing efficient database queries. • General Skills: • Ability to work independently and as part of a team. • Strong problem-solving and debugging skills. • Excellent communication and collaboration abilities. • Familiarity with version control systems like Git. &b...

I'm looking for a skilled web developer who can build an interactive performance analysis website for me. This website will primarily feature interactive charts and graphs, so experience with creating and implementing these types of visuals is crucial. Key ... so experience with creating and implementing these types of visuals is crucial. Key responsibilities will include: - Designing and developing a user-friendly interface filled with interactive charts and graphs. - Ensuring the website can connect and retrieve data from various databases. While I haven't specified a particular framework or library for the interactive charts, familiarity with D3.js, , and Highcharts could be beneficial. Please include relevant examples of your work with interactive web elements in yo...

I need an agency website for my digital marketing agency designed similar nut not the same to DisruptiveAdvertising.com. The website should include: Clean & modern design with smooth, fast-loading pages. Bold, clear call-to-action (CTA) buttons to generate leads and client contact. Portfolio section to easily showca...navigation. Responsive design, optimized for both desktop and mobile. Important Notes: The website must be easily customizable. I need to easily edit case studies, upload new images, and update the portfolio without requiring developer assistance. The site should be conversion-optimized, with an easy way for users to reach out for consultations. Skills Required: Web Design and Development (HTML, CSS, JS, WordPress) Portfolio and Case Study Integration Lead Gener...

...(e.g., zooming). - **NgvControls**: UI for adding rectangular and elliptical nodes. - **Nodes**: Rectangular (`NgvRectNode`) and elliptical (`NgvEllipseNode`) nodes with input/output ports. - **Edges**: Lines connecting nodes (`NgvEdge`). - **Undo/Redo**: Implemented via commands (`NgvAddNodeCommand`, `NgvAddEdgeCommand`, `NgvMoveNodeCommand`). 2. **Basic Unit Tests**: - Tests for node/edge creation, movement, and undo/redo are already implemented in ``. - Coverage includes basic scenarios like adding nodes, moving them, and creating edges. --- ### **What Needs to Be Done**: The goal is to **enhance the system** by: 1. **Ensuring encapsulation**: Prevent external access to `_` or `__` attributes. 2. **Expanding unit tests**: Cover edge cases and ensure high

I'm on the lookout for a native En...Interviewer. In this role, you’ll conduct interviews, assess technical skills, and provide valuable insights into candidates’ programming abilities. Key Responsibilities: - Primarily assessing technical skills of candidates. - Conducting interviews and providing insights on candidates. Ideal Skills: - Deep knowledge and advanced understanding of JavaScript, Typescript, Python, React, Angular, Node, React Native and Restful API. - Some experience with AWS and Azure Cloud - Passion for technology and recruitment. - Exceptional technical evaluation skills. - Clear and effective communication abilities. If you're tech-savvy, have a knack for recruitment, and can evaluate candidates' programming capabilities effectively...

...ownership. Project Overview: Use Cases: 1. In-Game Transactions: Secure and transparent transactions for in-game assets. 2. Asset Ownership: Verifiable ownership of digital assets. 3. Player Rewards: Decentralized reward system for players. 4. Interoperability: Assets usable across multiple games. Key Problems: 1. Audits security risks on Casino game smart contract. 2. Fix issues relating web3 automation on the backend(Express) part. 3. Integrate token-to-nft exchange function. Tech Stack: Blockchain: Ethereum Smart Contracts: Solidity Frontend Integration: Web3.js Backend: Node.js, Database: MongoDB Frontend Framework: React.js Testing: Mocha, Chai Deployment: Docker, Kubernetes Version Control: Git, GitHub Requirements: Experience with Ethereum and Solidity. Proficiency...