Hire the Best Bitcoin Developers
in India

I build fast, scalable, and high-performance web applications using React.js, Next.js, and Node.js, with a strong focus on full stack development. Specialized in SaaS platforms and AI-powered web applications. Hi, I’m Vatsal — a Full Stack Developer with 2+ years of experience helping startups and businesses turn ideas into modern, production-ready web applications. I focus on building clean, scalable systems that are optimized for performance, security, and long-term growth. I have hands-on experience developing SaaS products, AI-integrated applications, and full-stack platforms using modern technologies. Whether it’s building from scratch or improving an existing system, I ensure efficient architecture and smooth user experience. - Why Founders Choose Me: I help startups scale by building premium web applications with an AI-first approach. As a Full Stack Developer, I use Next.js, Tailwind CSS, and modern backend technologies to architect robust systems designed for growth, performance, and long-term ROI. What I Can Help You With: • Full Stack Web Development (Frontend + Backend) • React.js & Next.js Development (SSR, performance optimization) • Node.js & API Development (REST, GraphQL) • SaaS Application Development • AI Integration (OpenAI, automation, chatbots) • Database Design (MongoDB, PostgreSQL, Supabase) • Authentication & Security (JWT, OAuth) • Bug Fixing, Optimization & Scaling - Tech Stack: React.js, Next.js, JavaScript, TypeScript Node.js, Express.js, Nest.js MongoDB, PostgreSQL, Supabase Tailwind CSS, REST APIs, GraphQL AWS, Vercel, Docker I write clean, maintainable code and follow best practices to deliver reliable and scalable applications. My goal is not just to build features, but to create solutions that bring real value to your business. ✔ Clean & scalable architecture ✔ Fast, responsive, and SEO-friendly apps ✔ Clear communication & on-time delivery ✔ Long-term support and collaboration 📩 Ready to build your project? Send me a message or invite me — I respond quickly. 🔧 EXPERTISE: Full-Stack Development | Next.js | React | Supabase | Tailwind CSS | AI Integration | AI Implementation | PostgreSQL | API Design | SaaS | MVP Development | Scalable Architecture | UI/UX Design' ✅ Keywords: Full Stack Developer | Senior Full Stack Developer | SaaS Platform Developer | MERN Stack Developer | React.js Development | Next.js Development | Node.js Backend Development | TypeScript Applications | API Integration Specialist | Supabase Developer | PostgreSQL Developer | MongoDB Developer | JavaScript Expert | Dashboard & Admin Panel | Marketplace Developer | Internal Tools | Booking Systems | eCommerce Solutions | Performance Optimization | Ongoing Product Support

✉️ Press the "Invite" button at the top of my profile to discuss your project requirements, and let's work together to create innovative solutions tailored to your business needs! 👋 Welcome to My Upwork Profile! 👋 Being a passionate 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with a proven track record of delivering high-quality web and mobile applications. 𝐖𝐢𝐭𝐡 5+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 can help you with: 👉 Build and deploy blockchain applications Leverage my expertise in blockchain development to create secure, decentralized applications tailored to your specific requirements. Whether it's building a custom blockchain solution or integrating blockchain technology into your existing systems, I can guide you through the entire process. 👉Develop smart contracts Utilize my blockchain knowledge to design and deploy smart contracts that automate and enforce trust in your business processes. From NFT, cryptocurrency to decentralized finance protocols, I can assist you in creating robust and secure smart contracts. 👉 Implement DeFi solutions I can assist you in developing DeFi platforms, liquidity pools, yield farming mechanisms, and other cutting-edge financial solutions, helping you tap into the vast potential of the blockchain ecosystem. 👉 Provide blockchain consulting If you're unsure about the best approach to leverage blockchain technology for your business, I can offer expert guidance. From understanding different blockchain platforms to assessing the feasibility of your project, I can provide valuable insights to help you make informed decisions. 🛠 Tech Stack: - React, Next.js, Node.js - Solidity, Hardhat - TypeScript, JavaScript (ES - Latest) - Ethers.js, Web3.js, Wagmi - PostgreSQL, MongoDB - Node.js, Express, Nest.js ✉️ Press the "Invite" button at the top of my profile to discuss your project requirements, and let's work together to create innovative solutions tailored to your business needs! #FullStackDeveloper #PythonDeveloper #MERNStack #MEANStack #MobileAppDeveloper #WebDevelopment #ReactNative #Flask #NodeJS #MongoDB #ReactJS #AngularJS #iOSDevelopment #AndroidDevelopment #UIUXDesign #AgileDevelopment #GitHubPortfolio #RemoteDeveloper #TechSavvy #InnovativeSolutions #PHPDeveloper #LaravelFramework #SymfonyFramework #CodeIgniterFramework #WordPressDevelopment #BackendDevelopment #FrontendDevelopment #Docker #AWSDevelopment #AzureDevelopment #GoogleCloudDevelopment #ServerAdministration Blockchain Developer | Smart Contracts | Ethereum | Bitcoin | Decentralized Applications (dApps) | Solidity | Web3 | Cryptocurrency | Blockchain Integration | Distributed Ledger Technology (DLT) | Tokenization | Initial Coin Offering (ICO) | Non-Fungible Tokens (NFTs) | Decentralized Finance (DeFi) | Blockchain Security | Private Blockchain | Public Blockchain | Hyperledger | Blockchain Protocols | Consensus Algorithms | Proof of Work (PoW) | Proof of Stake (PoS) | Blockchain Explorer | Gas Fees | Wallet Integration | Peer-to-Peer Network | Crypto Trading | Blockchain API | Multi-signature Wallets | Decentralized Identity | Blockchain Analytics | Crypto Mining | Distributed Computing | Chainlink | Interoperability | Digital Asset Management | Smart Contract Auditing | Cross-Chain Solutions | Blockchain Scalability | DAO (Decentralized Autonomous Organization) | Blockchain Governance | Token Standards (ERC-20, ERC-721) | Ledger Management | Crypto Regulations | Blockchain Consulting | Blockchain Development Frameworks | Security Tokens | Cryptocurrency Exchanges | Decentralized Exchanges (DEX) | Staking | Liquidity Pools | Yield Farming | Blockchain Solutions | Blockchain Use Cases | Blockchain Implementation | Blockchain Training | Crypto Payment Gateways | Blockchain Wallets.

Hi, I’m Vivek Narula — a senior full-stack developer with 14+ years of experience building Shopify stores, WordPress websites, Laravel applications, custom PHP systems, APIs, and blockchain solutions for clients worldwide. I specialize in building scalable, reliable, and performance-driven web solutions that are designed for real business use — not just templates or quick demos. Primary Expertise: 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 • Store setup, customization & theme development • App integrations & API development • Checkout, cart & performance optimization • Migration, bug fixing & ongoing support 𝗣𝗛𝗣 & 𝗟𝗮𝗿𝗮𝘃𝗲𝗹 • Custom PHP applications & Laravel systems • Admin panels & backend development • REST APIs & third-party integrations • Database design (MySQL / MongoDB) 𝗪𝗼𝗿𝗱𝗣𝗿𝗲𝘀𝘀 • Business websites & WooCommerce stores • Custom themes, plugins & redesigns • Speed optimization & maintenance 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 • Smart contracts (Solidity) • Web3.js & DApp development • NFT & crypto-based platforms Why clients work with me: • 14+ years of proven experience • Clean, scalable, production-ready code • Clear communication & reliable delivery • Long-term support mindset If you need a developer who can take full ownership of your project and deliver stable, scalable results — I’m ready to help. Vivek Narula

Agentic AI developer and full-stack engineer specializing in Claude Code, MCP, React, Next.js, Node.js, and Web3. Top Rated Plus. 100% Job Success. Let's build your MVP in 7 days. I build full-stack web and mobile applications, agentic AI systems, and Web3 platforms that are production-ready from day one. If your codebase is a mess — AI-generated or otherwise — I'll fix it fast and build it right. If you need AI integrated into your product, custom Claude agents, or MCP servers connecting your systems, that's exactly what I do. If you need a DeFi platform, NFT marketplace, or smart contract shipped, I've done it across Ethereum, Polygon, and BSC. What I build: Agentic AI Systems — Claude Code, MCP servers, multi-agent workflows, AI integration into existing products and platforms. Full-Stack Web & Mobile — React, Next.js, Node.js, TypeScript, React Native. Clean architecture, real performance, zero shortcuts. Web3 & Blockchain — Smart contracts, DeFi platforms, NFT marketplaces, DEX systems, wallet integrations. Solidity, Ethers.js, Wagmi, OpenZeppelin. Stack: Claude Code · Anthropic API · MCP · React · Next.js · Node.js · TypeScript · React Native · Solidity · Ethers.js · Wagmi · PostgreSQL · MongoDB · AWS · Supabase

I am a Senior Software Engineer with 14+ years of experience in Full-Stack & Mobile Application Development (since 2012) and 9+ years of experience in Blockchain Development (since 2017). I specialize in Blockchain, AI Agent Systems, Full-Stack Web Applications, Mobile Apps, Cloud Infrastructure, and Enterprise Software Development. My focus is on building scalable, secure, and production-ready solutions that solve real business problems. AI & Agent Development * AI Agent Development * Multi-Agent Systems * Agent Workflow Design & Automation * LLM Integration (OpenAI, Anthropic, Gemini, Open Source Models) * RAG (Retrieval-Augmented Generation) * AI Chatbots & Assistants * MCP (Model Context Protocol) * Workflow Automation * Prompt Engineering * Vector Databases * AI-Powered SaaS Platforms Blockchain Expertise * Smart Contracts (Solidity) * DeFi Platforms * NFT Marketplaces * Token Development (ERC20, ERC721, ERC1155, BEP20) * Staking & Yield Farming * Wallet Integration * Cross-Chain Solutions * DEX & CEX Development * Private Blockchain Networks * Enterprise Blockchain Solutions Blockchain Networks * Bitcoin * Ethereum * BNB Smart Chain (BSC) * Polygon (MATIC) * Solana * Stellar * Ripple (XRP) * TRON * EOS * Tezos * Hyperledger Fabric * Corda * Nano * Waves Platform * Private Blockchains Backend Technologies * Node.js * TypeScript * NestJS * Go (Golang) * Python * PHP * REST APIs * GraphQL * Microservices Frontend Technologies * React * Angular * JavaScript * TypeScript * Redux * NextJs * Vue Mobile Development * Flutter * React Native * Android * iOS Programming Languages C++, C, Go, Python, TypeScript, JavaScript, Dart, PHP, Solidity, Shell/Bash. DeFi & Exchange Development * Binance APIs * Uniswap * PancakeSwap * Ethereum Gas Station Network (GSN) * Trading Bots * Liquidity Solutions * Centralized Exchanges (CEX) * Decentralized Exchanges (DEX) Cloud & DevOps * AWS * Google Cloud Platform (GCP) * Docker * Kubernetes * CI/CD * Distributed Systems Databases * PostgreSQL * MySQL * MongoDB * SQLite * Redis * Vector Databases Tools * GitHub * GitLab * Bitbucket I enjoy building long-term partnerships with startups, enterprises, and technology teams. Whether you need an AI-powered application, blockchain platform, mobile app, SaaS product, or scalable backend infrastructure, I can help deliver a high-quality solution from architecture to production deployment.

For the past four years, I’ve been deeply involved in cryptocurrency and Forex Trading, focusing on futures leverage trading and spot investments. During this time, I’ve managed portfolios, worked as a technical analyst in a firm,provided tailored consultations, coached individuals, and created in-depth technical analysis and research content for both individuals and businesses. My expertise comes from years of hands-on experience and a commitment to staying sharp in this ever-evolving space.I apply the risks to me and always try to learn and improve myself. I’m now looking forward to using this knowledge to help you reach your crypto investment or business goals. Let’s connect—feel free to share your job posting, and I’ll ensure you receive top-notch service and a smooth, rewarding experience.