As a Blockchain Engineer and Full Stack Developer, I build decentralized applications (dApps) using distributed ledger technology (DLT), spanning front-end and back-end development to ensure robust, scalable, and secure solutions. With skills in coding, cryptography, and diverse programming languages, I bring innovative decentralized solutions to life, constantly exploring the latest in blockchain. Front-End Development Expertise Creating intuitive, responsive interfaces that offer a seamless user experience in dApps. - Frameworks & Libraries: Proficient with ReactJS and Next.js, ensuring dynamic, maintainable UIs. - Tools & Technologies: Skilled in Web3.js and Ethers.js for blockchain-front-end interaction. - UI/UX Design: Building accessible, responsive, and visually appealing interfaces. - Wallet Integration: Experience integrating wallets like MetaMask and WalletConnect for Ethereum and EVM-compatible ecosystems. Back-End Development Expertise Architecting the infrastructure supporting dApps with a focus on data flow, security, and scalability. - APIs & Databases: Skilled in RESTful and GraphQL APIs for blockchain and client data exchange. - Languages: Strong back-end skills in Java, Python, and Node.js for blockchain server-side programming. - Security: Focus on secure coding, data integrity, and private key protection. - Scalability: Expertise in scaling backend systems for high-traffic applications. Smart Contract Development Skilled in Ethereum, EVM-compatible blockchains, and various non-EVM chains for secure and efficient smart contracts. Ethereum and EVM-Compatible Chains - Solidity: Expertise in Solidity for efficient, secure smart contract development. - Frameworks: Proficient with Hardhat, Truffle, and OpenZeppelin standards. - Contract Verification: Skilled in Etherscan for contract transparency. EVM Chains (Including Ethereum Layer 2s) - Ethereum: Extensive experience with ERC standards, optimization, and scaling. - Binance Smart Chain: Skilled in low-fee BSC for fast transactions, using PancakeSwap and BSCScan tools. - Polygon: Experience on Polygon for high-speed, low-cost scalable dApps. - Arbitrum/Optimism: Skilled in Layer 2 rollups for fast, efficient Ethereum-compatible dApps. - Avalanche/Fantom: Expertise in deploying responsive, high-throughput applications on Avalanche and Fantom. Non-EVM Chains - XRPL: Developed apps on the XRP Ledger for energy-efficient, low-cost cross-border payments and IOUs development for Ripples XRPL blockchain. . - SUI: Skilled in Move-based smart contracts on Sui, suitable for high-throughput applications. - TRON/TON: Experience with TRC-20 on TRON and contract languages Fift and FunC on TON. - Solana: Proficient in Rust and the Sealevel runtime for Solana’s parallel processing. - Bitcoin Core: Experienced with UTXO models, Taproot, and Bitcoin Script for secure transactions. Cardano Development - Proficient in Haskell and Plutus for innovative, secure smart contracts on Cardano. NFT and DApp Development Specializing in NFT and dApp platforms to create engaging and efficient user experiences. - NFT Standards: Proficient in ERC-721 and ERC-1155 standards on Ethereum and similar standards on TRON and Solana. - Marketplace Development: Skilled in creating NFT marketplaces with auction and trading functionalities. - Gaming & Metaverse: Developed NFT-based gaming and virtual worlds. - Cross-Chain Compatibility: Knowledge of cross-chain solutions for NFT interoperability. Additional Technical Skills - Cryptography: Strong foundation in cryptographic principles, including Merkle trees and zero-knowledge proofs. - Data Structures & Algorithms: Skilled in efficient algorithms for optimized blockchain solutions. - Distributed Systems: In-depth knowledge of DLT and consensus mechanisms for robust dApps. Soft Skills - Problem-Solving: Solution-oriented approach to overcoming challenges in dApp development. - Collaboration & Communication: Effective communicator with developers, stakeholders, and clients. - Continuous Learning: Passionate about staying current with blockchain advancements.

I'm a Blockchain Engineer with 3.5+ years building production smart contracts across Ethereum, Arbitrum, BNB Chain, and Solana, live systems, not just testnet demos. My contracts have processed 78,000+ on-chain transactions across gaming platforms and power active NFT ecosystems with staking, vesting, and in-game utility. Everything is verifiable on-chain. What I build: - DeFi protocols — DEXs, escrow systems, staking & vesting - NFT infrastructure — minting, rewards, on-chain utility - Cross-chain systems — Chainlink CCIP for multi-network asset movement - Gaming economies — payment contracts, presales, token distribution - Solana programs — Anchor-based launchpads, escrow settlement, RWA trading Let's talk about what you're building.

Hi I am Ram from Opris.Exchange We have deep technical knowledge and experience in Blockchain and Decentralized systems. We have been building, developing and contributing to the Blockchain ecosystem, especially Bitcoin, Ethereum & Dash. For over 8+ years, we've been developing blockchain & crypto based technology for startups and enterprises of all sizes. I have successfully completed Cryptocurrency exchange development projects with many features. We completed 1k+ projects We successfully completed many projects all over the world. We provide valuable services such as - Customizable user interface - Admin with a wide range of functions - High capacity matching engine - Trading API - Trading charts - Deep order book - P2P Swap - Centralized and Decentralized wallets - Liquidity - Price Ticker - Order matching engine - Multi lingual - Company Account Thanks and Regards M.Ram Senior Business Development Executive

I am a dedicated and passionate Full Stack Blockchain Developer hailing from the vibrant city of Jaipur, India. Blockchain Experts: DevOps | DApps | Crypto | Smart contract | Pancakeswap | Golang DAO | Arbitrage BOTS | Hyperledger Blockchain- Polygon Sidechain | Bridge Contract | Dextool | Trust wallet | Decentralized Exchange (DEX) | MLM | Bot | Blockchain Architecture | Ethereum | DeFi | Web3 | Smart Contract | Centralized Exchange (CEX) | P2P | Web3 | Crypto Trading BOT | Web3 | DApps | Smart Contract | Solidity | Blockchain, NFT & Cryptocurrency | Crypto Exchange Platform | Crypto Wallet Development | Crypto Wallet | Crypto Exchange | Crypto Token | Native App | Hybrid App Crypto | dApps | Smart contract | Aave Protocol | Mobile & Web Apps | Native App | Hybrid App Crypto | Crypto Coin | Crypto Trading BOT | Web3 | Decentralized Exchange (DEX) | Centralized Exchange (CEX) | P2P | Quorum | Goose DeFi | AI | IoT | DevOps Some of the Blockchain services: ✔ Dynamic NFT Minting, Auctions, NFT Staking, NFT Swap and Marketplaces. ✔ Smart Contract Development. ✔ Smart contract Auditing service. ✔ Crypto Exchange Decentralized Clone- Pancakeswap | Uniswap | Sushiswap: ETH | BSC | MATIC | AVALANCHE | POLYGON Whitepaper | Lightpaper Launchpad (IDO | ICO | IEO) ETH | BSC | MATIC | AVALANCHE | POLYGON ✔ Staking Platform LP Staking (Farms): Token Staking | NFT Staking | Vesting | Fixed APY | Multiple Locking Periods | Dynamic Penalties | Rewards in Multiple Tokens ✔ Cross Chain Bridge dApp ✔ Lending/ Borrowing Protocol/Yield Farming ✔ Private Blockchain Setup on Hyperledger ➳ MERN Stack developer with expertise in MongoDB, Express, React, and Node for web application development. ➳ Front-end skills: JavaScript (ES5/ES6, Babel), HTML5, CSS3 with SCSS, ReactJS (Gatsby/NextJS), Redux, React Suite, Material UI, Bootstrap, Jest, TDD, enzyme, AWS, Firebase, Object-Oriented UI/UX Design, AXIOS, AJAX, Webpack, NPM, Yarn. ➳ Back-end skills: Nodejs, Express, Socket.io, JavaScript, MongoDB, SQL, AWS, Firebase. Please, share your available time slot for the discussion. This will allow me to understand your thought process and how you might have envisioned taking this further. Look forward to working with you!

A full stack web developer who specializes on stacks like GOLANG, Node.js, Reactjs & Redux, Vue.js and PHP. I am also Blockchain enthusiast and have worked on both Ethereum and Bitcoin blockchain networks for developing smart contracts, crypto trades web apps and services.

I am a Data Analyst, Crypto and a Blockchain Enthusiast, with key interest in crypto analysis, digital assets, Data analysis and research. I also write content on cryptocurrencies and quite knowledgeable on Power Bi, Excel and Smartsheet management. I am also a Certified Public Accountant and provide accounting services, audit services, tax services and reports` preparation and filings. I have extensive experince with QuickBooks and other accounting softwares. Additionally, I love playing games and testing games before they are released to the public. I endeavor to provide high quality work for my clients. I am fast and reliable. Working with me will be greatly beneficial to your business. Contact me and lets work together!

I do more than execute predefined tasks. I help clients clarify requirements, improve product decisions, select the right architecture and reduce technical risks before development becomes expensive. I help businesses and product teams design, build and scale reliable AI and SaaS products. With $400K+ earned across 158 Upwork projects, I bring the combined perspective of a solution architect, product consultant and hands-on developer. My focus is building scalable and maintainable products that solve real business problems and can evolve as the company grows. 🔷 WHAT I CAN HELP YOU BUILD 🤖 AI Products and AI Agents ✅ AI agents and multi-step agentic workflows ✅ AI-powered customer support platforms ✅ RAG and knowledge-base applications ✅ AI systems connected to live business databases ✅ Document processing and intelligent search ✅ LLM integrations using OpenAI, Anthropic and other models ✅ AI-powered business process automation 💻 SaaS and Business Platforms ✅ Multi-tenant SaaS applications ✅ Membership and association platforms ✅ Customer, partner and administrator portals ✅ Subscription and payment systems ✅ Recruitment and applicant-tracking platforms ✅ Marketplaces and operational management systems ✅ Role-based dashboards and reporting platforms 🏗️ Solution Architecture ✅ Product discovery and technical planning ✅ System, application and database architecture ✅ API and third-party integration strategy ✅ Cloud infrastructure and deployment planning ✅ Scalability and performance optimisation ✅ Legacy-system modernisation ✅ Security-conscious application architecture ✅ Technical due diligence and architecture reviews 📈 SELECTED PRODUCT OUTCOMES ✅ Designed and built AI chatbots and AI agents serving 50,000+ users ✅ Helped build and launch a product that ranked #3 Product of the Day on Product Hunt ✅ Led solution architecture and engineering for a SaaS platform generating $2M+ in monthly revenue ✅ Contributed to the development of a product later selected by Y Combinator ✅ Helped build a technology product that was later acquired by PandaDoc ✅ Successfully completed 158 Upwork projects with more than $400K in total earnings ✅ All of these engagements began through Upwork 🧩 CORE TECHNOLOGY EXPERTISE 🤖 AI: LLM integrations, RAG, AI agents, vector databases, prompt workflows and intelligent automation 🖥️ Frontend: React.js, Next.js, Vue.js, React Native and TypeScript ⚙️ Backend: Python, Node.js, PHP and Laravel 🗄️ Databases: PostgreSQL, MySQL, MongoDB and vector databases ☁️ Cloud: AWS, Microsoft Azure, Digital Ocean and Google Cloud Platform 🔄 Automation: n8n, Zapier, Make and custom API-based workflows 🔗 Integrations: CRMs, payment gateways, authentication providers, communication platforms and third-party business systems 🤝 WHY CLIENTS WORK WITH ME ✅ I contribute ideas instead of blindly following specifications ✅ I combine product thinking with hands-on technical expertise ✅ I explain complex technical decisions in clear business language ✅ I take ownership of architecture, development and delivery outcomes ✅ I identify unnecessary complexity and recommend practical alternatives ✅ I communicate risks, dependencies and trade-offs transparently ✅ I work closely with clients as an extension of their product and engineering function ✅ I support the complete journey from discovery and architecture to development, launch and optimisation Whether you are building a new AI product, modernising an existing SaaS platform or automating a complex business workflow, I can help you define the right solution and take it from initial architecture to production.

⭐⭐⭐⭐⭐ 𝗘𝗵𝘁𝗮𝘀𝗵𝗮𝗺 𝗶𝘀 𝗼𝗻𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗯𝗲𝘀𝘁 𝗽𝗲𝗼𝗽𝗹𝗲 𝗜 𝗵𝗮𝘃𝗲 𝘄𝗼𝗿𝗸𝗲𝗱 𝘄𝗶𝘁𝗵 𝗼𝗻 𝘁𝗵𝗶𝘀 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺. We had very custom, very complex needs for a crypto trading execution system, and Ehtasham went above and beyond to make sure we had a first-rate product to use. I intend to work with him again! 🚀𝗦𝗲𝗻𝗶𝗼𝗿 𝗦𝗼𝗹𝗮𝗻𝗮 & 𝗘𝗩𝗠 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 𝗥𝘂𝘀𝘁 & 𝗦𝗼𝗹𝗶𝗱𝗶𝘁𝘆 𝗦𝗺𝗮𝗿𝘁 𝗖𝗼𝗻𝘁𝗿𝗮𝗰𝘁 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 | 𝗗𝗲𝗙𝗶, 𝗥𝗮𝘆𝗱𝗶𝘂𝗺 & 𝗣𝘂𝗺𝗽𝗙𝘂𝗻 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁 I'm a blockchain developer with hands-on delivery across EVM chains (Ethereum, BSC, Polygon, Base) and Solana, with 794+ hours logged on Upwork and a 100% Job Success Score. I write smart contracts in Solidity and Rust, build Web3 frontends (React + ethers.js / web3.js), and handle end-to-end token launches, staking systems, and NFT minting platforms. 🛠 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 🔹 Solana Development (Rust / Anchor) SPL tokens, tokenomics, minting programs Anchor framework: PDAs, CPI, upgradeable programs DeFi protocols: AMMs, lending, flash loans, staking, governance High-performance bots & automation on Solana 🔹 𝗘𝗩𝗠 & 𝗦𝗼𝗹𝗶𝗱𝗶𝘁𝘆 𝗦𝗺𝗮𝗿𝘁 𝗖𝗼𝗻𝘁𝗿𝗮𝗰𝘁𝘀 ERC-20, ERC-721, ERC-1155 tokens (fungible, NFT, multi-token) DeFi contracts: DEXs, liquidity pools, staking, yield farming Governance modules, DAO frameworks, cross-chain bridges Security-focused coding: reentrancy protection, gas optimization 🔹 𝗕𝗼𝘁𝘀 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 Arbitrage & MEV bots (low latency, optimized for speed) Volume bots, liquidity management, automated market-making Custom trading scripts for Solana & EVM ecosystems 🔹𝗘𝗰𝗼𝘀𝘆𝘀𝘁𝗲𝗺 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 Solana: Raydium, PumpFun, Jupiter, Serum, Orca EVM: Uniswap, PancakeSwap, SushiSwap, Curve, Aave, Compound Swap routing, cross-protocol automation, liquidity optimization 🔹𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 & 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 Compute unit & parallelism optimization for Solana Gas efficiency & cost reduction for Solidity contracts Benchmarking, stress testing & profiling for high-load systems 🔹 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 & 𝗗𝗲𝘃𝗢𝗽𝘀 Validator & RPC node setup/maintenance Docker, Kubernetes, CI/CD pipelines for blockchain apps Monitoring & observability with Prometheus, Grafana 🔹 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀 & 𝗗𝗲𝗰𝗲𝗻𝘁𝗿𝗮𝗹𝗶𝘇𝗲𝗱 𝗦𝘁𝗼𝗿𝗮𝗴𝗲 PostgreSQL, MongoDB, Redis IPFS, Arweave — for decentralized & permanent storage ✅ 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 ✔ Deep dual expertise: Rust (Solana) + Solidity (EVM) ✔ End-to-end blockchain solutions (DeFi, NFTs, bots, cross-chain apps) ✔ Strong focus on security, performance & scalability ✔ Clean, well-documented, and maintainable code ✔ Transparent communication & milestone-based delivery. 𝗛𝗼𝘄 𝗱𝗼 𝘄𝗲 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗲 𝗮𝗻𝗱 𝗿𝗲𝗽𝗼𝗿𝘁? We always prefer to keep our work transparent, and for this reason, we like to be in touch with our valued clients on a daily, weekly & monthly basis. ✅ Upwork Message Board ✅ JIRA ✅ Azure DevOps Server ✅ Asana ✅ Trello ✅ Zoho Projects 𝗢𝗿 𝗪𝗵𝗮𝘁𝗲𝘃𝗲𝗿 𝗖𝗵𝗮𝗻𝗻𝗲𝗹 𝗬𝗼𝘂 𝗪𝗮𝗻𝘁. 𝐋𝐞𝐭'𝐬 𝐜𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐞 𝐟𝐨𝐫 𝐲𝐨𝐮𝐫 𝐛𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 𝐧𝐞𝐞𝐝𝐬! ----------------------------------------------------------------------------------------------------------------- #JavaScript, #ReactJS, #NodeJS, #ECMAScript, #WebAssembly, #C++, #Rust, #Solidity, #Erlang, #Dart, #Golang for programming, coupled with #GraphQL, #PostgreSQL, #LevelDB, #RocksDB for databases, and #PlayCanvas, #WebXR for immersive experiences. Proficient in #BlockchainProtocols, #SmartContracts, #CEX, #DEX, #DeFi, #NFTs, #GameFi, while leveraging #AWS, #Serverless, #Docker, #Kubernetes, #Monitoring tools like #Sentry, #Datadog, and #DevOps practices. Expertise spans numerous blockchain ecosystems including #Bitcoin, #Ethereum, #BinanceSmartChain, #Cardano, #Avalanche, #Solana, #Rust #Polkadot, # Polygon, #All EVM EVM-based blockchains among others, and development tools like #OpenZeppelinTruffle, #Web3js, #Infura for seamless blockchain application deployment and management." EVM blockchains ( Ethereum, Polygon and Binance) EVM blockchains ( Ethereum, Polygon and Binance ), pump.fun.

⭐⭐⭐⭐⭐ — TOP RATED PLUS | 150+ Projects | 100% Job Success | 10+ Years on Upwork 🎯Share your web app, eCommerce, or SaaS idea—I’ll architect and build a scalable solution tailored to your goals. "It was excellent working with Uday." — Shaun, CEO @ SCS Group of Companies With 10+ 𝐲𝐞𝐚𝐫𝐬 of experience in Full Stack Development, I design and build AI-powered digital products that merge modern engineering with intelligent automation. My work combines robust backend systems, intuitive frontends, and Generative AI capabilities to help startups and enterprises launch faster, scale smarter, and innovate confidently. I help businesses embed AI-driven intelligence into web and mobile applications — from smart chatbots, automated customer 360 agents, and recommendation systems to end-to-end SaaS products powered by GenAI & ML. 💡 Core Expertise ✅ 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 - React.js, Next.js, Vue.js, Redux, jQuery - Tailwind CSS, Bootstrap, Material UI - HTML5, CSS3, JavaScript (ES6+), TypeScript ✅ Gen AI & Machine Learning 🤖 Generative AI (GenAI) — ChatGPT, LLM Fine-tuning, LangChain, RAG Pipelines, Vector DBs 🧩 Agentic AI Systems — Multi-Agent Frameworks, Task Orchestration, Autonomous Workflows 🧠 Machine Learning & Predictive Intelligence — Python, Scikit-learn, TensorFlow, Expert.ai ☁️ Cloud & DevOps — AWS, Docker, CI/CD, Cloud Integrations ✅ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 - Laravel PHP, Node.js, Express.js - REST & GraphQL APIs, WebSockets ✅ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 & 𝐂𝐥𝐨𝐮𝐝 - MySQL, PostgreSQL, MongoDB - Firebase, AWS (Amplify, Lambda, S3, DynamoDB) ✅ 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 & 𝐀𝐏𝐈𝐬 - BLE & IoT: Bluetooth, NFC, QR scanning - AI & Automation: ChatGPT, Generative AI (OpenAI) - Payment Gateways: Stripe, PayPal, Apple Pay, Google Pay - Video & Messaging: Twilio, WebRTC, Jitsi Meet ✅ 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 & 𝐖𝐨𝐫𝐤𝐟𝐥𝐨𝐰 - Version Control: Git, GitHub, Bitbucket - Project Management: JIRA, Trello, Asana, Zoho - Agile Development & Scrum Methodology 🔹 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞? ✔ Expertise in full-cycle web & mobile development ✔ Strong problem-solving & debugging skills ✔ Prompt communication & transparent collaboration ✔ Scalable architecture & on-time delivery ✔ Future-ready AI integration If you’re looking for a Full Stack + GenAI Engineer who can transform your idea into an intelligent, production-ready solution — let’s build something extraordinary together. 💡 Let’s build something amazing together! 💡

Welcome to my Upwork profile! With over 13 years of experience in the IT industry, I have established myself as a seasoned professional who is committed to providing exceptional service to my clients. Starting my career as a Software developer, I have worked my way up to become the CTO and Tech lead of my firm. My passion for coding has kept me up-to-date with the latest technologies, making me an expert in development, devops & infra, IoT, and customized solutions. With my years of experience and expertise, I have helped numerous clients achieve their business objectives through tailor-made technology solutions. I am a problem-solver at heart, and I am dedicated to delivering results that exceed expectations. Working with me means you can expect nothing but excellence. My commitment to quality, timely delivery, and attention to detail sets me apart from the competition. So, if you are looking for a highly skilled professional who can provide you with customized IT solutions that meet your specific needs, look no further! Let's work together to bring your ideas to life. Thanks for taking time to read my profile.