Ravinder S.

Senior Blockchain Engineer with 8+ years of experience building secure, scalable, and production-grade blockchain, Web3, DeFi, and AI-powered applications. ### Expertise * Blockchain, Web3, EVM, Smart Contracts, DApps, DAOs * Solidity, Rust, Move, Go/Golang, TypeScript, JavaScript, Python * Ethereum, Base, Polygon, Arbitrum, Optimism, Avalanche, BNB Chain, Solana, Sui, Aptos, Cosmos, Polkadot, Hyperledger * ERC-20, ERC-721, ERC-1155, ERC-4626, ERC-4337 * DeFi, DEXs, Staking, Yield Farming, Lending, Borrowing, AMMs, Liquidity Pools, Flash Loans, MEV * NFTs, NFT Marketplaces, Launchpads, Tokenization, RWA, DePIN * Layer 2, Rollups, Optimistic Rollups, ZK-Rollups, Cross-Chain Bridges & Messaging * Smart Contract Security, Auditing, Gas Optimization, Slither, Mythril, Echidna, Fuzz Testing * Account Abstraction, MPC Wallets, Multisig, Gnosis Safe * Cryptography: SHA-256, SHA-3, Keccak-256, ECDSA, EdDSA, BLS, zkSNARKs, zkSTARKs, Merkle Trees * Consensus: PoW, PoS, DPoS, PBFT, Tendermint, Cosmos SDK, Substrate, Chaincode * OpenAI API, Claude API, AI Agents, Agentic AI, MCP, LangChain, LangGraph, CrewAI, AutoGen, RAG * Pinecone, Weaviate, Milvus, ChromaDB, Prompt Engineering, LLMOps * Node.js, React, Next.js, Express.js, NestJS, Django, FastAPI * GraphQL, REST APIs, WebSockets, gRPC, API Integration, Webhooks * PostgreSQL, MySQL, MongoDB, Redis, Firebase * IPFS, Filecoin, Arweave, Chainlink, The Graph * Hardhat, Foundry, Truffle, Ganache, Remix IDE, Ethers.js, Web3.js, Viem, Wagmi * Docker, Kubernetes, AWS, Azure, Google Cloud, Terraform, Jenkins, GitHub Actions * Kafka, RabbitMQ, Microservices, Event-Driven Architecture * n8n, Make, Zapier, GoHighLevel * Selenium, Playwright, Puppeteer * TensorFlow, PyTorch, Hugging Face, NLP, Computer Vision, MLOps * Backend Development, Full-Stack Development, DevOps, Serverless, Edge Computing I build DeFi platforms, NFT ecosystems, tokenization solutions, enterprise Web3 infrastructure, AI-powered decentralized applications, and production-ready blockchain systems.