Summary: A highly motivated Blockchain Engineer with a robust blend of theoretical knowledge and hands-on development expertise. With a proven track record in mastering and implementing cutting-edge technologies, I pride myself on ensuring client satisfaction and fostering long-term relationships. My experience spans across various blockchain platforms and back-end technologies, making me a versatile asset in the ever-evolving tech landscape. Education: KHARKIV POLYTECHNICAL INSTITUTE Master’s degree in Software Engineering SEP 2009 - JUN 2014 Doctor of Philosophy - PhD, Computer ScienceDoctor of Philosophy - PhD, Computer Science SEP 2019 - MAR 2024 Languages: Ukrainian: Native Speaker Russian: Native Speaker English: Upper-Intermediate Technical Proficiency: Blockchain Technologies: Ethereum, Solana, Solidity, Rust, Hadhat, NodeJS, Web3JS, VueJS, and more. Back-end Technologies: Firebase, Kafka, Go base, Confluent-kafka, Akka, Cassandra, and more. Database Management: PostgreSQL, MongoDB, MySQL, Redis. Tools & Platforms: Vs Code, IntelliJ IDEA, WebStorm, Atom, Jenkins, Docker, Git, SVN, Jira, Trello. Projects: ChromaWay: Blockchain technology company focused on relational blockchain architecture. Roci.fi: A DeFi primitive for permissionless under-collateralized lending on Ethereum. Highvibe Network: Blockchain-based ecosystem for immersive experiences and multidimensional learning. BigTaurus: Crypto and Forex training platform with Token BGT CLUB. Korporatio: Merging International Business Company (IBC) and Decentralized Autonomous Organisation (DAO) to form Smart Companies.

Proficient in web3/smart contract development on ethereum and polygon. Have worked with javascript,typescript, react, redux, node,express,mongodb, Tailwindcss,Mantine, Solidity,Web3js, Etherjs, Wagmi, Rainbowkit,Hardhat,Chainlink,Foundry. Strong proficiency in gas optimization. I've built a nft renting protocol, which won pool prize in Lumos Lab hackathon. I also participated in ETHForALL hackathon, where i made Trustmarket(data marketplace in fevm). I also made a web3 job board call pepejoboard. I've built dex called araswap, v2 contract(araswapv2). I built a evm execution context in C++. I've built Bundleswap which aggregates token swap request to reduce transaction cost while swapping on a dex. I'm also actively researching in Defi, L2, Zk technologies.

With over 7 years of experience in developing websites and mobile applications across different platforms, I am the best candidate to realise your next big idea. My developer skills and experience include but not limited to: * React js and Vue js * Codeigniter / Laravel * React Native Android/IOS * Blockchain I have consulted with numerous clients from all over the globe providing them with full stack development services and successfully helping them in their start-ups, along with proper branding solutions. As a highly professional developer, I always value my customers and their businesses and provide them with the best solutions to achieve their needs and requirements. I am highly proficient and efficient in my craft and always aim to deliver my client's projects on time or at times even ahead of schedule. I value credibility, integrity and trustworthiness in dealing with my clients and

I am a Business Administration graduate with strong expertise in administration, procurement, and project management. Experienced in conducting monitoring and inspections, compiling and presenting data-driven reports, and managing end-to-end procurement processes in compliance with corporate policies. Skilled in handling large-scale operations, event organizing, and customer service with proven ability to improve efficiency, ensure accuracy, and support decisionmaking. Recognized for adaptability, analytical thinking, and teamwork, with a strong dedication to continuous learning and professional growth.

Solidity developer focused on DeFi protocol engineering and smart contract security on EVM chains. I've built lending protocols from the ground up — collateral management, liquidation engines, interest rate models, oracle integration — and I treat security as part of the development process, not an afterthought. Every contract I deliver comes with comprehensive Foundry test suites including fuzz and invariant testing. My work includes: → Cross-chain rebase token vault with Chainlink CCIP (live on Sepolia + Arbitrum Sepolia) → USDC/EURC lending protocol with dual-mode collateral and kink rate model → Uniswap V2 core reimplementation with full AMM mechanics I also do security reviews — I've worked through competitive audits on Sherlock and Code4rena, identifying high and medium severity findings in lending protocols, DEXs, and ERC-4626 vaults. On the frontend side, I handle the Web3 integration layer — React + viem/wagmi for wallet connection, contract calls, and transaction lifecycle — so the contracts I write are deployment-ready, not just "works in Foundry." Stack: Solidity · Foundry · Slither · OpenZeppelin · Chainlink · viem/wagmi · React · Node.js UTC+8, responsive and deadline-driven.

I have been working since 2017 in the Blockchain market, since 2010 in IT. Ready to develop turnkey decentralized applications: - Smart contracts, blockchains and wallets; - DeFi protocols and GameFi; - NFT marketplaces and NFT collections; - Crypto exchanges and crypto exchangers; Blockchains: Ethereum, Binance Smart Chain, Polygon, Solana, Tron, Avalanche, Cosmos; Stack: Solidity, Rust, Truffle, React, Vue.js, Node.js, Laravel.

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’m Nawaz, a results-driven 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 & 𝗪𝗲𝗯𝟯 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with 6+ years of experience building secure, scalable, and future-ready decentralized solutions. I help startups, enterprises, and innovators transform blockchain ideas into production-grade platforms, covering everything from architecture and tokenomics to smart contracts, DApps, security, and deployment. My expertise spans DeFi, NFTs, token launches, enterprise blockchain, trading automation, on-chain data systems, and high-performance Web3 applications. 🔹What I Bring to the Table: ✓ End-to-End Blockchain Development — Architecture, smart contracts, backend, frontend, deployment & audits ✓ Smart Contracts (ERC-20, ERC-721, ERC-1155, SPL, BEP, TRC) — Secure, gas-optimized, audit-ready ✓ NFT Platforms & Marketplaces — Minting, metadata, IPFS, royalties, fractionalization ✓ DeFi Protocols — Lending/borrowing, staking, farming, liquidity pools, automated market making ✓ Crypto Wallet & Exchange Integrations — MetaMask, WalletConnect, Binance, Coinbase, custom wallets ✓ Web3 Integrations — Ethers.js, Web3.js, Moralis, The Graph, Chainlink, oracle feeds ✓ Token Launches (ICO, IDO, IEO, INO, STO) — Tokenomics, vesting, launchpad setup ✓ Trading & Arbitrage Bots — On-chain data reading, liquidity scanning, MEV-safe execution ✓ Performance Optimization — Gas optimization, caching, off-chain computation ✓ Security & Audit Readiness — Reentrancy protection, access control, fail-safes, unit testing 🔹Tech Stack Expertise: - Languages: Solidity, Rust, JavaScript, TypeScript, Python, Go - Smart Contract Tools: Hardhat, Truffle, OpenZeppelin, Remix - Web3 Tools: Ethers.js, Web3.js, Moralis, IPFS, The Graph, Chainlink - Frontend: React, Vue.js, Angular - Backend: Node.js, Express.js, Django - Blockchains: Ethereum, Polygon, BSC, Solana, Tron, Stellar, Algorand, Hyperledger - DevOps / Infra: Docker, GitHub Actions, AWS, Railway, Vercel, CI/CD pipelines - Databases: MongoDB, PostgreSQL, Redis 🔹Why Clients Hire Me ✓ 6+ Years of Real-World Blockchain Experience with proven product launches ✓ Multi-Chain Expertise to choose the best protocol for performance & cost ✓ Full-Stack Web3 Development — I build entire ecosystems, not just contracts ✓ Security-Driven Development with industry-grade audit standards ✓ Business & Technical Understanding — I translate ideas into viable products ✓ High Reliability — On-time delivery with clear, documented processes If you’re looking to build or scale your blockchain product, let’s connect and turn your vision into a powerful decentralized solution. I’d be happy to discuss your requirements and help you build something extraordinary.

I Build Secure, Scalable Web3 Products,from Smart Contracts to Full dApps If you're planning to launch a DeFi platform, NFT ecosystem, or token-based product, I help turn your idea into a production-ready Web3 application, not just code that works, but systems that scale and stay secure. With 7+ years in development and $100K+ delivered on Upwork, I’ve helped clients: ✔ Launch multi-chain dApps (Ethereum, BSC, Solana, Base) ✔ Build DeFi systems (staking, DEX, lending, yield farming) ✔ Develop NFT marketplaces & token launchpads ✔ Avoid critical smart contract vulnerabilities before mainnet 💡 𝐖𝐡𝐚𝐭 𝐈 𝐂𝐚𝐧 𝐃𝐨 𝐅𝐨𝐫 𝐘𝐨𝐮: -Smart Contract Development (Solidity, Rust, Move) -DeFi Platforms (staking, liquidity, lending protocols) -NFT Marketplaces & Token Ecosystems -Web3 App Development (React + Node + Web3 stack) -Wallet Integrations (MetaMask, WalletConnect) -Blockchain APIs & Infrastructure (Alchemy, Infura, The Graph) ⚙️ 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤: Solidity | Rust | Foundry | Hardhat | Truffle Ethers.js | Web3.js | React | Node.js | MongoDB Chainlink | IPFS | Moralis 🛡️ 𝐇𝐨𝐰 𝐈 𝐖𝐨𝐫𝐤: -Security-first approach (tested, audit-ready contracts) -Clean and scalable architecture (no patchwork builds) -Transparent communication (0–4 hr response time) 📩 𝐁𝐞𝐟𝐨𝐫𝐞 𝐖𝐞 𝐒𝐭𝐚𝐫𝐭: -Which blockchain are you targeting? (EVM / Solana / multi-chain) -What stage is your project? (idea / MVP / scaling) -Do you have tokenomics or contract logic ready? Let’s build something that users trust, not just something that deploys !!

Senior Blockchain Engineer with 8+ years of experience specializing in Blockchain, DeFi, Smart Contracts, NFTs, and Web3 technologies. Proven track record of designing and delivering secure, scalable, and high-performance decentralized applications and blockchain infrastructure. I design and build secure, scalable decentralized applications, smart contracts, DeFi protocols, NFT ecosystems, tokenization platforms, and blockchain infrastructure across EVM and non-EVM networks. My expertise spans the complete blockchain development lifecycle—from protocol architecture and smart contract development to auditing, backend services, deployment, and production support. Core Expertise: • Smart Contract Development (Solidity, Rust, Move) • DeFi Protocols (DEX, Staking, Yield Farming, Lending/Borrowing) • Token Development (ERC20, ERC721, ERC1155, ERC4626) • NFT Marketplaces and Launchpads • Layer 2 Solutions and Cross-Chain Integrations • Web3 Backend Development (Golang, Node.js, Python) • Smart Contract Auditing and Security Best Practices • Account Abstraction (ERC-4337) • DePIN and Real World Asset (RWA) Tokenization • AI-Powered Blockchain Applications • Agentic AI for On-Chain Automation • MCP and AI Agent Integrations for Web3 Blockchain Ecosystems: Ethereum, Base, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche, Solana, Sui, Aptos Technology Stack: Solidity, Rust, Golang, TypeScript, Node.js, Python, Foundry, Hardhat, OpenZeppelin, Ethers.js, Web3.js, The Graph, Docker, Kubernetes, AWS I focus on building production-grade blockchain solutions with security, scalability, and long-term maintainability in mind. Whether you need a DeFi protocol, NFT platform, token ecosystem, Web3 backend, smart contract audit, or AI-powered blockchain solution, I can help bring your vision to production. Keywords :- Blockchain, Web3, Ethereum, Solidity, EVM, Smart Contracts, ERC-20, ERC-721, ERC-1155, DeFi, DAO, DApp, NFT, Layer 2, Rollups, Optimistic Rollups, ZK-Rollups, Polygon, Arbitrum, Optimism, Base, Avalanche, BNB Chain, Hyperledger, Cosmos, Polkadot, Substrate, Solana, Rust, Go, Golang, Node.js, TypeScript, JavaScript, React, Next.js, Express.js, NestJS, Python, Django, FastAPI, GraphQL, REST API, WebSockets, gRPC, PostgreSQL, MySQL, MongoDB, Redis, Firebase, IPFS, Filecoin, Arweave, Chainlink, The Graph, Hardhat, Foundry, Truffle, Ganache, Remix IDE, Ethers.js, Web3.js, Viem, Wagmi, OpenZeppelin, MetaMask, WalletConnect, Multisig, Gnosis Safe, Account Abstraction, ERC-4337, MPC Wallet, Cryptography, SHA-256, SHA-3, Keccak-256, ECDSA, EdDSA, BLS Signatures, Zero-Knowledge Proofs, zkSNARKs, zkSTARKs, Merkle Tree, Merkle Proof, Consensus, Proof of Work, Proof of Stake, Delegated Proof of Stake, PBFT, Tendermint, Cosmos SDK, Chaincode, Oracle, Tokenomics, Staking, Yield Farming, Liquidity Pool, AMM, Uniswap, PancakeSwap, SushiSwap, Cross-Chain Bridge, Cross-Chain Messaging, MEV, Flash Loans, Gas Optimization, Smart Contract Auditing, Slither, Mythril, Echidna, Fuzz Testing, Unit Testing, CI/CD, Docker, Kubernetes, AWS, Azure, Google Cloud, Git, GitHub Actions, Jenkins, Terraform, Linux, Nginx, Apache Kafka, RabbitMQ, Microservices, Event-Driven Architecture, OAuth 2.0, JWT, OpenAI API, Anthropic Claude API, LangChain, LangGraph, CrewAI, AutoGen, MCP, AI Agents, AI Automation, RAG, Vector Database, Pinecone, Weaviate, Milvus, ChromaDB, Prompt Engineering, LLMOps, Workflow Automation, n8n, Make, Zapier, GoHighLevel, Selenium, Playwright, Puppeteer, TensorFlow, PyTorch, Hugging Face, Computer Vision, NLP, MLOps, DevOps, Backend Development, Full-Stack Development, API Integration, Webhooks, Serverless, Edge Computing