Over the past 21+ years I have worked across early web systems, enterprise software, blockchain platforms, and AI. These days I spend most of my time helping founders and product teams figure out what they actually need to build, and then building it with them. I enjoy making complex technology feel straightforward. That is something clients come back for. I have spent 10+ years deep in blockchain and the last few fully focused on AI. I can connect those two worlds in ways most developers cannot. Clients tell me they appreciate that I do not just execute tasks. I ask questions, flag things that have not been considered yet, and keep the bigger picture in view throughout the project. ARTIFICIAL INTELLIGENCE AND GENERATIVE AI • AI Agents and Multi-Agent Systems using LangGraph, CrewAI, and AutoGen for task automation, research, and business process orchestration • RAG pipelines and enterprise knowledge platforms using Pinecone, Weaviate, Qdrant, and ChromaDB • LLM integration across OpenAI, Claude, Gemini, and open-source models into real business workflows • MCP, prompt engineering, context management, and agentic workflow architecture • AI-powered trading platforms with ML signal generation, backtesting, risk management, and live execution • NLP, sentiment analysis, OCR, document intelligence, and intelligent workflow automation • Computer Vision for object detection, video analytics, behavioral analysis, and real-time event detection • Model deployment, inference optimization, evaluation frameworks, and production AI infrastructure • Backend systems for AI using FastAPI, Flask, Django, GoLang, and Rust BLOCKCHAIN AND WEB3 • 10+ years across Ethereum, Solana, Polygon, BSC, Tron, Flow, Hyperledger Fabric, Stellar, TON, Bittensor, and Aptos • End-to-end Web3 platforms including DeFi protocols, NFT marketplaces, custodial and non-custodial wallets, DEXs, and dApps • Smart contracts in Solidity, Rust, and Cadence covering ERC-20, ERC-721, ERC-1155, security reviews, and audits • Token launches including ICO, IDO, and IEO ecosystems, tokenomics design, and exchange integrations • Whitepapers, governance models, and go-to-market strategy for public, private, and consortium networks • Layer 2 scaling, cross-chain bridges, and gas optimization • Full project lifecycle from architecture and security design through to production delivery PROJECT HIGHLIGHTS • Built a multi-agent RAG system for an enterprise client processing 1M+ internal documents, reducing research time by 70 percent • Delivered an LLM-powered support agent using OpenAI and LangGraph handling 10,000+ queries per month with over 90 percent deflection rate • Architected an AI algorithmic trading platform with ML signal generation and live multi-exchange execution • Built an automated crypto trading bot running across Binance, Bybit, and OKX with real-time risk management • Designed and deployed a DeFi lending protocol on Ethereum with 5M+ TVL including liquidation engine and governance • Delivered a supply chain traceability platform on Hyperledger Fabric tracking 500,000+ assets annually • Led end-to-end delivery of multiple NFT marketplace platforms with minting, auction, royalty, and secondary market features • Built a real-time Computer Vision productivity monitoring system deployed across 500+ workstations • Delivered an OCR and NLP document processing pipeline that reduced manual data entry by 85 percent for an insurance client INDUSTRIES SERVED FinTech and Trading | DeFi and Crypto | Enterprise SaaS | Healthcare and MedTech | Supply Chain | Real Estate | E-Commerce | Legal and Compliance | Media Platforms HOW I WORK • I ask a lot of questions upfront, not to slow things down, but because the right questions save weeks later • I am easy to talk to, even on technical topics. Non-technical founders tell me I make things click for them • You will always know where the project stands. I do not go quiet and reappear with a finished build • I have worked with clients across the US, Europe, the Middle East, and Asia. Async communication is second nature to me CORE TECH STACK AI and ML: Python, LangChain, LangGraph, CrewAI, AutoGen, OpenAI, Claude, Gemini, HuggingFace, Pinecone, Weaviate, Qdrant, ChromaDB, FastAPI, Flask, Django Blockchain: Solidity, Rust, Cadence, Web3.js, Ethers.js, Hardhat, Foundry, Anchor, Truffle Backend and Infrastructure: GoLang, Node.js, .NET, Docker, Kubernetes, AWS, GCP, Azure Frontend: React, Next.js, TypeScript If you are not sure exactly what you need yet, that is fine. That is usually where the best conversations start. Send me a message and we will figure it out together.

I help startups and businesses build secure Web3 products including smart contracts, DApps, NFT platforms, token systems, and wallet integrations. I have completed 3 Upwork jobs with $1k+ earnings and experience in blockchain development, smart contracts, DeFi, NFTs, and DApp development. Hello there! I'm a skilled Senior Blockchain Developer with a strong focus on building decentralized, secure, and scalable blockchain-based solutions. My expertise spans a wide range of skills, including: 🔹 Blockchain Development Crafting secure, efficient smart contracts and backend solutions for decentralized applications (DApps) and blockchain frameworks. 🔹 Smart Contract Development Building and deploying secure smart contracts on Ethereum, Binance Smart Chain, Solana, and other blockchain networks to automate and secure transactions. 🔹 Decentralized Applications (DApps) Developing front-end and back-end blockchain applications while ensuring a smooth user experience and maintaining decentralization. 🔹 DeFi & Token Development Creating ERC-20, ERC-721, ERC-1155 tokens, staking systems, tokenomics implementations, and DeFi solutions. 🔹 NFT Solutions Building NFT minting platforms, NFT marketplaces, collections, and smart contract integrations. 🔹 Wallet Integration Integrating MetaMask, WalletConnect, and other Web3 wallets into decentralized applications. 🔹 QA & Security Auditing Ensuring the highest security standards through thorough testing, code reviews, and smart contract auditing. 🔹 System Deployment & DevOps Optimizing and automating blockchain deployments while ensuring scalability, reliability, and continuous operations. Why work with me? ✔ Secure & scalable blockchain solutions ✔ Clean and maintainable code ✔ Strong communication and timely delivery ✔ Experience working with startups and growing businesses ✔ Focus on long-term client relationships Let's discuss your blockchain or Web3 project and turn your idea into a reliable, production-ready solution.

A Full Stack AI Developer who builds production-ready, AI-powered web applications that hold up under real-world use. My work sits at the intersection of Full Stack Developer and AI Developer, pairing modern LLM features with clean React frontends and reliable Node.js & Python backends, so you get one engineer who can own a product end-to-end instead of splitting it across a separate React developer, backend developer, and AI specialist. As an AI Developer, I help founders and teams add intelligence to their products that actually works in production not throwaway demos. I build LLM-powered features, RAG chatbots, AI Automations using tools like N8N, Zapier, Make and Claude and AI agents using the OpenAI and Claude APIs, LangChain, and Custom GPT integrations, with a focus on systems that are reliable, observable, and cost-controlled. Recently I designed and shipped AI automation and Custom GPT workflows that streamlined real business operations, and I supervised the launch of a B2B SaaS AI platform through architecture and code review work my clients rated 5 stars. As a Full Stack Developer, I take ownership of the whole system. My frontend work is React and Next.js with TypeScript and Tailwind CSS; my backend work is Node.js, Express, NestJS and Python, exposing clean REST and GraphQL APIs. This end-to-end ownership is why clients bring me in as a Full Stack AI Developer rather than coordinating three roles. I keep the architecture coherent from database to UI, and I make sure AI features integrate cleanly into the product instead of sitting bolted on the side. A large part of my work involves turning an idea or a rough prototype into a stable, scalable platform: multi-role dashboards, admin panels, subscription and authentication systems, and the API layer that ties LLM and AI agent features into the product. I've built SaaS platforms serving thousands of users and shipped crypto wallets that handle real transactions, so I'm comfortable with the parts of a product where data integrity, security, and performance genuinely matter. 𝐖𝐡𝐞𝐫𝐞 𝐈 𝐚𝐝𝐝 𝐭𝐡𝐞 𝐦𝐨𝐬𝐭 𝐯𝐚𝐥𝐮𝐞: 𝐀𝐈 𝐟𝐞𝐚𝐭𝐮𝐫𝐞𝐬 𝐭𝐡𝐚𝐭 𝐰𝐨𝐫𝐤 𝐢𝐧 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧: LLM integrations, RAG chatbots, AI agents, Automation and Custom GPT / OpenAI / Claude API workflows built into real products 𝐒𝐚𝐚𝐒 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 𝐟𝐫𝐨𝐦 𝐌𝐕𝐏 𝐭𝐨 𝐬𝐜𝐚𝐥𝐞: dashboards, multi-role access, subscriptions, and clean architecture designed to grow 𝐅𝐮𝐥𝐥-𝐬𝐭𝐚𝐜𝐤 𝐰𝐞𝐛 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: React / Next.js frontends with Node.js & Python backends, REST & GraphQL APIs, and third-party integrations 𝐀𝐈-𝐝𝐫𝐢𝐯𝐞𝐧 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧: connecting LLMs, APIs, and business logic to remove manual work and speed up operations 𝐌𝐲 𝐜𝐨𝐫𝐞 𝐬𝐭𝐚𝐜𝐤: Frontend: React, Next.js, TypeScript, Tailwind CSS Backend: Node.js, Python, Express, NestJS, GraphQL, REST AI: OpenAI API, Claude API, LangChain, LLM, RAG, AI Agents, Custom GPT Database: Supabase, PostgreSQL, MongoDB, Redis, Firebase, Pinecone Also available for select Web3 / smart-contract work (Solidity, Ethers.js) where it adds real value. 𝐇𝐨𝐰 𝐈 𝐰𝐨𝐫𝐤: I think like a product owner, not just a coder. Before writing code, I align on the business outcome who the user is, what they pay for, and where the product needs to be in six months. Then I ship in clear weekly milestones, communicate proactively, and stay available for fast turnaround. The result is a 100% Job Success score and clients who come back for their next build. If you're building an AI-powered product, a SaaS platform, or a full-stack web app and want a Full Stack AI Developer who can own it end-to-end, click 𝐈𝐧𝐯𝐢𝐭𝐞 or 𝐌𝐞𝐬𝐬𝐚𝐠𝐞 and send me the details. I respond within 24 hours.

Launching a blockchain product is more than deploying a smart contract. Whether you're creating a token, building a wallet, launching an NFT collection, or developing a Web3 platform, every component needs to be secure, scalable, and designed for long-term growth. Poor contract architecture, weak wallet integration, or overlooked security risks can lead to costly issues after launch. Building blockchain products that users can trust is what I do. I'm a senior blockchain and crypto developer with 9+ years of experience delivering production-ready solutions across Solana, Ethereum, BNB Chain, Polygon, Base, and other EVM ecosystems. I help startups, founders, and businesses transform blockchain ideas into secure, user-friendly products from smart contracts and token launches to NFT platforms, wallets, and complete decentralized applications. Over the years, I've contributed to blockchain platforms serving millions of users, processing high-value on-chain transactions, and supporting scalable Web3 ecosystems with security and reliability at their core. Some of the blockchain products I've worked on : Token Launch & Ecosystem Development – Built fungible tokens with advanced tokenomics, vesting mechanisms, staking, governance, liquidity integration, and treasury management, ensuring secure and efficient token launches across multiple blockchain networks. NFT Marketplace & Digital Assets Platform – Developed NFT minting platforms, marketplaces, royalty systems, metadata management, and compressed NFT solutions, enabling creators and businesses to launch scalable digital asset ecosystems. Multi-Chain Wallet & Web3 Applications – Engineered secure wallet integrations supporting transaction signing, token transfers, NFT management, staking, and seamless interaction with decentralized applications while delivering intuitive user experiences. My technical stack includes Rust, Solidity, Anchor Framework, Solana Program Library (SPL), Token-2022, Metaplex, Ethereum, Solana, Polygon, Base, BNB Chain, Ethers.js, Solana Web3.js, Web3.py, Node.js, TypeScript, React, Next.js, PostgreSQL, MongoDB, Docker, Kubernetes, AWS, GCP, REST APIs, GraphQL, CI/CD, and comprehensive testing across development and production environments. I believe great blockchain products combine strong engineering with clear communication. Every feature is built with security, maintainability, and performance in mind, backed by thorough testing and clean documentation. I keep clients informed throughout development, explain technical decisions in straightforward language, and deliver solutions that are ready for production not just demos. If you're planning a token launch, NFT platform, crypto wallet, Web3 application, DAO, staking platform, or any blockchain-based product, I'd be happy to discuss your vision. Share your idea or existing project, and I'll provide an honest assessment, recommend the right technical approach, and help you build a secure, scalable solution that lasts.

Senior Web3 Blockchain & AI Engineer I build at the intersection of decentralized systems and artificial intelligence where smart contracts meet machine learning, and on-chain infrastructure powers intelligent, autonomous applications. With deep expertise across blockchain development and AI engineering, I deliver production-ready solutions that are secure, scalable, and designed for the real world. What I Build Blockchain & Web3 Solidity smart contracts, DeFi protocols, NFT marketplaces, DAOs, token launches, staking systems, DEX integrations (Uniswap / PancakeSwap), cross-chain bridges, Layer-2 solutions, crypto payment systems, and full-stack dApps across Ethereum, BNB Chain, Polygon, and Arbitrum. AI Engineering LLM-powered applications, RAG pipelines, AI agents and autonomous workflows, fine-tuned models, natural language interfaces for Web3, AI-integrated smart contract monitoring, on-chain data intelligence, and predictive analytics for DeFi. AI × Web3 Convergence AI-driven trading and arbitrage bots, intelligent contract auditing assistants, on-chain anomaly detection, LLM-powered DAO governance tools, AI agents interacting with blockchain protocols, and real-world asset (RWA) platforms with embedded intelligence. Core Expertise:- Blockchain Solidity · ERC-20 / ERC-721 / ERC-1155 · Hardhat · Foundry · Wagmi · Viem · Web3.js · Ethers.js · Gas Optimization · Smart Contract Security · Token Vesting · Tokenomics · Wallet Integration · On-Chain & Off-Chain Architecture AI & Machine Learning LLMs (GPT-4, Claude, Gemini, open-source) · LangChain · LlamaIndex · RAG Systems · Vector Databases (Pinecone, Weaviate, Chroma) · Fine-Tuning · AI Agents · OpenAI API · Hugging Face · Prompt Engineering · Embeddings · Semantic Search Full Stack & Infrastructure TypeScript · Node.js · React · Next.js · Python · Rust · MongoDB · PostgreSQL · Docker · AWS · Firebase · CI/CD Pipelines · Blockchain Deployment Pipelines What I've Shipped ✔ Decentralized Applications (dApps) with AI-powered user interfaces ✔ DeFi Platforms with intelligent yield optimization and risk scoring ✔ NFT Ecosystems with AI-generated content and rarity analysis ✔ DAO Governance Systems with LLM-assisted proposal drafting and summarization ✔ AI Trading & Arbitrage Bots with real-time on-chain signal processing ✔ Token Presale & Launchpad Platforms ✔ Crypto Wallet Applications with smart transaction suggestions ✔ Real World Asset (RWA) Platforms with AI document verification ✔ Web3 SaaS Platforms with embedded AI assistants ✔ Blockchain Dashboards with NLP querying and predictive analytics ✔ Liquidity & Farming Systems with automated rebalancing logic ✔ Smart Contract Auditing Tools augmented by AI analysis Why Clients Choose Me Security-first — every contract and AI pipeline is built with attack surfaces and edge cases in mind. Clean architecture — maintainable code, clear separation of concerns, well-documented systems. AI × Web3 natively — not bolted on, but designed together from the ground up. Fast communication — transparent, async-friendly, timezone-aware. Long-term partner— I support what I ship, from testnet to mainnet to production at scale. Business-oriented — I understand your product goals, not just the technical spec. Startup to enterprise — I've worked across the full spectrum and know what each stage needs. I build blockchain products and AI systems that are reliable, efficient, and ready for real-world adoption and increasingly, I build them as one unified thing Let's connect and talk about your next project

🧙‍♂️ Have a look at my portfolio: tanzhixuan. com I’m Jimmy 👋 I’ve been coding since I was 15, with 9 years of real-world development experience. I’m a 🏆 42× World Hackathon Champion, with projects backed by AWS, Coinbase, Ethereum, and Polkadot, and $250K+ in grants and ecosystem funding. My focus areas include complex SaaS platforms, AI-augmented and multi-agent systems with advanced RAG pipelines, and Web3 products spanning infra, payments, DeFi, advanced NFTs, RWA tokenization, SocialFi, RealFi, and Web3 tooling integrated into existing Web2 stacks. I thrive in fast-moving remote teams, where I rapidly decompose complex problems, design practical architectures, and ship production-grade prototypes that take ideas to production with minimal friction. ⭐ Core Competencies: ✓ Programming Languages: JavaScript, TypeScript, Python, Solidity, Cadence, Move, Java, C, and MATLAB ✓ Web3 & Blockchain Platforms: Circle CCTP, Account Abstraction (AA) stack, Polkadot JS, QuickNode (Functions & Streams), Alchemy, Wagmi, Viem, Ethers, RainbowKit, ENS, Sign Protocol, World ID and Mini Kit, Chainlink (Functions & VRF), Pinata, and Storacha ✓ Frameworks & Libraries: React, Next.js, Tailwind CSS, Wagmi, Viem, Ethers, RainbowKit, and WordPress ✓ AI & Multi-Agent Systems: OpenAI, ChatGPT, Claude, DeepSeek, LangChain, ChromaDB, CrewAI, Cursor, GitHub Copilot, Stability AI, ElevenLabs, Fish STT, and RunwayML ✓ Cloud, Backend & Infrastructure: Firebase Realtime Database, Firebase Firestore, AWS EC2, AWS S3, Vercel, Redis, Git, and VS Code ✓ Design & Visualization: Figma, Adobe Photoshop, Adobe Premiere Pro, and PowerPoint with professional visual storytelling and advanced transitions ✓ Enterprise & Specialized Systems: Pinata × LangChain JS tool classes for IPFS upload, query, deletion, and group management; IPFS WordPress Plugin; Storacha integrations; Blend 3D Face Reconstruction Engine; HyperAgile tokenized warehouse robotic automation system; and Discuss AI, an agent-led discussion platform

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 built the system UN IFAD uses to track $300M+ in agricultural supply chain value. It won the 2024 World Future Award. Before that, blockchain infrastructure for the DHS Silicon Valley Innovation Program, and CasperSwap DEX, audited by Quantstamp and Halborn. ⚙️ 𝗔𝗜 𝗦𝗬𝗦𝗧𝗘𝗠𝗦 Most AI and blockchain projects fail at the seam between the two. One developer handles AI, another handles blockchain, and nobody owns where they connect. I own the full architecture. On the AI side, I build RAG pipelines, multi-agent systems using LangGraph and CrewAI, LLM orchestration layers, voice AI, and agentic workflow automation using n8n. I have shipped production systems with LangChain, pgvector, Pinecone, Weaviate, OpenAI, and Anthropic SDK. One of them is an AI-powered legal intake system running on WhatsApp via Meta Cloud API and Twilio Voice, built with Claude and Llama 3.3 70B, handling real client conversations at scale. I also build custom AI chatbots, conversational AI systems, AI calling agents, and AI-powered SaaS platforms for healthcare, legal, and enterprise clients, including EHR/EMR integration and appointment booking automation. 🔗 𝗕𝗟𝗢𝗖𝗞𝗖𝗛𝗔𝗜𝗡 𝗦𝗬𝗦𝗧𝗘𝗠𝗦 On the blockchain side, I write smart contracts in Solidity and Rust, deploy across Ethereum, Solana, XRP Ledger, and Casper, and build on Layer 2 networks and Hyperledger Fabric. I have delivered DeFi protocols, DAO governance frameworks, RWA tokenization platforms, NFT development, crypto wallet development, prediction market platforms, and MEV systems. I work with Foundry, Hardhat, Ethers.js, Wagmi, Slither, and The Graph. My smart contract work has been audited by Quantstamp and Halborn. 🛡️ 𝗖𝗢𝗠𝗣𝗟𝗜𝗔𝗡𝗖𝗘 & 𝗗𝗘𝗣𝗟𝗢𝗬𝗠𝗘𝗡𝗧 I also build AI agents and agentic workflow systems that replace manual business processes, API integrations, prompt engineering pipelines, semantic search, and vector database infrastructure. For teams that need on-premise LLM deployment, I use Ollama. For cloud, I deploy on AWS, GCP, and Azure with Docker and CI/CD pipelines. Frontend work is React, Next.js, and TypeScript with FastAPI and NestJS on the backend. Where I work best is at the intersection of AI automation and blockchain verification, inside compliance frameworks including HIPAA, SOC 2, GDPR, and ZATCA. If AI makes the decision, blockchain proves it happened. That is the kind of system regulated industries actually need. Before any engagement I do one scoping call. I will tell you exactly what to build, what not to build, and why. If blockchain or AI does not belong in your project, I will say so. Message me with two lines about your project. I will tell you within 24 hours whether I can help, and how. 🔑 𝗦𝗞𝗜𝗟𝗟𝗦 & 𝗧𝗘𝗖𝗛𝗡𝗢𝗟𝗢𝗚𝗜𝗘𝗦 Claude Code, Gemini, Python, Node.js, MCP, Supabase, GitHub Copilot, Cursor, Lovable, Agentic AI, AI Coding Workflow, LLM Integration, Business Process Automation, Telegram Bot Development, Vibe Coding, SaaS Development, Chatbot Development, Production Hardening, Deployment Pipeline, Prototype, AI Operating System, Machine Learning, Layer 2 Development, TON Blockchain, Smart Contract Audit, Blockchain Architect, Web3 Development, MEV Bot, Tokenomics, Testing, AI Full-Stack, AI Systems Architect, Automation Architect, Data Science, Product Engineer, TensorFlow, PyTorch, Scikit-Learn, Cloud Deployment, AI-Generated Code, CV, Real-Time Conversational Systems, Product Development, MVP, AI App Development, Top 1% AI Engineer, Automatic Speech Recognition, Smart Contract Engineer, ERC20, Asset Management System, Solidity Smart Contract Security, Prediction Based Market Platform, Crypto Sniping Bot, Uniswap V2/V3, PancakeSwap, Crypto DeFi Expert, Wallet Intelligence Monitoring, Advanced LMS, Tachograph Compliance Engine, Algorithm Development, Regulatory Compliance, Fractional AI Architect, Applied AI Engineer, Full-Stack SaaS Developer, AI Personal Operating System Developer, AI Solutions Architect, Healthcare SaaS Platform, Agentic AI Architect, Agent Enterprise Ecosystem, Pathwaize Intelligence, Complex System Rebuilt, AI Voice Automation, AI Infrastructure Engineer, LLMOps Engineer, Lead Cryptography & Systems Architect, Multi-Model Workflow, Behavior Analysis & Monitoring Expert, Secure HIPAA Compliant, OpenAI RAG Platform, AI Revenue Systems Builder, Healthcare AI Security Expert, Machine Learning Engineer, AI-Native Software Engineer, AI Pricing Bot Developer, Forward Deployed Engineer, Custom SaaS Platform Development, Vibe Coding Developer, AI Fuel Intelligence, Senior Product Owner/Manager, Startup GenAI SaaS, Healthcare AI Integration Engineer, AI Model Integration, Healthcare Appointment Booking Automation, Healthcare Systems, Solidity contract architecture

Web3 Developer | Smart Contracts | dApps | Crypto | Tokenomics | Bots I’m Donatas, a 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with expertise in 𝗯𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, 𝘀𝗺𝗮𝗿𝘁 𝗰𝗼𝗻𝘁𝗿𝗮𝗰𝘁𝘀, 𝗱𝗔𝗽𝗽𝘀, 𝘁𝗼𝗸𝗲𝗻𝗼𝗺𝗶𝗰𝘀, etc.. I help businesses and startups design, build, and scale their Web3 projects from idea to launch. 🔹 What I Do Best: ✅ ICO/IDO/IEO/IZO ✅ NFT as well as Crypto Minting ✅Exchange Development ✅Crypto Wallet Development ✅NFT Auction/Store/Minting/Marketplace/Design Development ✅Cross-chain Development ✅Pure Blockchain Development ✅Blockchain Gamification Development Apart from that. I am an also Expert at: | Android | iOS | Angular | MEAN Stack | Python | Laravel | Codeigniter | NodeJS | ExpressJS | MongoDB | React JS | Objective C | SWIFT | IONIC | Xamarin | React Native | WordPress | 🔹 Why Work With me? ✔ 𝗭𝗲𝗿𝗼 𝗥𝗶𝘀𝗸 𝗚𝘂𝗮𝗿𝗮𝗻𝘁𝗲𝗲 - If you don’t love working with me after 2 weeks, no matter how much work I’ve done, I’ll walk away - no payment required. ✔ 𝗙𝗿𝗲𝗲 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 - We will provide support for 2 months post contract for any questions for free ✔ Already proven results with actual names. My latest work: 🟢 Litas – All-in-one Web3 ecosystem: multi-chain CEX, wallet, tokenomics, and full-stack product design. 🟢 BotanixLabs – BTC-reward wallet platform with EVM & Bitcoin auth, fair games, NFT gating, and auto payouts. 🟢 Zuvu – Decentralized AI governance with staker voting, upgradeable ERC-20, and modular architecture. 🟢 Mothership Bots – Launchpad bot suite: escrow, token launch, airdrops, and treasury control across EVM & Solana. Let’s build the future of blockchain together! Reach out, and let’s discuss your project.

Hi, I’m Jay 👋 I’m a passionate Blockchain Developer specializing in Solidity and smart contract development. I build secure, scalable, and gas-optimized decentralized applications (dApps) on Ethereum, Polygon, and other EVM-compatible chains, with additional experience working on Solana-based projects. My expertise includes: • Smart Contract Development (ERC-20, ERC-721, ERC-1155, and custom tokens) • DAO & Governance Systems • DeFi Protocols, Crowdfunding & ICO Contracts • NFT Projects & Marketplaces • Wallet Integrations like (MetaMask, WalletConnect) • IPFS Integration for decentralized storage (metadata, media, documents) • Testing & Deployment to Testnets and Mainnets • Blockchain Integration with front-end & back-end systems What you can expect when working with me: ✅ Clean, well-structured, and production-ready code ✅ Gas-efficient and secure smart contracts ✅ Clear communication and timely delivery ✅ Tailored Web3 solutions built around your business goals Whether it’s launching a new token, building an NFT marketplace, or developing a complete DeFi protocol, I’m committed to delivering innovative and reliable blockchain solutions. Let’s connect and bring your Web3 vision to life 🚀