𝐌𝐨𝐬𝐭 𝐭𝐞𝐚𝐦𝐬 𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐚𝐭 𝐭𝐡𝐞 𝐛𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 𝐚𝐧𝐝 𝐀𝐈 𝐢𝐧𝐭𝐞𝐫𝐬𝐞𝐜𝐭𝐢𝐨𝐧 𝐠𝐞𝐭 𝐭𝐡𝐞 𝐚𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 𝐰𝐫𝐨𝐧𝐠 𝐨𝐧 𝐝𝐚𝐲 𝐨𝐧𝐞. 𝐈’𝐦 𝐭𝐡𝐞 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐭𝐡𝐞𝐲 𝐛𝐫𝐢𝐧𝐠 𝐢𝐧 𝐭𝐨 𝐠𝐞𝐭 𝐢𝐭 𝐫𝐢𝐠𝐡𝐭 𝐭𝐡𝐞 𝐟𝐢𝐫𝐬𝐭 𝐭𝐢𝐦𝐞. 4+ years shipping Solana and EVM systems to mainnet and leading the AI agents and LLM-powered systems that run alongside them. Top Rated on Upwork with 100% Job Success across 25+ contracts. Worked on a government-funded blockchain and AI agriculture platform, alongside building tokens with real market caps, AI-driven Telegram bots, and OCR + LLM pipelines that ship to production. Whether you need a smart contract, an AI agent, or a system that combines both, I deliver mainnet-ready code not prototypes. 𝗣𝗿𝗼𝘃𝗲𝗻 𝗥𝗲𝘀𝘂𝗹𝘁𝘀 ✅ Worked on a government-funded blockchain & AI-based agriculture traceability platform using Solana Architecture ✅ Built Web3 Rewards Website → token burn redemption platform deployed on a major Web3 audit platform (SIWE + wallet connect + promo distribution) ✅ Shipped Forge3 → Web3 escrow protocol that hit $200K market cap ✅ Built ClusterFck → Solana token analyzer ($158K market cap) with bundle detection and rug-pull risk scoring ✅ Delivered La Suite du Monde → DAO/NFT membership system for a campaign thats targetting €1M+ ✅ Built an AI-driven bot for cross-border blockchain remittances with multi-language LLM support ✅ Delivered an AI-powered OCR + audio digitization pipeline for a production book library system 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ◆ Solana / Anchor / Rust → modular program architecture, SPL tokens, PDAs, CPIs, Jupiter integrations, on-chain data systems ◆ Solidity → 20+ mainnet contract deployments. ERC-20, ERC-721, ERC-1155, staking, vesting, presale, custom DeFi logic. Hardhat, Foundry, OpenZeppelin. ◆ Full-Stack Web3 → Next.js + TypeScript + wagmi/viem + ConnectKit on the frontend. Node.js, Postgres, and Solana/EVM bridges on the backend. SIWE auth, wallet connect flows, production deployment pipelines. 𝗔𝗜 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 ◆ LLM Integration → OpenAI, Anthropic Claude, and Gemini APIs in production systems ◆ AI Agents & RAG → LangChain, multi-agent orchestration, vector databases, semantic search over domain documents ◆ Workflow Automation → n8n, Make, Telegram bots, AI-assisted alert and trading systems with retry/error handling ◆ AI + Web3 → on-chain AI integrations, intelligent token analyzers, AI-driven dApp features 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲 ✔ Top Rated with 100% Job Success across 25+ contracts ✔ Mainnet-shipped, production-tested code — not demos ✔ I run a small dev team — can scale up on bigger contracts without losing quality ✔ Honest architectural feedback before you spend an hour coding ✔ Senior-level decisions on architecture, security, and tokenomics from day one 𝗪𝗵𝗮𝘁 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗦𝗮𝘆 ⭐⭐⭐⭐⭐ “With over 25 years of professional experience, it’s genuinely rare to come across talent this professional, committed, and reliable. He is without question one of the best developers I’ve worked with.” ~ Erick F. If you’re building a smart contract, an AI agent, or a system that combines both send me an invite. Keywords : Blockchain Developer | Solana Developer | Solidity Developer | Smart Contract Developer | Smart Contract Audit | Anchor Framework | Rust Developer | Web3 Developer | dApp Development | DeFi Developer | NFT Marketplace | NFT Development | ERC-20 | ERC-721 | ERC-1155 | Token Development | Staking Contract | Vesting | Presale | DAO | DEX | AMM | SPL Token | Jupiter | PDA | CPI | Hardhat | Foundry | OpenZeppelin | Slither | Mythril | ethers.js | wagmi | viem | web3.js | ConnectKit | RainbowKit | SIWE | MetaMask | Phantom | WalletConnect | Next.js | React | TypeScript | Node.js | Postgres | MongoDB | Laravel | Python | Ethereum | BSC | Polygon | Arbitrum | Base | Optimism | Cross-Chain Bridge | Layer 2 | AI Engineer | AI Agent Development | LLM Integration | OpenAI API | Anthropic Claude | Gemini API | LangChain | LangGraph | RAG Pipeline | Vector Database | Semantic Search | Pinecone | Multi-Agent Systems | Agentic AI | Prompt Engineering | n8n | Make | Zapier | Workflow Automation | Telegram Bot | Discord Bot | Chatbot Development | OCR | Document Digitization | AI + Web3 | Tokenomics | Crypto Trading Bot | MEV | Mainnet Deployment | Top Rated Freelancer

As long as you are fine with my profile rate and have a reasonable timeline, I will take on any IT problem you may have, and I will keep digging until I find a solution one way or another. I have never given up on an Upwork job and I don't plan on starting. I can give discounts on my profile rate for steady work. I am an IT specialist with 5 years of experience managing the IT for local small businesses and solving whatever tech problems Upwork throws at me. I also operate my own small datacenter (pictures on my profile). I specialize in web server management, automation, and crypto mining, but I will gladly work on whatever IT problems you have.

Backed by 100% Job Success over 60 projects, 𝐈 𝐨𝐟𝐟𝐞𝐫 𝐅𝐑𝐄𝐄 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐜𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐚 𝐅𝐑𝐄𝐄 𝐪𝐮𝐢𝐜𝐤 𝐫𝐞𝐯𝐢𝐞𝐰 𝐨𝐟 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐣𝐞𝐜𝐭. AI Full stack Developer with 9+ years across Web3 & AI. I build production agents that automate real workflows including RAG, multi-agent systems, trading & onchain automation, blockchain onchain data, Fintech, DeFi, RWA, Payment gateway. 🤖 AI agent work (what I ship now): - Custom AI agents & copilots - LangGraph, LangChain, CrewAI, OpenAI & Claude APIs - RAG pipelines grounded in your data - vector DBs, evaluation suites, guardrails against hallucination - Multi-agent orchestration - planner/worker/reviewer patterns, tool use, memory - Workflow automation - n8n, Slack/Telegram/WhatsApp bots, CRM & API integrations - Trading & onchain agents - bots that read markets, execute strategies, and interact with smart contracts safely ⛓️ Web3 foundation (9+ years): - DeFi protocols - lending, staking, perp DEXs, cross-chain (LayerZero, Axelar) - Smart contracts - Solidity, Rust, Foundry, audit-ready code - Wallets & infra - ERC-4337 account abstraction, MPC wallets, rollups (OP Stack, zkSync) Selected projects: - Multi-agent AI platform serving live users - Decentralized perpetual exchange - AI trading agent with onchain execution and risk limits - Liquity fork with multi-collateral DeFi architecture - RAG support agent resolving 60% of tickets automatically How I work: fixed scope, clear milestones, daily updates, full code ownership on delivery. I'll always recommend the smallest build that gets you a working agent in production — not the biggest. 📩 Send me the workflow you want automated (or the protocol you want built) and I'll reply with a concrete approach within an hours or book a 30-min consultation directly from this profile.

Experienced Crypto Trader | Mentor | Portfolio Manager | Consultant With 5 years of experience in cryptocurrency trading, I bring extensive knowledge and expertise to help you navigate the dynamic world of crypto. Whether you're a beginner looking to learn the basics or an advanced trader seeking insights, I offer tailored services to meet your needs. Here's what I bring to the table: 1. Crypto Mentorship: I'll guide you through the fundamentals of cryptocurrency trading and help you advance to expert levels. 2. Portfolio Management: I can grow your crypto portfolio with time-tested strategies, earning a share of the profits only when you succeed. 3. Crypto Signals: Receive timely, reliable trading signals via Telegram or your preferred platform to maximize your gains. 4. Gem Coin Analysis: I'll help you discover undervalued coins with potential for early entry profits. 5. Telegram Channel Management: Let me manage your crypto or investment channel, ensuring engaging and informative content for your audience. 6. Crypto Consulting: From tax norms to market strategies, I provide expert advice on all things crypto. Partner with me for trustworthy and result-oriented crypto solutions tailored to your goals. Let’s grow and succeed together in the ever-evolving crypto space!

• I build smart contracts that go live on mainnet and handle real user funds. • Featured on Upwork's homepage among Top Rated Blockchain & NFT developers. • From designing smart contracts to complete Web3 dApps, I turn blockchain ideas into reality. Hi, I'm a Blockchain Developer and Web3 Engineer with a strong focus on security and scalability. My work includes building smart contracts on both Solana and EVM blockchains using Rust, Anchor, Solidity, Hardhat and TypeScript. I have worked extensively in the blockchain space, developing DeFi apps, NFT marketplaces, token launch platforms, automated tools, custom wallets, pricing modules and advanced Web3 projects that deliver real-world impact. My experience includes: • Solana Smart Contracts (Rust, Anchor). • Ethereum Smart Contracts (Solidity, Hardhat). • DEX, AMM, and DeFi Protocols. • Trading Bots and Automated Trading Infrastructure. • SPL Tokens, ERC-20 Tokens, NFTs, and Token Launches. • Blockchain APIs and Backend Systems. • Staking, Swapping, and Payment Solutions. If you're building on Solana, Ethereum, Base, BNB or Polygon, I can take your project from idea to deployment. My recent work includes: • Building a cross-chain interoperability protocol. • Created an SPL and ERC-20 token contract on both chains with advanced features. • Optimized a Solana trading bot's latency through performance tuning. • Reduced gas costs by 20% through smart contract optimization. If you're looking for a Blockchain Developer who values quality, security and clear communication, let's discuss your project and see how I can help. ································································································································································ Blockchain Developer, Smart Contract Developer, Solidity Developer, Rust Developer, Solana Developer, Ethereum Developer, EVM Developer, Web3 Developer, Full Stack Web3 Developer, DeFi Developer, dApp Developer, Trading Bot Developer, NFT Developer.

I am an Economist, Professional Trader and MiFID II certified Financial Advisor (Europe) and CFA Candidate with solid experience in financial planning, portfolio construction and risk management. I help individuals and small businesses structure their investments, understand their risk profile and make clear, data‑driven decisions about their wealth.​ Over the last 10+ years, I have invested my own capital and later worked as a professional trader for several Proprietary Trading Firms (FTMO, My Forex Funds, Traders Central, Fidelcrest, AudaCity Capital Management, FundYourFX), specializing in Forex, Gold and Cryptocurrencies. This hands-on market experience allows me to translate complex price action and volatility into practical recommendations for long‑term investors, not only short‑term traders.​ Beyond trade execution, I have strong experience in quantitative analysis and Excel financial modeling for investment funds. I build portfolio analysis tools, risk dashboards (Sharpe ratio, Sortino ratio, drawdown tracking) and performance reporting systems, combining real trading experience with financial modeling and statistics. This is especially useful if you need a custom Excel tool to monitor your portfolio, simulate scenarios or understand the true risk/return profile of your investments.​ I also act as the financial manager for a company dedicated to investing in and actively managing physical gold and other precious metals (silver, osmium, palladium, platinum, rhodium). This gives me practical insight into how to integrate physical assets and alternatives into a diversified portfolio.​ If you are looking for someone who can both design your investment plan and build the tools to monitor it, I can help you: Define your financial goals and risk profile Allocate your capital across different asset classes (ETFs, stocks, bonds, gold, crypto, etc.) Create or improve Excel dashboards to track performance and risk​ I can provide verified track records of my trading strategies and risk profile, as well as certificates from proprietary trading firms that endorse me as a consistent trader with strong risk management. This real‑market background supports my work as a financial advisor and gives you an additional layer of confidence in the advice you receive.

Web3 Developer | Smart Contracts · dApps · DeFi · NFTs · Crypto Bots Hi, I'm Youssef a Web3 developer who's been in the trenches building real blockchain products since the early days of DeFi. I don't just write smart contracts; I've launched full end-to-end crypto products DeFi apps, NFT platforms, token ecosystems, and crypto games and I understand both the technical and business side of what makes a Web3 project actually work. I've shipped production-grade dApps trusted by real users, and I bring that same execution energy to every client project I take on. What I Build ✅ Smart Contracts Solidity & Rust (DeFi, NFTs, DAOs, staking, vesting) ✅ dApp Development full-stack Web3 from contracts to UI ✅ ICO / IDO / IEO / IZO tokenomics design, launch strategy, contracts ✅ NFT Platforms minting, auctions, marketplaces, gating ✅ Crypto Bots & Automation Telegram bots, launchpad tools, airdrops ✅ Cross-Chain Development EVM, Solana, BTC-layer integrations ✅ Crypto Wallet & Exchange Development ✅ DeFi Protocols staking, lending, yield farming ✅ Front-End React, Next.js, Webflow, WordPress (Elementor Pro), Shopify ✅ SEO & Performance Optimization Why Work With Me ✔ Zero-risk start if you're not happy after 2 weeks, you owe me nothing, no matter how much work I've done. ✔ 2 months free support I stay available after launch for questions, fixes, and guidance. ✔ Audited-grade code written to the same standards used by leading smart contract auditors. ✔ 6+ years delivering Web3 products, not just writing code. ✔ Clean, scalable, secure pixel-perfect execution with long-term maintainability in mind. I'm straightforward to work with, honest about timelines, and focused on shipping something you're genuinely proud of. 📩 Send me a message let's talk about what you're building.

I build Telegram bots and AI agents for crypto, fintech, and Web3 companies. Top Rated, 100% Job Success, 30+ production systems serving 5,000+ daily active users. My specialty is bots and backends that handle real money safely. Recent Telegram work includes a P2P crypto trading module with escrow logic and payout safety checks, a Web3 bot processing USDT deposits and withdrawals that has run in production with zero downtime since launch, and an access control and anti-scam system delivered ahead of schedule with zero post-delivery issues. What I build: - Telegram bots and Mini Apps for crypto trading, P2P escrow engine, access control, moderation, and community automation - AI agents and chatbots with LLM integration, RAG pipelines, persistent memory, MCP server integration, and tool calling using OpenAI, Anthropic, LangChain, and CrewAI - Fintech-grade backends with wallet management, ledger logic, atomic transactions, audit trails, and real-time fraud detection - Backend APIs and microservices in Python (FastAPI, Django), Node.js, and Go, covering REST, WebSockets, and webhooks - Crypto exchange integrations, trading bots, and on-chain wallet event monitoring - Real-time systems using Redis pub/sub, event-driven architecture, and async task queues - Database architecture and optimization across PostgreSQL, MongoDB, and Redis for high-throughput workloads - Cloud deployment on AWS (EC2, Lambda, S3, RDS, API Gateway) and VPS with Docker and CI/CD How I work: Code that moves money gets the same care banks give it. Atomic operations, idempotent payouts, manual review paths for uncertain states, and automatic recovery for stuck transactions. Every system is tested under real conditions, documented clearly, and handed over in a state your team can maintain and scale. If you need a Telegram bot, AI agent, or backend where reliability is non-negotiable, send me a message here on Upwork. I typically respond within a few minutes.

Need a blockchain developer who's actually shipped production DeFi and tokenization systems, not just tutorials? I've deployed 15+ production smart contracts across Ethereum, Polygon, Arbitrum, and Base, with 99.9% uptime, 100% test coverage, and zero security incidents. My backend systems handle 500+ concurrent blockchain transactions through battle-tested message queuing and retry mechanisms. What I Build: Smart Contracts & DeFi - Staking systems with dynamic APR, vesting, and escrow - AMMs, orderbooks, and token distribution mechanisms - Real-world asset tokenization with fractional ownership and compliance layers - NFT ecosystems: marketplaces, minting factories, membership systems - Security-first: ReentrancyGuard, AccessControl, emergency withdrawals, audit-ready code Web3 Backend (Node.js / NestJS / TypeScript) - Blockchain integration layers: event listeners, transaction monitoring, multi-chain payment handlers - RESTful APIs with JWT auth, role-based access, rate limiting (50+ endpoint systems) - PostgreSQL/MongoDB with optimized schemas for on-chain + off-chain data - RabbitMQ async processing for reliable blockchain transaction pipelines - Real-time: WebSocket for live price feeds, leaderboards, notifications Recent Production Systems: - Web3 gaming platform: token, staking, tournaments, 500+ concurrent tx via RabbitMQ - Real-world asset tokenization: fractionalizer, orderbook, jurisdiction-based compliance - Crypto exchange backend: 150+ trading pairs, 10K+ requests/min, real-time price feeds - DeFi time-exchange protocol: escrow, dual-signature verification, liquidity pool integration Chains: Ethereum, Polygon, Arbitrum, Base, BSC Tools: Solidity, Hardhat, Foundry, Ethers.js, Viem, OpenZeppelin, IPFS 100% Job Success Score across completed contracts. Let's discuss your project, message me or book a consultation.

I build and scale web products in HealthTech, FinTech, Web3, EdTech, Automation & AI – leading both product and engineering with my senior dev team. 🏆 Upwork Top Rated Talent 2017–2025 | 🛡 Top Rated Plus 2020–2025 🥇 Expert-Vetted (Top 1%) | 💻 12+ years in IT | ✅ 90%+ jobs successfully completed 💰 Products I’ve contributed to have reached $30M+ in combined market cap and multiple projects crossing $10M+ each 🚀 What I (and my team) do best * SaaS from idea to launch MVPs and full products: multi-tenant dashboards, subscription billing, role-based access, analytics, admin panels. * HealthTech and medical platforms Patient portals, telemedicine, appointment systems, EHR-light tools, workflows and automation for clinics and digital health startups. * FinTech and Web3 products Payment flows, wallets, dashboards, financial automation, basic KYC/AML flows, integrations with third-party providers and Web3 rails. * Automation and internal tools Custom CRMs, back-office tools, workflow automation, reporting and BI dashboards. * AI-powered product features Assistants, content and data processing, recommendations, workflow co-pilots integrated into your SaaS. * Product rescue and refactoring Taking over half-finished or underperforming products, stabilizing them, and putting them on a clear roadmap. 👥 How I work with clients You get me as your technical and product lead, plus a handpicked team when needed: * Senior front-end and back-end engineers * DevOps and QA * UI/UX designer * Optional dedicated project manager and business analyst I can plug in as: 1. End-to-end product owner – from discovery to launch and ongoing iterations. 2. Dedicated development team – to build and scale your SaaS with predictable velocity. 3. Tech lead / architect – if you already have developers and need senior leadership and structure. TECH STACK (ADAPTED TO YOUR PRODUCT) * Front-end: React, Next.js, TypeScript, Vue * Back-end: Node.js, NestJS, Python (Django/FastAPI), REST and GraphQL APIs * Data and storage: PostgreSQL, MySQL, Redis, MongoDB * Infrastructure: AWS, GCP, Docker, CI/CD, microservices * Web3 (when relevant): smart contract integrations, wallets, on-chain/off-chain architecture TYPICAL CLIENT GOALS Clients usually come to me when they want to: * Launch a new SaaS quickly without sacrificing quality * Turn a prototype into a stable product investors can trust * Replace multiple freelancers with a reliable, long-term dev partner * Add senior leadership on top of an existing in-house or remote team WHAT TO INCLUDE IN YOUR MESSAGE To move fast, please share: 1. What you are building (or improving) 2. Your current stage (idea, prototype, or live product) 3. Deadlines and any hard constraints I will respond with initial thoughts, key risks I see, and suggested next steps so we can quickly decide if we are a good fit.