Hire the Best Litecoin Developers in Kyiv, UA

🎓 With 100+ completed projects and over 3,000 hours of successful work delivered, I bring dedication, consistency, and proven results to every collaboration. I combine technical expertise with a results-driven mindset. As a seasoned Python Developer with a Master’s in Computer Science and 10+ years of experience, I also work as a Python developer to help businesses transform raw data into actionable insights that drive smarter decisions and measurable success. By specializing in data mining, web scraping, OCR, and machine learning solutions, I deliver tailored, efficient systems that streamline data processes and empower you to achieve your goals faster. 💼 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗢𝗳𝗳𝗲𝗿: • Data Mining & Web Scraping: Expertise in scraping data from dynamic websites, PDFs, images, and captcha solving, with delivery in formats like CSV, JSON, XML, or SQL DB. • Machine Learning | AI | Data Science: Proficient in building predictive models and data analysis using libraries like Pandas, Scikit-learn, TensorFlow, and PyTorch. • OCR & Image Processing: Skilled in extracting text from images and solving captchas using Tesseract OCR, EasyOCR, and Google Cloud Vision. Over the years, as a Python developer, I've developed many cross-platform scraping tools for popular websites like Amazon, Booking, eBay, Craigslist, and other social networks and e-commerce sites. I'm well-versed in handling complex and well-protected sites using techniques such as user-agent changing, IP-rotation, headless browsers, captcha solving engines, and custom captcha solving solutions. In addition to my data mining and extraction skills, as a Python developer, I'm also proficient in data analysis and machine learning. I can help you build predictive models that will enable you to make informed decisions based on your data. I have worked on various projects that required analyzing large datasets and presenting insights in a clear and concise manner. Furthermore, as a Python developer, I pride myself on being a problem solver and a team player. I enjoy collaborating with clients to understand their needs and providing tailored solutions that meet their requirements. As a Python developer, my algorithm for providing these services is as easy as ETL (Extract, Transform, Load), which makes it simple for you to get the data you need. I'm excited to collaborate with you and deliver high-quality results. Let's work together soon! 💻 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗧𝗼𝗼𝗹𝘀: ✓ Web Scraping, Data Mining, Web Crawling, Email Scraping (Python + Beautiful Soup, Scrapy, lxml / HTTPX, aiohttp / asyncio, Selenium Webdriver / Playwright , PhantomJS, and other Frameworks, Scraping Hub, Crawlera, Google Cloud/DigitalOcean/Azure or AWS deployment) ✓ Data Analysis and Visualisation (NumPy, SciPy, Pandas, scikit-learn, Matplotlib / Seaborn, Jupyter Notebook, Tensorflow) ✓ AI, Prompt Engineering & Model Optimization (ChatGPT, OpenAI API, LLama) ✓ Image Processing & OCR (OpenCV, Tesseract OCR, EasyOCR, TrOCR, PIL, Image Magick, Google Cloud Vision) ✓ Image/Text/CAPTCHA Recognition (Tesseract OCR, Antigate API, reCaptcha, DeathByCaptcha) ✓ PDF Mining (QPDF, XPDF, PyPDF, pdfminer, pdfplumber, PyMuPDF, Tabula) ✓ Desktop Applications Development (PyQT, wxPython) ✓ Database Systems (SQL, MS SQL Server (T-SQL), PostgreSQL, MongoDB, MySQL, MS Access, SQLite, Firebird) ✓ API Integration (Rest API, Twitter API, Facebook API, Instagram API, Google API, Youtube API, Bing API, eBay API) 📝 𝗥𝗲𝘃𝗶𝗲𝘄𝘀: ✓ "Top notch developer!" ✓ "Excellent work is done by Nataliia. She exceeded my expectations!" ✓ "Extremely thorough and quick!" ✓ "She does excellent work on long tasks, and is highly recommended." Does that suit you? 🕙 If you’re looking for a reliable Python developer, feel free to contact me anytime, and let's discuss the details of your task during the interview. I'll be glad to help you to reach your goals!

VADYM MYKHAILENKO Smart Contract & BackEnd Engineer EXPERIENCE 2024 - 2026 Shogun (Intensity Labs) Lead Backend & Smart Contract Engineer * Designed and built core protocol architecture for an intents-based trading system across EVM, Solana, and Sui: * Developed secure and cost-efficient smart contracts for intent creation, validation and execution * Led backend development for the protocol’s execution infrastructure, including: o Designed orders processing, verification pipelines, auctions, external API for order access and integrations o Implementing on chain efficient trade estimations and safe executions * Architected protocol to support: o Flexible order configuration: single chain / cross chain, market / limit / DCA orders, with new parameters (like trailing stop loss) addable with minimal changes to core logic o 200+ concurrent trades (orders executions) o A scalable multi-chain design extendable to any number of EVM chains * Built cross-chain trading aggregation API (TypeScript) with smart contracts (Solidity/Yul) for extended functionality which: * Supported 13+ chains across 3 chain types * Estimated, compared and provided best quotes for single chain and cross chain trades * Built a high-performance Rust indexer for trading and launchpad protocols across EVM and Solana, covering 30+ protocol types Tech stack: Rust, Solidity, Yul, Anchor, MOVE, TypeScript, PostgreSQL, WebSocket, alloy, Docker 2022 - 2024 BabyDoge Senior smart contracts developer * Developed and deployed smart contracts o DEX, Farming, NFT, Presale and more * Built supporting indexers for smart contract data and protocol operations * Worked on partner integrations, issue analysis, and user-facing protocol incident investigation * Contributed to products that reached: * $75M+ peak TVL * $1B+ trading volume * No hacks/exploits Tech stack: Solidity, Yul, TypeScript, Hardhat, ethers.js 2021 - 2022 ThreeEquals Smart contracts developer * Developed and deployed numerous smart contracts across different use cases * Wrote technical and business documentation for protocol and product requirements Tech stack: Solidity, TypeScript, Hardhat, ethers.js EDUCATION Master's degree 2011 National Aviation University Information protection of computer systems and networks PROFESSIONAL SUMMARY Senior protocol engineer with experience building smart contracts and backend systems for trading, execution, and cross-chain infrastructure. Worked across EVM, Solana, and Sui, with hands-on ownership of execution-critical systems including order processing, trading, estimations, and indexers. Strong focus on performance, security, flexibility, and building reliable systems that operate under real production load. Languages: * English * Ukrainian * Russian

Turn complex fintech requirements into reliable, scalable products. 9+ years specializing in crypto exchanges, DeFi platforms, and trading systems used by millions. Senior React Developer with full-stack expertise, capable of delivering production-ready platforms. I accelerate development with AI-assisted tools like Claude and Cursor while ensuring security, maintainability, and regulatory compliance. Projects I'm proud of: NDA - Decentralized exchange platform for trading, swapping, and staking cryptocurrencies. Built an intuitive interface for market/limit orders, liquidity pools, staking, and analytics dashboards. Optimized tables for large datasets and added dark mode and mobile support. Myntkaup - Cryptocurrency trading platform. Handles deposits, multi-crypto trading, PNL tracking, and regulatory compliance. Enhanced trading features, improved UI/UX on web and mobile, added an admin dashboard, and integrated secure wallet and banking operations. Trustyfy - Fintech platform for crypto and fiat wallet management. Integrated Moralis API, WalletConnect, and crypto transaction approval flows. Enabled secure multi-wallet management, crypto taxes calculation, and bank integrations. Tech stack: ⚡ Frontend: React, Next.js, TypeScript, Tailwind CSS, Material UI, Redux, Remix ⚡ Backend: Node.js, ExpressJS, NestJS, MongoDB, PostgreSQL, Supabase ⚡ Mobile: React Native, Expo ⚡ Blockchain: Solidity, Ethers.js, Web3.js, Polygon, Ethereum ⚡ Crypto Integrations: Aave, Magic.link, Gnosis, Bridge.xyz, Rain.xyz, Coinbase API, Kraken API, Fireblocks, BlockCypher ⚡ AI & Dev Tools: Claude, Cursor ⚡ Infrastructure: AWS, Firebase, Azure, Google Cloud, CI/CD Expertise: Blockchain & Web3 - DeFi/DApp development, crypto wallets, token systems, and secure exchange platforms. SaaS & FinTech - Multi-tenant architecture, admin dashboards, subscription billing, KYC/AML-compliant workflows. Web & Mobile - Full-stack solutions with responsive, optimized interfaces across devices. AI-accelerated development - Claude and Cursor integration for faster, reliable feature delivery. What working with me looks like: ✓ Clear, proactive communication ✓ Scalable, maintainable, secure code ✓ Architecture guidance and strategic input ✓ Faster delivery without compromising quality Build your next crypto, Web3, or fintech product with confidence. Let's explore how to turn your idea into a high-performance, compliant platform. Message me, and we'll set up a quick call to discuss your project.

We are a Blockchain & Web3 development team delivering full-cycle solutions - from idea to mainnet launch Our core focus is building scalable, secure, and production-ready Web3 products using modern tech stack and proven architecture. 🔧 Our Tech Stack Blockchain: Solidity, EVM (Ethereum, Arbitrum, BNB Chain, Polygon, Avalanche), Smart Contracts, Web3 integrations Frontend: React.js, Next.js, Web3.js, Ethers.js, Wagmi, WalletConnect Backend: Node.js, Express.js, NestJS, REST APIs, WebSockets Mobile: React Native (Web3 wallets, mobile dApps) Infrastructure: Docker, AWS, CI/CD, Hardhat, Foundry 💼 What We Build Smart Contracts (ERC20, ERC721, ERC1155) Token Development & TGE Launch DeFi Platforms (staking, lending, yield farming) DApps (full-stack Web3 applications) Launchpads & IDO Platforms Crypto Payment Integrations (on/off-ramp, wallets) Custom Web3 Dashboards & Admin Panels (реально відображає ваші кейси типу токенів, TGE, launchpad ) ⚙️ How We Work End-to-end development (Smart Contracts + Frontend + Backend) Clean, maintainable and scalable architecture Security-first approach (testing, audits, best practices) Fast delivery with clear milestones 🧠 Why Clients Choose Us Strong expertise in Web3 / Blockchain / DeFi Experience with tokens, staking, launchpads, and complex dApps Deep understanding of product + business logic, not just code Dedicated team (Blockchain + Frontend + Backend + PM) 📩 Let’s Build Your Web3 Product If you are looking to build a token, DeFi platform, dApp or full Web3 ecosystem - we can help you deliver it fast and right.

🔝 TOP 10% of Upwork Agencies 💯 Job Success ⭐️ 5-Star Rating 🏆 Hackathon winners 🔟/🔟 Smart Contracts Rating Audited by Hacken ✅ ⭐️⭐️⭐️⭐️⭐️ "We look forward to continuing our collaboration on the next phase! Yevhen, Dexola, and the rest of the team have been an absolute pleasure to work with. Very knowledgeable and responsive, would highly recommend!" ⭐️⭐️⭐️⭐️⭐️ "It was a pleasure working with Yevhen. He is highly skilled and very professional. Will definitely work with him again. Highly recommended." As a CTO with over 10 years of experience and 45 blockchain-based projects completed, I have a proven track record in delivering high-quality, scalable, and secure web solutions. My expertise lies in blockchain and Web3 technologies. I am passionate about building innovative blockchain and Web3 products that solve real-world problems. Furthermore, I am committed to working closely with my clients to understand their needs and ensure that their projects are a success. 📍 Blockchain & Web3 Development: - DAO, DeFi and GameFi solutions - EVM Chain (Ethereum/ETH) - Solana - Solidity, Rust 📍 Smart Contracts: - NFT Smart Contract - Staking, Minting, Airdrops - Security Smart Contracts Audit 📍 Full-Stack Development - Node.js, React.js, web3.js, Vue.js, TypeScript etc. - API Integration - Building & Deploying Scalable and Secure Applications 📍 Trading & Automation: - Decentralized Exchange (DEX/CEX) - Trading Bots (bonding curve keys, volume bot, telegram bot) - Crypto Casinos 📍 Integration & Bridges: - Wallet Integration (WalletConnect, Coinbase Wallet, etc.) - Blockchain Bridges ⌛️ Proven success in delivering projects on time and within budget 🙌 Excellent communication and interpersonal skills Let's hop on a call and discuss how I can make your project happen.