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🌟 Your Trusted Partner for Web & Web3 Development 🌟 Hi, I’m Viktor, the founder of Vizzwo, a Ukraine-based company specializing in creating modern Web and Web3 solutions. We provide end-to-end product development, covering every stage: ✅ Design creation ✅ Development ✅ Deployment on AWS or/and launching on the blockchain mainnet 💻 Our Technology Stack: 🚀 Frontend Development: - Vanilla JavaScript - ReactJS - Next.js - TypeScript 🔧 Backend Development: - Golang - PostgreSQL / Redis / MongoDB - Solidity ☁️ Infrastructure & DevOps: - AWS - Docker, Kubernetes - Terraform ❓ Didn’t find the technology you’re looking for? No worries! Just send me a message—we likely have the expertise you need. ✨ Let’s bring your ideas to life. Whether it’s a modern website, a high-performance application, or an innovative Web3 solution, Vizzwo is here to help. 📩 Message me today, and let’s get started!

🎓 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!

Senior Front-End Developer | Expert in Angular & React Native & Vue | TypeScript | SCSS | Node.js 🔹 8 Years of Professional Experience 🥇Top Rated (100% Job Success Rate) I’m an experienced Front-End Developer with a strong foundation in modern web technologies and over 7 years of experience in building scalable, high-performance web applications. My focus is on delivering visually appealing and user-friendly solutions that exceed client expectations. 📌 𝐌𝐲 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: ✔️ 7+ years of professional experience in web and mobile app development. ✔️ 5+ years of uninterrupted experience with Angular 2+ and related technologies (TypeScript, RxJS, NgRx and different UI libraries). ✔️ 2+ years of development experience with React/Redux/React Native, Nuxt.js, Vue.js and Wordpress ✔️ good knowlege of AJAX, JSON, REST API, GRAPH QL, OOP, SOLID, DRY, KISS, YAGNI ✔️ good understanding Docker, CI-CD integration ✔️ good knowlege Node.js, Express, Mongo DB, PostgreSQL 📌 𝐇𝐨𝐰 𝐈 𝐂𝐚𝐧 𝐇𝐞𝐥𝐩 𝐘𝐨𝐮: ✅ Implementing sleek, pixel-perfect interfaces based on detailed UX/UI designs ✅ Collaborating with designers and developers to bring your vision to life ✅ Ensuring scalable, optimized, and maintainable code for long-term success ✅ Creating reusable components and optimizing applications for maximum performance Strong communication skills, work well both independently and within the team. Quickly learns and masters new concepts and skills. 📌 𝐌𝐲 𝐒𝐤𝐢𝐥𝐥𝐬: Angular, AngularJS, Angular CLI, Single Page Applications (SPA), Reactive Forms, Template-Driven Forms, RxJS, NgRx, State Management, Component-Based Architecture, Dependency Injection, TypeScript, JavaScript, Progressive Web Applications (PWA), Lazy Loading, HTML5, CSS3, SCSS, SASS, Bootstrap, Material Design, Angular Material, TailwindCSS, React Native, Vue.js, Vuetify, Pinia, PrimeNG, Kendo UI, Webpack, Babel, ESLint, RESTful APIs, GraphQL, API Integration, CRUD Operations, RxJS Operators, Jasmine, Karma, Protractor, Responsive Design, Cross-Browser Compatibility, Accessibility (WCAG), Figma, Git, GitHub, GitLab, Bitbucket, CI/CD, Docker, Firebase, Websockets, Socket.IO, Data Visualization, Chart.js, Highcharts, Agile Development, Scrum, Jira, Trello, Slack, Website Optimization, Performance Tuning, Lighthouse Audits, Browser Developer Tools, SEO Best Practices, Localization, Internationalization (i18n), Security Practices (OWASP), Design Systems, Component Libraries, Frontend Architecture, Code Refactoring, Debugging, Documentation, UI/UX Collaboration, SaaS Platforms, Ecommerce Platforms, Real-Time Applications.

👨‍💻4yrs+ Experience A smart contract developer with over 4 years of experience building DeFi and blockchain infrastructure on EVM networks. I specialize in smart contract architecture, protocol integration, and security-focused development. I have experience working with Uniswap V3/V4, account abstraction, staking protocols, and upgradeable contract patterns. I am passionate about building scalable decentralized financial infrastructure.

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.

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.