Oleg

Oleg Katrichuk
Fullstack Developer | .NET/C# | Python | Web3
Age: 44
[open contact info](look above in the "contact info" section) | Ukraine | LinkedIn | GitHub | Portfolio
Professional Summary
Fullstack Developer with solid experience in .NET development, modern web frameworks, and emerging Web3 technologies. Successfully delivered multiple production-ready applications including AI-powered platforms and decentralized applications. Passionate about writing clean code, learning new technologies, and contributing to innovative projects.
Technical Skills
• Backend Development: C#, Python, JavaScript, .NET Core, ASP.NET Core, Entity Framework Core, FastAPI
• Frontend Development: Next.js 15, React, HTML5, CSS3, JavaScript, TypeScript, Tailwind CSS
• Databases: PostgreSQL, SQL Server, MySQL
• Web3: Solidity basics, Web3.js, Ethers.js, Smart Contracts, MetaMask integration
• Tools & Others: Git, GitHub, Docker basics, Visual Studio, VS Code, unit testing
Work Experience
Fullstack Developer | Freelance
2020 - Present
• AI Tools Finder (getaifind.com): Developed full-stack web application using Python (FastAPI) and Next.js 15. Implemented PostgreSQL with optimized queries and user authentication.
• .NET Applications Development: Created RESTful APIs using ASP.NET Core and EF Core. Applied OOP principles, design patterns, and wrote unit tests.
• Web3 Development: Developed test DApp with token swap functionality. Created ERC-20 token on Sepolia testnet and implemented wallet connection using Web3.js.
Projects & Web3 Community
• Decentralized Exchange (DEX): Developed smart contracts for token operations and web interface for blockchain interaction.
• Ambassador Experience: Exorde, LUXON, Peaq, Swan Chain, Masa (2023-2024).
• Technical Writing: Published articles on blockchain technology.
Education & Languages
• Bachelor's Degree in Economics | Ukrainian Financial and Economic Institute (2000 - 2005)
• Languages: English (B2 - Intermediate), Ukrainian (Native), Russian (Native)