C# + JavaScript/TypeScript Fullstack Developer 
 (Next.js, React, JS/TS, Python, PHP).
Київ / Львів, Україна | Remote / Part-time

Experienced Fullstack Developer with over 5 years of commercial experience in C#, .NET, ASP.NET, JavaScript/TypeScript, and building automation systems, internal business tools, and high-performance applications. I work across backend, system engineering, and modern frontend development, creating scalable, maintainable, and efficient solutions — from database architecture and backend logic to interactive UI interfaces.

Strong understanding of clean code principles, OOP, SOLID, design patterns, client/server integration, and experience working in agile cross-functional teams.

Backend / .NET

• C#, .NET / .NET Core, ASP.NET, WebAPI
• WPF, Blazor (basic)
• Multithreading, asynchronous programming, low-latency development
• Hardware integration, protocol-based communication
• REST API development, internal system integration
• SignalR (basic), CI/CD, Docker

Frontend Development

• JavaScript, TypeScript
• React, Next.js, Redux
• HTML5, CSS3, Tailwind, LESS/SASS
• Building UI interfaces for internal tools, CRM/ERP, dashboards

Databases

• MySQL, SQL Server, PostgreSQL
• MongoDB, Redis
• Query optimization, data modeling

DevOps / Infrastructure

• Docker, Docker Compose
• AWS, Azure (basic)
• Linux, Nginx
• Git, GitHub Actions, GitLab CI/CD

Additional Technologies

• Python (automation, scripts, ETL, backend tasks)
• PHP (support and extension of existing systems)
• API integrations, reporting systems (PDF/Excel), ETL pipelines