Олег

OLEG RUSNAK
[open contact info](look above in the "contact info" section) ⋄ Chernivtsi, Ukraine
[open contact info](look above in the "contact info" section) ⋄ [open contact info](look above in the "contact info" section)

SUMMARY
Full-Stack Software Engineer specializing in .NET Core and React with practical experience building production-
ready web applications, from e-commerce platforms to social networks. Skilled in constructing 3-Tier architectures,
developing RESTful APIs, and building dynamic, user-friendly interfaces with complex filtering, search, and state
management. Used to working in team environments with standard Git workflows, code reviews, and Agile sprints.

SKILLS
Technologies:
- Front-End: React, JavaScript (ES6+), HTML5, CSS3, Tailwind CSS, Redux Toolkit, Context API
- Back-End: C#, .NET Core / ASP.NET Core, Entity Framework Core, RESTful APIs, JWT Authentication
- Databases & Arch: MS SQL Server, Three-Tier Architecture, Swagger
- Tools & Practices: Git, GitHub, Vite, npm, Postman, Agile / Scrum, Code Reviews
Languages: English (B2), Ukrainian (Native), Romanian (Fluent)

EXPERIENCE
Software Engineer | Chernivtsi IT Cluster Feb 2026 – Jun 2026
Tech Stack: React, C#, .NET Core, Entity Framework Core, MS SQL Server, Tailwind CSS, JWT, Swagger
• Engineered a full-stack social networking and event management platform enabling users to discover, schedule,
and interact with local events.
• Architected modular backend API endpoints using .NET Core and MS SQL Server following a clean 3-Tier
Architecture pattern.
• Developed intuitive frontend feeds and event discovery interfaces using React and Tailwind CSS.
• Integrated JWT authentication for secure user sessions and configured Swagger documentation for API valida-
tion.
Software Engineer Intern | InterCode LLC Apr 2025 – Jun 2025
Tech Stack: React, C#, .NET Core, Entity Framework Core, MS SQL Server, Tailwind CSS, JWT, Swagger, Git
• Developed a full-stack e-commerce application for a retail flower store using .NET Core, Entity Framework Core,
and React.
• Built key interactive features on the frontend including dynamic live search, multi-category filter logic, and
client-side pagination.
• Designed relational database schemas and optimized data access layers using Entity Framework Core and MS
SQL Server.
• Collaborated actively within a cross-functional development team, adhering to Agile sprints, participating in
peer code reviews, and managing version control via Git.

COURSES
Advanced Frontend Development: JavaScript and React Ecosystem | Udemy (Bogdan Stashchuk)
Completed a comprehensive 130.5-hour training program focusing on modern JavaScript (ES6+), functional pro-
gramming principles, and building single-page applications with the React ecosystem.

EDUCATION
Bachelor of Computer Science, Yuriy Fedkovych Chernivtsi National University 2022 – 2026