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Sofiia Zhelikhivska

@sofiiazhelikhivska

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Computer science student building Java VPN simulations and real-time Python voice assistants with WebSockets.

Poland

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With OfficeVPN, I implemented a Java VPN client-server simulation to explore authentication, persistent tunnels, and concurrent sessions. It includes a JavaFX interface, MySQL authentication through JDBC, and a multithreaded server using thread pooling and persistent sockets.

I also built a real-time voice assistant with Python and the ElevenLabs Conversational AI SDK, adding runtime context injection and interrupt handling over full-duplex WebSockets. My projects also include a zero-dependency Python finance tracker with modular architecture, persistent JSON storage, and audit logging.

Experience

Work history, roles, and key accomplishments

School President

Lyceum №257

Jan 2024 - Jan 2025 (1 year)

Led a 30-person student council, coordinated school-wide events, managed cross-functional teams, and served as the primary liaison between students and administration.

Leadership Communication Skills Conflict Resolution Project Management

Education

Degrees, certifications, and relevant coursework

Odessa Polytechnic National University

B.Sc., International Economic Relations

2025 -

Pursuing a parallel B.Sc. in International Economic Relations.

Polish-Japanese Academy of Information Technology (PJAIT)

B.Eng., Information Technology: Computer Science

2025 -

Pursuing a B.Eng. in Information Technology with a focus on Computer Science, including coursework in algorithms, operating systems, and networks.

Red Hat

Red Hat System Administration I (RH124), System Administration

2026 - 2026

Completed structured enterprise Linux administration training covering command-line proficiency, file system management, and network configuration in Red Hat Enterprise Linux.