Вадим

Vadym Katsel
Software Engineering Student

Contacts

 [open contact info](look above in the "contact info" section) |  [open contact info](look above in the "contact info" section) |  vkatsel |  Linked In |  02000 Kyiv, Ukraine

 Education  Tools
Undergraduate education (2024 - 2028) Programming Languages: Python
Kyiv School of Economics C# C++ Bash
Bachelor of Software Engineering and Business Analysis with 3.7/4.0
GPA Tools: Git GitHub Multipass
Wireshark VS Code JetBrains
Online Courses: C# Intermediate: Classes, Interfaces and OOP; Report
IDEs HTML/CSS
Writing Made Simple

Data Manipulations: SQL R
 Experience
Quarto DuckDB
Python Teacher Assistant (OCT 2025 - NOW)
Kyiv School of Economics  Languages
- Conducted practice sessions and mentored groups of 25+ students in Ukrainian - Native
Python programming. English - Advanced
- Provided regular code reviews and technical feedback on students’ Spanish - Upper Intermediate
assignments.
- Prepared technical materials and guides for practice sessions
- Improved course workflow by designing and implementing a
courseware web-based platform

 Projects
Courseware Website (DEC 2025 - NOW)

Stack: Quarto Python HTML CSS JS GH Pages GH Actions

Developed a responsive educational website from scratch using Quarto, JS, HTML, and CSS.
Created a custom design system and implemented a user-friendly landing page.
Built adaptive layouts to ensure optimal display across different devices.
Set CI/CD deployment process to GH Pages

See the website or GitHub repository to find out more

Try-Catch Scooters DB (JUL 2025)

Stack: SQL GitHub

Designed a relational database schema for an urban scooter rental service, documenting data models via ERD
Implemented tables, relationships, and constraints to ensure strict data integrity
Generated and populated the database with 500,000+ rows of mock data to test query performance
Collaborated in a pair to plan and optimize the database architecture
MultiChat TCP-Application (JAN 2026 - NOW)
Stack: C# GitHub

Developed a multithreaded client-server chat application from scratch using C# and raw TCP sockets, handling
concurrent users via background tasks.
Designed a custom byte-level application-layer protocol (SI-GMA) for efficient asymmetric routing of text
messages, file chunks, and system commands.
Ensured thread safety and prevented deadlocks during message broadcasts across isolated rooms using
ConcurrentDictionary and Monitor synchronization.

С++ Text Editor (JUN 2025)

Stack: C++ , CMake , GitHub

Developed an object-oriented CLI text editor supporting multi-tab operations and various data inputs
Built a custom dynamic string data structure ( DynamicStr ) from scratch to handle low-level memory
management
Designed a polymorphic architecture for processing different line types (Text, Contacts, Checklists)
Integrated an Undo/Redo state manager and a custom external DLL for text encryption