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rlytvynov/README.md

Hi, I'm Roman Lytvynov πŸ‘‹

Software Engineer | Full-Stack Developer | ML & Data Analysis Enthusiast

Motivated Software Engineer and 4th-year Information Systems student. Experienced in full-cycle web development and building machine learning models. A quick learner, open to new challenges, and eager to build efficient, scalable software solutions.

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πŸ‘¨β€πŸ’» About Me

  • πŸŽ“ Education:
    • Sofia University (FMI) πŸ‡§πŸ‡¬: B.Sc. candidate in Information Systems (4th year, Present).
    • Kharkiv Polytechnic Institute πŸ‡ΊπŸ‡¦: B.Sc. in Software Engineering (2020–2024).
  • πŸ’Ό Experience: Intern at Progress Software (2025) – Developed React UI components, supported CI/CD pipelines, and provided direct technical support for the ThemeBuilder web application.
  • 🌍 Languages: Russian (Fluent), English (B2), Bulgarian (B2), German (A2).
  • ⚑ Interests: Data Analysis, Machine Learning, Full-Stack Development, and History.
  • 🎾 Hobbies: Chess, volleyball, football, swimming, table tennis, and traveling.

πŸ› οΈ Technologies & Tools

Programming Languages:

Python JavaScript C++ C Java SQL Bash

Full-Stack Development:

React Redux Node.js Express.js NestJS HTML5 CSS3

Machine Learning & Data Science:

Scikit-learn TensorFlow XGBoost Pandas

Databases & DevOps:

PostgreSQL Oracle MongoDB Git Docker


πŸš€ Key Projects

πŸ“Š Smoker Status Prediction (ML Engineer)

Built an end-to-end machine learning pipeline for smoker status prediction.

  • Stack: Python, Scikit-learn, XGBoost, TensorFlow, SHAP.
  • Impact: Achieved an ROC-AUC of 0.8929 through extensive feature engineering, hyperparameter optimization, and ensemble learning.

πŸ›’ Electroterm (Full-Stack Developer)

Developed a full-stack e-commerce platform.

  • Stack: React, Redux, Express.js, Oracle Database, PL/SQL, NestJS.
  • Impact: Implemented scalable business logic, robust inventory management, and secure transactional data processing.

πŸ’¬ FlashTalk (Full-Stack Developer)

Built a Discord-inspired real-time messaging platform.

  • Stack: React, Redux, Express.js, WebSockets.
  • Impact: Successfully integrated channel management, user authentication, and seamless real-time communication features.

πŸ† FMI Codes Hackathon (Team Member)

Developed a full-stack statistical web application within a 48-hour timeframe.

  • Stack: React, Node.js, PostgreSQL, Python (ML models).

πŸ“ˆ GitHub Stats

Top Langs

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    Marathon in C, lets learn basics of C language in 1 month

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