Oleksii Tkachenko

Full-Stack Developer with experience in Java, C#, JavaScript/TypeScript, React, Node.js, and Python. Skilled in database design, backend systems, and frontend development. Practical background in machine learning and data analysis. Experienced in building scalable web apps, working with cloud environments, and delivering clean, maintainable code. Strong problem-solving skills, self-motivation, and ability to adapt quickly to new technologies.

Project Experience

  1. Forex Prediction System ......

    In progress: ML-based system for real-time Forex forecasting on large datasets. Focus on time series modeling, market trend visualization, and decision-support tools. Tech: Python, Pandas, NumPy, ML models (LSTM, regression), data pipelines.

  2. Woodland ABC ...... Backend Frontend

    Educational app for children aged 4–6 to improve reading and interaction with digital content. Tech: Python (FastAPI), PostgreSQL, React.

  3. WebAppStudDB_Java ...... Project link GitHub

    Student database management system with Java, Spring, PostgreSQL

  4. Serverless Short Linker ...... Project link GitHub

    Backend service for short links using TypeScript, Node.js, Serverless

  5. More projects on GitHub ...... GitHub Profile

    Earlier projects (HTML/CSS/JS, team works, and experiments)

Work Experience

Forex Prediction System — Full-Stack & ML Developer

In progress | Ukraine
  • Designing a scalable system for Forex market forecasting
  • Applying machine learning (LSTM, regression) on historical datasets
  • Building data preprocessing pipelines with Pandas and NumPy
  • Developing visualization tools for market trend analysis
  • Optimizing workflows for real-time prediction and decision support

Bachelor’s Thesis Project — Full-Stack Developer

During studies | Ukraine
  • Developed an educational app “Woodland ABC” for children aged 5–8
  • Built backend with Python (FastAPI) and PostgreSQL
  • Implemented a responsive frontend with React
  • Focused on clean architecture, usability, and accessibility for young learners

Education

Sumy State University

Master’s Degree in Computer Science and Information Technologies

2025 - now | Ukraine Sumy

Bachelor’s Degree in Computer Science and Information Technologies

2021 - 2025 | Ukraine Sumy

Cisco

Cybersecurity

2023| Ukraine Sumy

PortaOne

Linux and Network Administration

2022| Ukraine Sumy

GoIT Technology Courses

Full-Stack Developer

2020 - 2021| Ukraine Kiev