Назар

NAZAR KOZAK
DATA ANALYST
# [відкрити контакти](див. вище в блоці «контактна інформація») ï Linkedin § GitHub l Nazar#6550

WORK EXPERIENCE

Python Developer at JDRuiter software 11.2023 - 01.2025
• Developed interactive web applications using Django.
• Created complex data visualizations with JavaScript.
• Optimized database models, reducing query times and improving overall system performance.
• Analyzed large datasets to identify key trends, aiding strategic business decisions.
• Utilized FastAPI for API request handling, decreasing server response times.

HARD SKILLS

Programming skills: Python, Django, Django Rest Framework, FastAPI, Git, OOP, Numpy,
Scikit-learn, Pandas, Matplotlib, Seaborn, Skforecaster, C++.
ML: Data cleaning/preparation, EDA, Metrics understanding,
Understanding and dealing with overfitting and underfitting problems.
ML algorithms: Linear regression, Decision tree, Random forest, SVM algorithms,
Perceptron, Logistic regression.
Math Skills: Linear algebra, Theory of Probability, Mathematical Statistics, Calculus,
Numeric methods, Discrete Mathematics, Differential Equations
Stability Theory, Variational calculus.
Other: SQL, MySQL, PostgreSQL, LaTeX, MS Excel, MS Access, Statistica

PROJECTS

§ Data Analyst labs Used Python to visualize data, prepare data, and select the best models for
prediction, forecasting or clustering.
§ DB Labs Used SQL and MySQL to create and interact with databases.
§ University tasks Here are solutions to university problems in mathematical statistics,
probability theory, functional analysis, and other mathematical disciplines.
These problems were documented using LaTeX.

ACHIEVEMENTS

· Demonstrated leadership as a team leader in various Machine Learning and Deep Learning competitions.
· Attained top positions in mathematics and physics Olympiads during my secondary school years.
· Contributed significantly to the academic success of fellow university students, resulting
in their high standings in faculty rankings.

EDUCATION

2018 - 2024 Bachelor in System Analysis
Kyiv, Ukraine Igor Sikorsky Kyiv Polytechnic Institute
COURSES

Fitting Statistical Models to Data with Python
Crash Course on Python
Python Classes and Inheritance