Назарій

NAZARII KUTSALABA
DATA SCIENTIST

CONTACTS SUMMARY
Data Scientist with a Master’s degree in Applied Mathematics and 3+ years of
[відкрити контакти](див. вище в блоці «контактна інформація»)
software engineering experience. Proficient in Python, SQL, predictive
linkedIn modeling (XGBoost, GLM), and building automated ETL pipelines for complex
datasets. Skilled in anomaly detection, time-series forecasting, and converting
@Nazaricuss raw statistical data into actionable business insights.

remote
EXPERIENCE
github
Aspira Ltd. 2026 - now
Data Processing Analyst
SKILLS
Managed end-to-end data validation and cleaning workflows for
production data pipelines, identifying pattern anomalies and edge-case
Python, SQL
errors
Pandas, NumPy, SciPy, Scikit- Automated anomaly detection and alert-triage routines using Python
scripts to maintain high dataset precision
learn, XGBoost, Statsmodels,
Python, SQL, Data Quality Control, Data Preprocessing, Anomaly Detection
Matplotlib, Seaborn
NaUKMA (published) 2026 - 2026
Bayesian Inference, Supervised
Machine Learning Researcher
Learning, Transfer Learning,
Built Bayesian Gamma-Poisson player rating system with forgetting factor
GLM (Poisson Regression), ω for dynamic form estimation across 3 EPL seasons
Implemented Dixon-Coles correction to bivariate Poisson model, achieving
Time-Series Forecasting, Walk-
+9.6% edge (p=0.003) on out-of-sample data
Forward Optimization, Feature Engineered full ML pipeline: API data collection → XGBoost xG model →
Walk-Forward decision algorithm → binomial verification
Engineering, Feature Selection
Python, Pandas, NumPy, XGBoost, SciPy, SQL, REST API, Bayesian Inference
(Stepwise Elimination)
PostgresSQL, Firebase,
United Traffic (Ukraine) 2023 - 2026
Software Engineer
Firestore
Configured user tracking and event analytics using AppsFlyer & Firebase
REST API Integration, ETL Analytics to monitor data quality and product metrics
Pipeline Design, Data Validation Designed automated CI/CD pipelines (CircleCI, Docker) to standardize
deployment processes and lead a team of 3 junior engineers through code
& Cleaning, Anomaly Detection reviews
Docker, CI/CD, CircleCI, Git, Swift, Dart, SQL (GRDB), Firebase, AppsFlyer, Docker, CircleCI, REST API
GitHub, Bitbucket MusConv (Ukraine) 2022 - 2023
RabbitMQ, Sentry Software Engineer
Dart, Swift Engineered data synchronization pipelines to migrate large user datasets
via multi-platform REST APIs (Spotify, Deezer, SoundCloud) using OAuth
Dart, REST API Integration, OAuth, Git, Sentry, CSV
LANGUAGES
English - Intermediate (B1) EDUCATION
Ukrainian - Native Master of Applied Mathematics 2024-2026
Faculty of Computer Sciences | National University of Kyiv-Mohyla Academy
CERTIFICATIONS Bachelor of Applied Mathematics 2020-2024
Faculty of Applied Mathematics | The National Technical University of Ukraine
Google AI Professional Certificate “Igor Sikorsky Kyiv Polytechnic Institute”