Alexander Chebannyy Email & Phone Number

Phuket, Thailand

• Data Lake and ETL-framework development and administration using Python, Impala, PostgreSQL, Kafka, Docker, Jenkins, Kubernetes• Apache Airflow DAGs and operators development• DBT SparkSQL models development and optimization for large volume data• API recommendation service support and development using Python, FastAPI, SycllaDB, Kafka, Docker, Jenkins, AWS• Spark Streaming Data Ingestion implementation using Scala, Spark Streaming and Amazon S3

Moscow, Russia

Medical Data Quality Assessment Project• Data managment and machine learning framework developement for data processing usingPython, PostgreSQL, ClickHouse, Airflow with SQLAlcehmy, Pandas, numpy and scikit-learn libraries• Building production data and machine learning pipelines using Apache Airflow• Data reporting and visualization using Metabase• PostgreSQL and ClickHouse database management• Linux server managementLarge Banking Project• Analysis and development of ETL-processes using Spark, Hive, Airflow, Oracle, MicrosoftSQL Server, PostgreSQL• Synthetic data generator development using Python

Rostov-On-Don, Rostov, Russia

• ML-models implementation for regression, classification and clustering problems (marketingdata)• Data collection, cleaning and correction• Data analysis and visualization• Development of an application allowing to get simplified access to SQL databases usingnatural language queries• Time series forecasting for Kaggle competition• Telegram-bots development using Python• Linux server administration• MySQL and PostgreSQL databases management• Haskell web pages parser improvement• C Windows medical application improvement

• Regression Pipeline: maximal Information Coefficient (MIC) evaluation, outliers excluding,Boruta feature selection, columns removing, linear and quantile regression training (Python,Scikit-learn)• Implementation of a program preparing datasets for solving time series problems with thefollow-up feedback about potential improvements (Python, Pandas)• ETL-processes managment system development (Python, Airflow)• Development of Telegram bot detecting electoral abuse (Python)