Maksym Tsuman Email & Phone Number

• Empowered stakeholders with efficient data management by building, maintaining, and provisioning ETL pipelines using Python and Spark on AWS services.
• Implemented Python scripts and Spark optimization techniques, along with code refactoring, to mitigate ETL pipeline bottlenecks, resulting in a 20% reduction in data transfer time.
• Successfully orchestrated the migration of data from transactional databases to the data warehouse, reducing data retrieval time by 15% and ensuring zero… Show more
• Successfully orchestrated the migration of data from transactional databases to the data warehouse, reducing data retrieval time by 15% and ensuring zero data loss throughout the process.
• Ensured the integrity of the production environment by conducting up to 100+ unit tests written in Python prior to deployment, effectively preventing potential issues.
• Technologies stack: Python (PySpark, Pandas, Awsglue, Boto3, Unittest, Pytest), Spark, Terraform, Gitlab, AWS (Glue, Lambda, Step Functions, EventBridge, RDS, S3, ECS, Fargate), GCP (Cloud Storage, Dataproc), Airflow.

- Performed overlap & lookback analysis on transaction data that impacted critical department decisions - Developed AML scenarios and statistical dashboards for better alerts handling- Processed Functional & Risk User Acceptance Tests to assess new or double-check existing AML controls- Technologies stack: JupyterLab, Python (PySpark, Pandas, Plotly.

- Conducted onboarding of newcomers- Organised workshops for superior understanding of our analytical solutions by stakeholders - Developed various attribution models that influenced the direction and growth of sales

- Provisioned and maintained ETL pipelines- Technologies stack: Python (PySpark, Pandas, NumPy, Matplotlib, etc.), Airflow, Hive, Alation, BigQuery, HDFS, Jupyter Notebook, Bitbucket, Tableau, Data Studio

- Helped increase sales and distribution of key players in the FMCG market by performing dedicated sales analysis such as purchasing behavior or stores grouping- Presented outcomes in front of the stakeholders- Maintained receipts transactional data quality- Technologies stack: Python (Pandas, NumPy), Jupyter Notebook, Excel, VBA, Tableau, Bash

Sady Near Poznań

Managing of export procedure of various goods from China to Germany / Poland and updating database.

Polska

Assistance under project’s implementation co-financed by EU Funds.

Polska

Creating events for Erasmus students who come from all over the world.

Lublin, woj. Lubelskie, Polska

Master'S Degree, Computer Science And Econometrics

Activities and Societies: Scientific Circle of Applied Statistics and Econometrics

Education record

Erasmus exchange student

Bachelor'S Degree, International Economics, 5+

Activities and Societies: The student research group "Eastern Poland".

Education record