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 • 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 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, Docker, Fivetran, Jupyter Notebook, PostgreSQL, MySQL, Snowflake. Show less

- 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, Matplotlib), Superset - along with Oracle SQL Developer, Oracle FCC Studio, Amundsen, HDFS, Azure Repos, Bash

- 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