Maksym Tsuman

Maksym Tsuman

Internship in Department of Foreign Cooperation

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  • Timeline

  • About me

    Data Engineer @ Xebia | ETL | Spark | AWS | Big Data Analytics

  • Education

    • Szkoła Kolegium № 1

      2001 - 2012
    • University of Warsaw

      2016 - 2018
      Master's degree Computer Science and Econometrics

      Activities and Societies: Scientific Circle of Applied Statistics and Econometrics

    • The University College of Enterprise and Administration

      2012 - 2015
      Bachelor's degree International Economics 5+

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

    • American University in Bulgaria

      2013 - 2014

      Erasmus exchange student

  • Experience

    • Marshal Office of Lubelskie Voivodeship

      Jun 2014 - Jul 2014
      Internship in Department of Foreign Cooperation
    • Omnes Gentes

      Dec 2014 - May 2015
      Volunteer

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

    • Fundacja Centrum Rozwoju Lokalnego

      Mar 2015 - Jun 2015
      Volunteer

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

    • Solid Logistics

      Mar 2016 - Oct 2016
      Sea freight forwarder assistant

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

    • CMR (Centrum Monitorowania Rynku)

      Feb 2018 - Nov 2019
      Data Analyst

      - 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

    • Allegro

      Nov 2019 - Mar 2021

      - 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

      • Data Analyst

        Oct 2020 - Mar 2021
      • Junior Data Analyst

        Nov 2019 - Oct 2020
    • ING

      Apr 2021 - Aug 2022
      Expert - Data Scientist

      - 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

    • Xebia

      Aug 2022 - now
      Data Engineer

      • 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

  • Licenses & Certifications

    • Statistical Thinking I

      DataCamp
      Jun 2019
      View certificate certificate
    • Data Scientist with Python Track

      DataCamp
      Mar 2021
      View certificate certificate
    • Intermediate Python for Data Science

      DataCamp
      May 2019
      View certificate certificate
    • SQL Fundamentals course

      SoloLearn
      Jul 2017
      View certificate certificate
    • C++ Tutorial course

      SoloLearn
      May 2017
      View certificate certificate
    • Road to Excellence "SAS Visual Analytics"

      Independent Students' Association at Warsaw School of Economics
      Dec 2017
    • Cleaning Data in Python

      DataCamp
      Jun 2019
      View certificate certificate
    • AML Foundations

      ACAMS
      Oct 2021
    • EdX Verified Certificate for Python for Data Science

      EdX
      Feb 2022
      View certificate certificate
    • Road to Excellence "Data Science in R - the art of visualisation"

      Independent Students' Association at Warsaw School of Economics
      Dec 2017