Yauheni Piatrouski
@yauhenipiatrouski
Senior Data Engineer focused on Azure and PySpark for scalable ETL and analytics.
BelarusWhat I'm looking for
I am a solution-oriented Senior Data Engineer with over five years of experience building and optimizing data platforms for clients in life sciences, retail and distribution, and healthcare. I have acted as Tech Lead and Team Lead, driving delivery, code review, and onboarding.
I design and implement ETL and data flow solutions using Azure, Databricks, PySpark, SQL Server and PostgreSQL, and I have led cloud migrations, created Azure pipelines/releases, and resolved production incidents. I routinely document functionality and maintain Confluence pages to ensure knowledge continuity.
My work emphasizes reliability and performance: I optimize PySpark jobs, craft complex SQL queries and migration processes, and collaborate closely with product owners and business analysts to translate requirements into production-ready solutions.
Experience
Work history, roles, and key accomplishments
Tech Lead
GTT
Jun 2022 - Present (3 years 3 months)
Acted as Tech Lead and Team Lead on an Azure-based project for Merck, creating Azure pipelines/releases, authoring technical documentation, and supporting final application delivery.
Senior Software Engineer
Data Accelerator Factory
Mar 2022 - Jun 2022 (3 months)
Implemented data flows with PySpark on Databricks, resolved production issues, and collaborated with product owners to deliver Big Data solutions.
Software Engineer
Kosmolet
Feb 2020 - Mar 2022 (2 years 1 month)
Developed and optimized data pipelines using PySpark and Python for Philip Morris, authored complex SQL queries, and participated across the full project lifecycle including data validation and onboarding.
Data Analyst
NBS-MASK
Jul 2019 - Jan 2020 (6 months)
Performed client-facing data analysis and bridged developers and customers for Novartis, delivering analysed datasets and access management using SQL and Hive.
MCMigrated Oracle databases to Azure Database for PostgreSQL using Ora2Pg and Azure DMS, built ETL processes with Informatica and Pentaho, and supported migration testing and cutover.
Completed an SSIS internship building SSIS packages to extract and load data from various sources, implementing configuration and deployment workflows.
Trained on advanced T-SQL and database engine concepts, including joins, subqueries, recursive CTEs, analytic functions, and triggers, and applied them in exercises and tasks.
Education
Degrees, certifications, and relevant coursework
Belarusian State University of Physical Culture
Bachelor of Science, Physical Education and Teaching
Completed a Bachelor of Science in Physical Education and Teaching, graduating in 2021 from the Belarusian State University of Physical Culture.
Tech stack
Software and tools used professionally
Availability
Location
BelarusAuthorized to work in
Job categories
Skills
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