Dmitry Polovinkin

Stuff around databases, cloud, SQL, pipelines, reporting

Projects: Dr. Reddy's Laboratories, international pharmacy company and Dixy, major Russian retail Goal: AI-based demand prediction for the clients Tech: SQL, BigQuery, Python, Prefect, Talend, ETL, Linux, Gitlab, Google Cloud Platform My contributions: - Developed various complex data pipelines, which let data scientists and BI engineers to use it easily for predictions and reports - Delivered project-critical ad-hoc data reports, which was crucial for project success

Data engineering during company's tool-set and technologies integration for major international Swiss bank (UBS) as a client: - Developed batch/stream ETL processes based on internal tool with C# back-end and custom DBMS - Wrote C#/LINQ scripts for more advanced transformations and Python for data manipulations - Created and continuously improved documentation for internal tools - Daily collaboration with international team in English. Used S3, PowerShell

Teradata, Oracle DWH development

ETL Development in Business Intelligence field - Completed big project from start to end with the team for big Canadian customer - Developed and migrated numerous ETL jobs in Talend Open Studio - Used databases such as Snowflake, Cassandra, also used MSSQL, PostgreSQL - Worked in Scrum team spread across different countries

Attended an EPAM training course in their offices, it lasted for approximately 6 months (April - October 2019, 3 times a week) and consisted of intensive learning and practice. We learned advanced analytical SQL and Power BI, Oracle DWH, Talend, Tableau, CI/CD, Git .