Tagir Gumerov

Experience

• 

  CloudLinux

  Feb 2018 - Oct 2019

  Developing and maintaining of reports on Jupyter, Python, PySparkDevelopment ETL processes, collecting data from different sources: DBs (PostgreSQL, ClickHouse and etc), REST API, MetabasePreparing Data Marts and visualization in Tableau Developed Internal productTech stack: Python, SaltStack

  • Data Engineer

    Aug 2018 - Oct 2019

  • Python Developer

    Feb 2018 - Aug 2018
• 

  ITASystems LLC

  Oct 2019 - May 2022

  Formalization of the data pipelines: ETL and visualization in TableauMoving to product development: containerization in the company’s infrastructure, use of DDD and layered architecture, tech stack: Python (pytest, mypy, FastAPI, alembic), docker, MinIO, RabbitMQAccepting and supporting Java services Support and development of management and operational reports in Python, PostgreSQL, pandasClickHouse integration for Data Lake and Data MartsBuilding data streams: extract (Kafka, database, REST API), load (Vertica, ClickHouse, PostgreSQL), transform (Python, DBs) and delivery (Tableau, email newsletters, telegram)Implementation of operational reconciliations based on Telegram botClickHouse AdministrationSolving ad hoc problems

  • Team Lead

    Jun 2021 - May 2022

  • Data Engineer

    Oct 2019 - Jun 2021
• 

  Avito

  May 2022 - Jun 2023

  Data Engineer

  DWH supporting and troubleshootingDevelopment ETL/ELT processesAdd features to DWH: working with grammar, development new data validatorsHelp in solving analyst problems, ETL/ELT code review and performing migrationsTech stack: Python, Vertica, docker, ClickHouse