Павло

PAVEL Data Engineer / DB Developer with 6+ years of experience in database development, ETL
pipelines, BigQuery, MySQL administration, data migrations, replication setup, and server
HONCHARENKO infrastructure. Strong background in optimizing SQL queries, designing scalable data
architecture, automating maintenance tasks, and improving system stability and
performance.

Work experience
DB Developer Mar 2022 - Nov 2025
Plarium, Kiev
Designed and optimized complex BigQuery stored procedures, implemented scalable
Personal
SQL architecture, and introduced performance‑driven refactoring patterns.
Address Built and maintained end‑to‑end ETL pipelines for large‑scale data ingestion and
Bucha transformation, ensuring consistency, reliability, and minimal latency.
Phone number Led migration of high‑volume datasets from SQL to BigQuery, including schema
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redesign, performance benchmarking, and storage optimization.
Email
Migrated existing ETL workflows to a new orchestration platform (Kestra), modernizing
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the company’s data pipeline ecosystem and enabling higher reliability, better
Date of birth
18-12-1996 monitoring, and improved automation.
Gender Developed SSRS dashboards and automated multi‑stage reporting pipelines,
Male improving visibility and reducing manual workload for business teams.
Nationality Automated dataset authorization workflows across multiple BigQuery projects,
Ukrainian standardizing access control and removing operational overhead.
Marital status Optimized partner‑export data preparation pipelines, achieving a 10× increase in
Single performance through architectural improvements and SQL tuning.
LinkedIn Reduced BigQuery compute and storage costs by 2× via clustering, partitioning, query
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goncharenko-12b901161 optimization, and elimination of redundant scans.
Implemented automated data‑masking logic across BigQuery datasets, ensuring
secure handling of sensitive fields and compliance with internal governance policies.
Interests
Performed deep debugging, refactoring, and reliability improvements of legacy
Snowboarding SQL/ETL processes, significantly reducing failure rates and compute time.
Travelling
DBA Aug 2020 - May 2022
Listex, Kiev
Languages Managed and optimized a distributed MySQL infrastructure, including master–master
English and master–slave replication setups, ensuring high availability and minimal replication
lag.
Ukrainian
Automated key operational workflows using Bash and Linux tooling, significantly
Russian
reducing manual maintenance and improving system reliability.
Designed and optimized database schemas, indexes, and query execution plans,
improving performance across critical high‑load services.
Deployed and administered production environments, including database servers,
monitoring systems, and internal tooling.
Implemented monitoring for replication health, database performance, and system
stability, enabling early detection of bottlenecks and incidents.
Installed, configured, and maintained Jira, ELK Stack, and Metabase BI, integrating
them into internal workflows and improving observability.
Performed incident response, root‑cause analysis, and long‑term fixes to ensure data
consistency and minimize downtime.
Led database lifecycle operations including backups, restores, capacity planning, and
resource optimization.

Help Desk Nov 2019 - Jan 2020
Listex, Kiev
Management of timely execution of tasks in JIRA
Management of monitoring the availability of the company's IT systems
Identification of critical places in the operation of the system,drawing up those. tasks
for revision
Asterisk / Jira / Confluence support, configuration changes
Technical Support Oct 2017 - Dec 2018
Horoshop, Kiev
User support
Installing and configuring SSL certificates
Server setup
Setting up redirects
Connecting and configuring domains

Education and Qualifications
Beachelor Sept 2016 - May 2019
State University of Telecommunications, Kiev
IT department, Software engineering

Basic Sept 2012 - May 2016
College of Economics, Irpin
Computer engineering

Skills
Linux Servers
SQL
MySQL
Jira
BI
Linux
Bash
Docker
GIT
Javascript
T-SQL
BigQuery
Python

Courses
Web-design Mar 2014 - May 2014
Perspective Training Centre

Java Starter Jan 2019 - Mar 2019
ITVDN

DevOps Sept 2020 - Jan 2021
IT Hillel