Олег

Oleh
Havryshkiv
Web Analyst

Experience
July 2021 - March 2023 (1.9 years)
About Me
SEARCH ENGINE OPTIMIZATION SPECIALIST
Web Analyst with a ability to Bazar.club
converting complex data into
strategic insights, I bring to the table PBN
a unique blend of practical expertise
On-Page SEO
and continuous learning.

Contact April 2023 - June 2024 (1.3 years)
WEB ANALYST
[відкрити контакти](див. вище в блоці «контактна інформація») Bazar.club

[відкрити контакти](див. вище в блоці «контактна інформація») Created more than 200 events
through Google Tag Manager;
Kyiv Created about 15 complex reports in
Microsoft Power BI using Google Big
linkedin
Query, Google Sheets, Excel, Dax;
Led the full setup of analytics for the
Skills company's website via Google
Analytics 4 and Google Tag Manager;
Google Big Query Led the implementation of analytics
Microsoft Power BI for iOS and Android apps using
Firebase;
Google Analytics 4
Developed and maintained over
Google Tag Manager numerous automated reports in
Google Sheets to support the
Python ( pandas, selenium,
marketing, sales, and SEO
numpy, airflow etc )
departments;
GTM Server side Crafted approximately 30 complex
SQL queries using Google Big Query;
Apache Airflow
Led the implementation of end to
Amazon Redshift end analytics.

Amazon S3 June 2024 - Jan 2026 (1.7 years)
API ( Google Ads, Bing Ads ) WEB ANALYST
airSlate
Git
Implementing last non-direct click
Amazon QuickSight attribution;
Automated the creation and
Google Sheets
management of Customer Match
Hotjar lists and offline conversions using
Apache Airflow and Google Ads API;
Looker studio
Designed and optimized ETL
HTML, CSS, JS ( basic ) pipelines in Apache Airflow,
integrating Amazon Redshift, Google
DBT
Ads, and S3;
Meta API Developed over 20 complex reports
in Amazon QuickSight, leveraging
multiple datasets, including cross-
Language
domain analytics for various
English - B2 products;
Designed and maintained
Ukrainian - native
documentation for analytics
processes, ensuring clarity and
consistency across teams;
Conducted in-depth behavioral
analysis using Hotjar to optimize user
experience and conversion rates;
Created and managed automated
reporting solutions to support
marketing and sales teams,
integrating data from Redshift,
Google Sheets, and other sources;
Developed and optimized SQL
queries in Amazon Redshift to
extract insights from large datasets;
Collaborated with cross-functional
teams to enhance data-driven
decision-making processes.

Jan 2026 - Present (0.6 years)
WEB ANALYST
Buki

Designed and implemented U-
shaped, Linear attribution models
using Facebook Ads API, Google Ads
API, Ga4 data, internal data,
providing accurate multi-touch
measurement;
Built and maintained 50+ dbt models
across multiple Buki product lines;
Reduced data discrepancy between
ad platforms and internal reporting
systems from over 25% to under 10%;
Created automated data quality
monitoring with alerting, proactively
catching discrepancies before they
impacted business reporting;
Collaborated with product, growth,
and engineering teams to deliver
data-driven frameworks supporting
user acquisition.

Education

(March 2023 - July 2033)

ROBOT_DREAMS

Junior Data Analyst

(April 2023 - October 2023)
COURSERA

Data Analyst

(2017 - 2022)
IVAN FRANKO NATIONAL UNIVERSITY OF LVIV

Master's degree, Economic cybernetics