Андрій

Andrii Lytvynenko
Data Analyst / Product Analyst
[відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація») Dnipro, Ukraine Linkedin GitHub

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SUMMARY
Data Analyst with a strong background in marketing analytics and data-driven decision-making. Experienced in
building dashboards, optimizing marketing funnels, and uncovering insights that drive growth. Skilled in SQL
(PostgreSQL, Metabase) and Python (Pandas, NumPy, Matplotlib) for data analysis, automation, and visualization.
Hands-on experience in customer segmentation, campaign performance analysis, KPI tracking, and evaluating
marketing experiments (statistical significance, hypothesis testing, A/B approach). Combines technical expertise with
business understanding, bridging the gap between analytics and marketing strategy.
Curious and highly motivated professional who enjoys learning new tools, diving deep into complex data problems,
and working hard to deliver meaningful results. Open to Data Analyst or Product Analyst roles where I can apply
analytical thinking and creativity to help teams make data-backed decisions and improve product performance.

WORK EXPERIENCE
DATA ANALYST → HEAD OF MARKETING
Egroshi | May 2024 – October 2025
Started as a Data Analyst, responsible for building SQL queries (PostgreSQL, Metabase), dashboards, and
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automating marketing reporting processes.
Conducted customer base analysis, user segmentation, and calculated key performance metrics such as signing rate,
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entry rate, and repeat conversion.
Worked with complex SQL queries (CTEs, window functions, JSONB unpacking) to build advanced analytics.
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Developed internal dashboards in Metabase and Excel/Google Sheets to monitor marketing KPIs.
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Evaluated the results of marketing experiments, promo campaigns, and discount tests (A/B approach, hypothesis
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testing, statistical significance analysis).
Later promoted to Head of Marketing, combining marketing strategy management with data analytics.
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Led a team of analysts and marketers, leveraging GA4, Google Ads, Affise, PMax, and UAC to optimize
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performance.
Implemented a data-driven approach to decision-making and advertising budget management, which resulted in a
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measurable 10% increase in marketing ROI.

IT SALES MANAGER
POSTER | October 2018 – May 2021
Promoted and sold the company's POS solutions, including cash register and accounting software, to restaurant
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businesses.
Assisted in the seamless integration and implementation of these POS solutions in various restaurant settings.
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Conducted thorough training sessions to ensure restaurant staff were proficient in using the cash program and
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related hardware.
Represented the company at industry exhibitions and successfully showcased POS offerings to a wider audience.
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SKILLS
Programming & Data Analysis: Python 3.7+ (Pandas, Databases & Data Warehousing: PostgreSQL, BigQuery,
NumPy, Matplotlib), Jupyter Notebook, OOP MySQL (basic), SQLite, Redis, MongoDB
Data Visualization & BI: Metabase, Tableau, Google Analytics & Statistics: A/B testing, hypothesis testing,
Sheets, Excel statistical significance analysis, marketing analytics, ROI
analysis
Web & Marketing Analytics: GA4, Google Ads, Affise,
UAC, PMax Reporting & Automation: SQL (CTEs, window functions,
JSONB), ETL-like pipelines, dashboard automation
Reporting & Automation: SQL (CTEs, window functions,
JSONB), ETL-like pipelines, dashboard automation Frameworks & Tools: Django (basic), Flask (basic), Git,
GitHub, Trello, Notion, Pytest
Cloud & Infrastructure: GCP (BigQuery, basic
understanding) Methodologies: Agile (Scrum, Kanban), SDLC, data-
driven decision-making
Soft Skills: Leadership, cross-functional collaboration,
problem-solving, adaptability, curiosity

SELF-EDUCATION
Python Full-time Course, Mate Academy

Python Marathon, SoftServe IT Academy 2022

Python Pro, Hillel IT School 2021

LANGUAGES
English
Strong Intermediate

EDUCATION
Dnipropetrovsk National Railway University, Specialist in Information Technologies 2013