Діана

DIANA BOIAKOVA
Data Analyst

CONTACT ABOUT ME
[відкрити контакти](див. вище в блоці «контактна інформація») Junior Data Analyst with hands-on experience in product metrics and
advertising analytics. Combining technical skills (SQL, Python/Pandas,
[відкрити контакти](див. вище в блоці «контактна інформація») BigQuery) with a deep understanding of business goals to identify
Telegram growth opportunities.
LinkedIn
Lviv, Ukraine Throughout my projects, I have focused on data cleaning and validation,
exploratory data analysis (EDA), building interactive dashboards in
Power BI, Tableau, and Looker Studio, as well as analyzing A/B testing
SKILLS results.

Experienced in evaluating the performance of ad campaigns and key
SQL: BigQuery, Advanced Queries, product metrics to uncover the drivers behind user engagement and
Query Optimization conversion.
Python: Pandas, NumPy, Jupyter
Notebook WORK EXPERIENCE
Spreadsheets: Google Sheets, Excel,
Data Cleaning & Validation Media Buyer
Tableau & BI: Tableau, Power BI, Freelance | 12.2024 – Present
Looker Studio
Managed and optimized Meta Ads campaigns, improving
Product & Marketing: Product conversion (CR) by 30% through A/B testing and performance
Analysis, Ad Campaigns Analysis, tracking (CTR, CPL, ROAS).
Business Metrics, Requirements Boosted incoming leads by 40% with zero budget increase by
Gathering adjusting targeting strategies based on funnel analytics.
Statistics & Testing: Probability Assistant to the Head / Analyst
Theory, Mathematical Statistics, A/B
Expert Hospital | 10.2025 – 02.2026
Testing
Other Tools: Google Analytics, Developed interactive Power BI dashboards for real-time KPI
Amplitude monitoring, replacing manual reports and saving 5+ hours weekly.
Collected, cleaned, and consolidated raw data from databases and
Langueages: English (Intermidiate)
Excel to build unified management reporting.
Analyzed periodic operational results to identify performance gaps
and streamline data collection workflows.

EDUCATION Information Specialist
Expert Hospital | 04.2023 – 02.2026
Bachelor’s Degree in Computer-Integrated
Technologies and Automation Systematized patient data in the database, ensuring accounting
accuracy and streamlining reporting.
Lviv Polytechnic National University Automated appointment dynamics reporting, reducing report prep
2022 – 2026 time by 20%.
Optimized appointment scheduling to boost request processing
speed by 25% and reduce lost leads.
CERTIFICATES
PORTFOLIO
GoIT | Data Analyst | 2026
Google | Fundamentals of Digital Marketing SQL & BigQuery Projects Link to review
Working in BigQuery with e-commerce data. Analysis of user
Course | Apr 2025 engagement metrics, behavioral data, and revenue generation.
Mark Sheludko (Instagram: mark.sheludko) |
Python Data Analysis Projects Link to review
Targeted Advertising Course | Dec 2024
Exploratory Data Analysis (EDA) for an online store using Pandas, NumPy,
and Jupyter Notebook. Data cleaning, validation, and statistical analysis.

Tableau & Power BI Dashboards Link to review
Interactive dashboards for sales analysis, product funnel evaluation,
advertising campaign performance, and A/B test results visualization.