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VIKTORIA TOTKALOVA
Data Analyst
Junior Data Analyst with a strong foundation in data analysis and
visualization, eager to contribute to data-driven decision-making.
Conducted in-depth analysis of marketing campaigns and customer
behavior, uncovering trends that enhance engagement and optimize
conversion rates. Proficient in SQL, Excel, Python (Pandas, NumPy) and
visualization tools like Tableau and Looker Studio. Seeking opportunities
to apply my analytical skills, leveraging data to optimize business
strategies and drive impactful results.

Contacts Project Experience
[open contact info](look above in the "contact info" section) Ad Spending & Performance Metrics in SaaS
[open contact info](look above in the "contact info" section) GoIT Data Analytics Course
Linkedin Tools: SQL, Looker Studio
Description: Built a dashboard to monitor ad spend and key performance
Telegram metrics, identifying trends and optimization opportunities.
Herne, Germany My tasks:
Data processing and visualization;
Ad spend and performance data analysis;
Hard Skills Providing insights for campaign improvements.
Result: Identified key ad performance drivers.
SQL
Python SaaS Onboarding Funnel Analysis
Advertasing companies GoIT Data Analytics Course
analysis Tools: SQL, Tableau Public
Description: Designed a dashboard to analyze user churn pattern,
A/B Tests pinpointing weaknesses in the conversion process and enhancing retention
tactics.
Tools My tasks:
Data processing and visualization;
BigQuery User behavior analysis;
Google Analytics 4 Providing retention improvement insights.
Result: Highlighted key data trends.
Excel & Google Sheets
Looker Studio
Work Experience
Tableau (proficient)
Power BI (basic knowledge)
Wispence
Junior Data Analyst
Soft Skills Dec 2025 - Present Time
Continued development and improvement of analytical solutions
Diligent initiated during the internship, working with BigQuery and Looker Studio.

Accurate Data Analyst Trainee
Nov 2025 – Dec 2025
Conscientious
Worked hands-on with BigQuery and Looker Studio, building functional
Quick learning skills dashboards and reports by integrating data from multiple sources.
Contributed to analytics tasks for marketing and business teams.
Languages
English - Advanced Education
Ukrainian - Native IT School GoIT Kharkiv National Medical University
Russian - Native Data Analysis Master's Degree - Medicine
Apr – Sept 2025 2017 – 2023