Надія

NADIIA PRUDNIKOVA
Junior Data Analyst
📞 [відкрити контакти](див. вище в блоці «контактна інформація») | 📧 [відкрити контакти](див. вище в блоці «контактна інформація») | 💬 @NadiiaPrudnikova | 📍 Kyiv, Ukraine
LinkedIn: [відкрити контакти](див. вище в блоці «контактна інформація»)

SUMMARY
Database Analyst with experience in reporting, data analysis, and business process optimization. I am
currently studying Data Analytics at GoIT and continuously expanding my expertise through additional
courses and hands-on projects in Python, SQL, Excel, and data visualization. I enjoy transforming complex
data into actionable insights, identifying trends, and supporting data-driven business decisions.
In addition, I have experience with website content management and publishing blog articles using
WordPress.

HARD SKILLS: Python, SQL, Data Analysis, Data Cleaning & Validation, Data Transformation,
Exploratory Data Analysis (EDA), Statistical Analysis, A/B Testing, Data Visualization, Data Storytelling,
KPI Analysis, Business Analytics, Dashboard Development, Reporting, Conversion Rate, Retention Rate,
Churn Rate, ARPU, LTV.

TOOLS: Pandas, NumPy, Matplotlib, Seaborn, PostgreSQL, Tableau, Excel, Google Sheets, Jupyter
Notebook, Github.

SOFT SKILLS: Analytical Thinking, Problem Solving, Attention to Detail, Communication, Teamwork,
Adaptability, Time Management.

PROJECT EXPERIENCE
Stack Overflow Developer Survey Analysis | Google Colab Notebook
Tools: Python, Pandas, NumPy, Matplotlib, Seaborn
Description: Conducted analysis of Stack Overflow Developer Survey data to identify key trends in
technologies, salary levels, and professional experience.
My Tasks:
● Data cleaning and preprocessing
● Exploratory data analysis
● Trend analysis (technologies, salary, experience)
● Data visualization and insight generation
● Presentation of findings
Result: Identified key industry trends and provided insights into developer technologies, compensation,
and experience distribution.

User Retention Analysis (Cohort Analysis) | Cohort Analysis Dashboard
Tools: SQL, PostgreSQL, Google Sheets
Description: Conducted cohort analysis to evaluate user retention and compare the performance of
acquisition channels.
My Tasks:
● Data extraction using SQL queries
● Cohort definition and segmentation
● Retention rate calculation
● Channel performance comparison
● Data aggregation in Google Sheets
Result: Identified retention patterns and the most effective acquisition channels based on user
engagement over time.

A/B Testing Analysis | Google Colab Notebook
Tools: Python, Pandas, NumPy, Statsmodels, Tableau
Description: Conducted statistical analysis of A/B testing results to evaluate conversion performance and
user behavior.
My Tasks:
● Data preparation and validation
● Conversion rate analysis
● Hypothesis testing
● Statistical significance testing
● Dashboard creation and presentation of findings
Result: Identified the most effective variation and provided data-driven recommendations for improving
conversion rates.

WORK EXPERIENCE
Computer Systems Analyst / Data Analyst | PJSC MHP
2007 – 2015
● Analyzed telecommunications expenses and usage data across multiple business units.
● Developed analytical reports, forecasts, and cost optimization recommendations.
● Monitored KPIs and supported data-driven decision-making.
● Collaborated with suppliers and internal stakeholders.
● Standardized reporting and documentation processes.
Achievement: Implemented cost optimization initiatives and improved expense monitoring and reporting
processes.
Assistant | LLC Amrita
2006 – 2007
● Analyzed sales performance data.
● Prepared analytical reports and presentations.
● Identified opportunities to improve sales performance.
Achievement: Supported management decision-making through regular reporting and analysis.

EDUCATION

IT School GoIT National Technical University of Ukraine "Igor
Data Analytics Program | 2025–2026 Sikorsky Kyiv Polytechnic Institute"
Specialist Degree, Automation and Computer
Integrated Technologies | 2001–2007

LANGUAGES
English — Pre-Intermediate
Ukrainian — Native