Andrii Konovalov

Data analyst with a technical background since 2021, experienced in end-to-end data analysis, from data extraction and cleaning to visualization and insights generation. Proficient in SQL, Python (Pandas), Excel, and Power BI/Tableau. Skilled in A/B testing and business metrics analysis. I combine strong analytical thinking with client-facing experience to deliver actionable, data-driven solutions. English: Upper-Intermediate.

Quick Highlights

A/B tests with z-testPython significance tests turned into product decisions

Interactive Tableau dashboardsKPI, user behavior and trend analysis

JavaScript mentor, 2022 - 2024GoIT EdTech: code reviews and homework feedback

Two stores in Ukraine Top-3Online tools stores grown to Top-3 by category sales

Experience

Front-End Developer (Freelance)
Freelance
Apr 2023 - Present · 3 years 7 months
Developed responsive web applications. Fixed bugs and improved existing functionality. Collaborated with clients.
Frontend DevelopmentResponsive DesignDebugging
Mentor JavaScript (GoIT EdTech)
GoIT
Nov 2022 - Feb 2024 · 1 year 3 months
Mentored students in JavaScript. Reviewed code and provided constructive feedback. Reviewed homework and helped students debug issues.
JavaScriptCode ReviewMentoring

Projects

SQL Project: account creation trends and email activity analysis
Data collection to analyze account creation trends, email activity (sends, opens, clicks), and user behavior across sending intervals, verification, and subscription status.
SQL
Tableau Projects: KPI, user behavior and trend dashboards
A set of interactive Tableau dashboards for analyzing KPIs, user behavior, and trends, with data cleaning, data modeling, and visualization.
TableauData Visualization
Python Project: A/B test analysis
Analyzed A/B test results using Python, applying z-test to assess statistical significance of key metrics and transforming raw data into actionable insights for product decisions.
PythonA/B TestingStatistics

Tools

ChatGPT

Education

Master-equivalent Degree in Technical and Pedagogical Education (Engineering, Drawing & Automotive Studies)
Kherson State University
2002 - 2007

Languages

EnglishIntermediate
SpanishIntermediate
UkrainianNative

Andrii Konovalov

Quick Highlights

Experience

Front-End Developer (Freelance)

Mentor JavaScript (GoIT EdTech)

Projects

SQL Project: account creation trends and email activity analysis

Tableau Projects: KPI, user behavior and trend dashboards

Python Project: A/B test analysis

Tags

Tools

Education

Master-equivalent Degree in Technical and Pedagogical Education (Engineering, Drawing & Automotive Studies)

Languages

Hobbies

Followers2

Liked by2

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