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Isachenko Andrii

I'm Data Analyst

About

Isachenko Andrii - Data Analyst Ukraine

Andrii Isachenko

Data Analyst | Open to work

Summary

Data Analyst with experience in analyzing complex datasets and transforming data into actionable insights. Proficient in Excel, Google Sheets, SQL, and basic Python (Pandas, NumPy), with hands-on experience in data visualization using Looker, Tableau, and Power BI. Motivated to grow in data analytics and support data-driven decision-making.

  • Location: Ukraine
  • Work format: Remote

Skills

Skills of working with data at all stages: collection, cleaning, analysis, visualization and automation of reporting using SQL, Python and BI tools.

Excel / Sheets 90%
SQL 85%
Python 75%
AI Tools 90%
PowerPoint / Presentations 90%
Looker Studio 80%
Tableau Public 90%
Power BI 85%

Resume

A data analyst who combines management experience and technical skills to make decisions based on data

Specialized Education

IT SCHOOL "GOIT"

2025 - 2026

Data Analysis

  • Data analysis basics (ETL, EDA, Sheets, SQL, BigQuery)
  • Python (Pandas, NumPy, SeaBorn, Matplotlib) + A/B testing
  • Data visualization and BI tools (Looker, Tableau, Power BI)
  • AI for Data Analytics (Gemini, ChatGPT, Copilot, Pandas AI)

Education

NAU "KHAI"

2006 - 2007, Specialist

Organizational Management

Integration of management skills with sales analytics and forecasting

KEIM (ECOMEN)

2002 - 2006, Bachelor

Management

Management of business processes and the team based on data analysis

Work Experience

Senior sales consultant

2024 - 2025

"EPICENTR K" LLC

  • Analysis of sales and KPI
  • Assortment and inventory management
  • Client analytics
  • Forecasting and planning
  • Team effectiveness

Achievements: career growth - from an intern to a senior salesperson in less than a year, which confirms the ability to quickly adapt, learn and deliver results

Engineer of ASKOE

2024

"POLTAVAOBLENERGO" JSC

  • Commercial electricity metering.
  • Setup and maintenance of accounting systems
  • Control and reporting

Portfolio

Practical projects on data analysis, construction of KPI-dashboards and automation of reporting in SQL and Python.


  • All
  • Sheets
  • SQL
  • Python
  • Visualization
ABC/XYZ Analysis - Data Analytics Project

ABC/XYZ Analysis

Brazilian E-Commerce Sales & Inventory Optimization

SQL Data Analysis Project

User Funnel

Full Sales Funnel Analysis

Big Data Analysis - Stack Overflow Survey

Big Data

Stack overflow software developer survey analysis

Data Visualization Project

Looker Sudio

E-Commerce Sales Performance Dashboard

Data Analysis Project

Power BI

Average Salary in Ukraine for December 2025

A/B Test - Conversion Optimization

A/B Test

Subscription screen conversion optimization

Data Visualization Project

Project name

Coming soon to my GitHub

SQL Analysis Project

Project name

Coming soon to my GitHub

Python Data Analysis Project

Project name

Coming soon to my GitHub

Services

Need help with data processing and analysis, dashboard building, and automated reporting to support business decisions? Contact me!

Data Acquisition

Configuring data flows from internal databases (SQL), external services via APIs and websites. Creating a single repository of information from all available sources.

Data Cleaning

Quality check, removal of duplicates and correction of errors in data sets. Bringing disparate information into a single format suitable for correct analysis.

Data Analysis

Calculating key performance indicators (KPIs), finding hidden patterns, and testing business hypotheses. Transforming numbers into concrete conclusions about the causes of business changes.

Data Visualization

Development of interactive dashboards and graphs that clearly reflect the state of affairs. Creation of tools for quick visual monitoring of processes in real time.

Reporting

Preparation of regular analytical reports and presentations with clear recommendations for management. Adaptation of complex technical conclusions to the requests of the business customer.

Automation

Creating scripts and systems for automatic report updates without human intervention. Setting up instant notifications about critical changes in indicators.

Articles

Thoughts on data analytics, SQL, Python and BI tools — practical insights from real projects.

AI data analysis in 2026

AI-Assisted Data Analysis in 2026

How to use ChatGPT, GitHub Copilot and PandasAI to work 3× faster — with real prompts and code examples.

Read
dbt for Data Analysts in 2026

dbt for Data Analysts in 2026

Modern SQL transformation with dbt Core: models, tests, documentation and lineage — no engineering background needed.

Read
Cohort Analysis & Retention in Python

Cohort Analysis & Retention in Python

Build a retention matrix, heatmap and churn calculation from raw transaction data — complete guide with pandas code.

Read

Contact

I am open to work. Feel free to get in touch with me.

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