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Illia Sikach

Illia Sikach

BI Analyst

EPAM | Ukraine

Technologies

My Portfolio Highlights

My New Track

SQL Fundamentals

My New Project

Analyzing Students' Mental Health

My New Course

Introduction to Python

My New Track

SQL Fundamentals

Data virtuoso, transforming raw numbers into a masterpiece of understanding.

My Work

Take a look at my latest work.

course

Introduction to SQL

course

Introduction to Python

DataLab

Competition - Dance Party Songs

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course

Introduction to SQL

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Introduction to Power BI
Intermediate Python

My Work Experience

Where I've interned and worked during my career.

EPAM | Feb 2025 - Present

Senior BI Analyst

Collaborate with stakeholders to gather business requirements and conduct interviews with end users to define key data use cases. • Translate business needs into clear and structured data models to support engineering implementation. • Design and document data models and pipelines, primarily using Snowflake as the core data platform. • Perform data validation and functional testing to ensure the solutions delivered by data engineers align with technical specifications and business expectations. • Serve as a bridge between business teams and technical teams, ensuring accurate interpretation of user needs into data-driven solutions.
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Modus X | Jun 2024 - Aug 2025

Business Data Analyst

• Worked with data prepared for BI tools, including Power BI, ensuring datasets were structured, validated, and analytics-ready for dashboards and reports. • Collaborated with stakeholders to translate business requirements into analytical metrics and KPIs for visualization and decision-making. • Participated in ETL and DWH initiatives, contributing to the design and maintenance of raw and transformed data layers for analytical and operational use cases. • Documented and maintained data flows (DFD), ensuring logical, semantic, and metadata consistency across systems and environments. • Performed back-end database analysis using SQL for data profiling, validation, reconciliation, and business rule verification. • Ensured alignment between source data, transformed datasets, and business requirements across multiple environments.

My Education

Take a look at my formal education

Master in Financial and economic security managementUkrainian State University of Finance and International Trade | 2015

About Me

Illia Sikach

Data Analyst / BI Analyst with strong experience in SQL-driven data analysis, ETL processes, and data warehouse environments. Skilled in transforming business requirements into analytical data models, KPIs, and BI-ready datasets, with hands-on experi

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