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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

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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DataCamp Course Completion

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

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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