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I am an analytical and results-driven BI professional with over 7 years of experience delivering actionable insights, dashboards, and data-driven solutions. I transform complex datasets into meaningful business intelligence using Power BI, Tableau, and SQL. I partner with business, data engineering, and product teams to improve decision-making and identify growth opportunities. I am open to remote and contract projects across Canada. In my spare time I enjoy mentoring junior analysts and staying current with the latest BI trends.…I am an analytical and results-driven BI professional with over 7 years of experience delivering actionable insights, dashboards, and data-driven solutions. I transform complex datasets into meaningful business intelligence using Power BI, Tableau, and SQL. I partner with business, data engineering, and product teams to improve decision-making and identify growth opportunities. I am open to remote and contract projects across Canada. In my spare time I enjoy mentoring junior analysts and staying current with the latest BI trends.

Valentyn Demchuk

Data Analyst, Data Scientist, AI Engineer, +2

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I am an analytical and results-driven BI professional with over 7 years of experience delivering actionable insights, dashboards, and data-driven solutions. I transform complex datasets into meaningful business intelligence using Power BI, Tableau, and SQL. I partner with business, data engineering, and product teams to improve decision-making and identify growth opportunities. I am open to remote and contract projects across Canada. In my spare time I enjoy mentoring junior analysts and staying current with the latest BI trends.…I am an analytical and results-driven BI professional with over 7 years of experience delivering actionable insights, dashboards, and data-driven solutions. I transform complex datasets into meaningful business intelligence using Power BI, Tableau, and SQL. I partner with business, data engineering, and product teams to improve decision-making and identify growth opportunities. I am open to remote and contract projects across Canada. In my spare time I enjoy mentoring junior analysts and staying current with the latest BI trends.

Available to hire

I am an analytical and results-driven BI professional with over 7 years of experience delivering actionable insights, dashboards, and data-driven solutions. I transform complex datasets into meaningful business intelligence using Power BI, Tableau, and SQL. I partner with business, data engineering, and product teams to improve decision-making and identify growth opportunities. I am open to remote and contract projects across Canada.
In my spare time I enjoy mentoring junior analysts and staying current with the latest BI trends.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior BI Developer at Kyivstar (Telecom Operator)

September 1, 2025 - September 1, 2025

Led design and delivery of advanced Power BI dashboards and SQL-based analytics to support marketing and operational decisions for over 20 million subscribers. Automated ETL and data preparation pipelines using Python and SQL, improving reporting efficiency by 40%. Partnered with cross-functional teams to develop KPI frameworks and ensure alignment with data governance standards. Delivered insight-driven dashboards for customer segmentation, product performance, and A/B testing analytics. Mentored junior analysts and drove adoption of best practices in Power BI, DAX, and data storytelling.

Senior Operations Research Analyst at Kyivstar

March 1, 2022 - March 1, 2022

Developed analytical models and dashboards for performance tracking and churn prediction. Collaborated with IT and BI teams to migrate legacy reports to Power BI and SQL Server. Conducted deep data analysis of customer behavior, product uptake, and retention KPIs.

Lead Operations Research Analyst at Kyivstar

July 1, 2019 - July 1, 2019

Managed analytics of contact center and network operations. Introduced SQL-based data validation and Power BI visualizations that improved operational reporting accuracy.

Process Automation Manager at Raiffeisen Bank Aval

December 1, 2018 - December 1, 2018

Built automated data quality monitoring and compliance dashboards in SQL Server / SSRS. Streamlined AML and regulatory reporting workflows, cutting manual effort by 30%.

Data & Risk Analyst at UniCredit Bank

January 1, 2017 - January 1, 2017

Contributed to data quality initiatives, risk analytics, and regulatory reporting across the bank.

Economist at Delta Bank

January 1, 2013 - January 1, 2013

Conducted macroeconomic and financial analysis to support strategic planning and reporting.