I’m a Power BI specialist who helps clients quickly turn existing dashboards into clean, accurate, and user-friendly reporting tools. With over seven years of experience, I focus on rapid dashboard edits, DAX updates, performance tuning, and visual clarity—often delivering results within hours. I work independently, communicate clearly, and prioritize quality and usability, making me a reliable choice for urgent or short-term Power BI projects.

Borbala Mester

PRO

I’m a Power BI specialist who helps clients quickly turn existing dashboards into clean, accurate, and user-friendly reporting tools. With over seven years of experience, I focus on rapid dashboard edits, DAX updates, performance tuning, and visual clarity—often delivering results within hours. I work independently, communicate clearly, and prioritize quality and usability, making me a reliable choice for urgent or short-term Power BI projects.

Available to hire

I’m a Power BI specialist who helps clients quickly turn existing dashboards into clean, accurate, and user-friendly reporting tools. With over seven years of experience, I focus on rapid dashboard edits, DAX updates, performance tuning, and visual clarity—often delivering results within hours. I work independently, communicate clearly, and prioritize quality and usability, making me a reliable choice for urgent or short-term Power BI projects.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
French
Intermediate
Hungarian
Fluent

Work Experience

Cloud Solutions Architect at Microsoft Canada
January 1, 2022 - December 31, 2023
Designed structured reporting frameworks and reusable templates for enterprise clients. Delivered walkthroughs, documentation, and client-facing presentations. Gathered requirements and aligned technical reporting solutions with business needs.
Systems Analyst at MSI / Bell Canada
January 1, 2021 - December 31, 2022
Cleaned and prepared large datasets for reporting and audits. Conducted root cause analysis for data inconsistencies and improved workflows.
Full Stack Developer at Finisher Pixs
January 1, 2020 - December 31, 2021
Enhanced system logic, data structure, and workflow reliability. Modernized legacy systems and improved UI/UX for data-driven tools.
Cloud Data Analyst at Bank of Canada
May 1, 2023 - Present
Developed automated Power BI dashboards to visualize security posture, vulnerabilities metrics, and analytics across Microsoft 365, Defender, and Fabric environments. Validated data accuracy and enforced governance across pipelines, ensuring reliable cybersecurity reporting. Integrated datasets using Fabric, ServiceNow, Terraform, Graph API, Log Analytics, Event Hubs, and SQL. Identified risks, algorithm issues, system maps, and performance bottlenecks impacting security operations. Conducted structured reviews sessions, documented findings, and provided continuous improvement recommendations. Collaborated with engineering and cybersecurity teams to enhance monitoring, remediation, and detection processes.
Systems Analyst at MSI Corporation / Bell Canada
December 1, 2021 - December 1, 2022
Executed troubleshooting, system analysis, and customer account technical support. Investigated errors using Citrix, BC RIS, Multi-view, and Single View to guarantee timely issue resolution. Supported continuous service improvements through meticulous documentation and root cause analysis.
Full Stack Developer at Pixs Canada
March 31, 2020 - February 28, 2021
Revamped legacy systems by migrating websites from PHP to Laravel for enhanced performance and maintainability. Aligned UI/UX design and functionality with customer specs and enterprise design requirements. Engineered modular, efficient backend components and conducted code reviews to ensure quality and scalability.
Cloud Data Analyst / Cyber Security at Bank of Canada
May 1, 2023 - Present
Developed automated Power BI dashboards to visualize security posture, vulnerability metrics, and analytics across Microsoft 365, Defender, and Microsoft Fabric environments. Validated data accuracy and enforced governance across pipelines to ensure reliable cybersecurity reporting. Integrated datasets using Fabric, ServiceNow, Graph API, Log Analytics, Event Hubs, and SQL. Identified risks, algorithm issues, system maps, and bottlenecks impacting security operations. Conducted structured reviews, documented findings, and provided continuous improvement recommendations. Collaborated with engineering and cybersecurity teams to enhance monitoring, remediation, and detection processes.
Senior Power BI Developer — Independent Consultant at Independent Consultant
November 1, 2024 - Present
Edited and enhanced existing Power BI dashboards on short notice to reflect updated metrics, calculations, and visual requirements. Improved dashboard clarity and usability through layout refinements, consistent formatting, and intuitive filtering. Optimized DAX calculations and visuals to ensure fast load times and accurate results. Delivered production-ready dashboards within hours of assignment. Provided brief documentation and live walkthroughs to explain dashboard features and usage to clients.
Senior Power BI Developer / BI Specialist at Enterprise Clients (Banking & Public Sector)
May 1, 2023 - Present
Enhanced and maintained production Power BI dashboards supporting executive, regulatory, and operational reporting. Implemented business-requested changes to KPIs, calculations, and visuals with a focus on data accuracy. Applied visualization best practices and performance optimization; supported ad hoc reporting requiring rapid delivery.

Education

Diploma - Interactive Media Design (Internet Applications & Web Programming) at Algonquin College
January 1, 2019 - June 1, 2021
Diploma at Algonquin College
January 1, 2019 - June 1, 2021
Diploma at Algonquin College, Ottawa
January 11, 2030 - December 28, 2025

Qualifications

Microsoft Certified: Power BI Data Analyst Associate
January 11, 2030 - December 8, 2025
Microsoft Certified: Azure Data Fundamentals
January 11, 2030 - December 8, 2025
CompTIA Security+
January 11, 2030 - December 8, 2025
AI 102: Azure AI Engineer Associate
January 11, 2030 - December 8, 2025
Microsoft Certified: Azure AI Engineer Associate
January 11, 2030 - December 8, 2025
Microsoft Certified: Power BI Data Analyst Associate
January 11, 2030 - December 8, 2025
Microsoft Certified: Azure Data Fundamentals
January 11, 2030 - December 8, 2025
Microsoft Certified: AI Engineer Associate
January 11, 2030 - December 8, 2025
Microsoft Certified: Power BI Data Analyst Associate
January 11, 2030 - December 28, 2025
Microsoft Certified: Azure Data Fundamentals
January 11, 2030 - December 28, 2025

Industry Experience

Software & Internet, Professional Services, Computers & Electronics, Telecommunications, Media & Entertainment, Other, Financial Services, Government