Gergo Zalavary
@gergozalavary
Analytics Engineer at Ernst & Young, building SQL data models and automated pipelines for reporting.
HungaryWhat I'm looking for
At Ernst & Young Consulting Ltd., I built an automated email-to-SQL pipeline that extracts entities from unstructured input with Azure AI NER and loads structured records for analysis. I also model and maintain SQL data structures supporting operational tracking and reporting across 10+ internal source systems.
I work with stakeholders to define metrics before building reports, delivering 25+ Power BI reports per year across Tax, HR, and Finance. Earlier, I built Power Automate flows and Power Apps that cut manual data-entry effort by about 25%, and at Allianz Technology SE I improved data-validation accuracy by about 10% through T-SQL queries and test automation.
Experience
Work history, roles, and key accomplishments
Senior Tax Digital Transformation Analyst
Jul 2025 - Present (1 year 3 months)
Designs and owns data pipelines end-to-end, including automated email-to-SQL ingestion with Azure AI NER. Maintains SQL data models and delivers 25+ Power BI reports per year across Tax, HR, and Finance.
Senior Tax Digital Transformation Analyst
Jul 2025 - Present (1 year 3 months)
Designs and owns data pipelines end-to-end, including automated email-to-SQL ingestion with Azure AI NER. Maintains SQL data models across 10+ internal systems and delivers 25+ Power BI reports annually.
Tax Digital Transformation Analyst
Mar 2024 - Jul 2025 (1 year 4 months)
Engineered ASP.NET applications and T-SQL stored procedures to automate finance and HR workflows. Built Power BI dashboards and Power Automate flows, reducing manual data-entry effort by ~25%.
Tax Digital Transformation Analyst
Mar 2024 - Jul 2025 (1 year 4 months)
Engineered ASP.NET applications and T-SQL stored procedures to automate finance and HR workflows. Built Power BI dashboards and Power Automate flows, reducing manual data-entry effort by ~25%.
Managed and structured Microsoft SQL databases supporting core business systems. Built VBA and SharePoint tools for data collection, coordinating with multiple teams to define requirements.
Managed and structured Microsoft SQL databases supporting core business systems. Built VBA and SharePoint tools for data collection, coordinating with multiple teams to define requirements.
Improved data-validation accuracy by ~10% by writing complex T-SQL queries and extending test automation for an anti-fraud system. Authored technical and user documentation for data systems and processes.
BI Working Student
Allianz Technology SE
Apr 2021 - Oct 2022 (1 year 6 months)
Improved data-validation accuracy by ~10% by writing complex T-SQL queries and extending test automation for an anti-fraud system. Authored technical and user documentation for data systems and processes.
Education
Degrees, certifications, and relevant coursework
Corvinus University of Budapest
Master of Science, Business Informatics Engineering
2024 -
Pursuing an MSc in Business Informatics Engineering with a Data Analytics specialization, including coursework in data analytics, IT strategy, and business-technology integration. Thesis: 'Interaction and Understanding - Challenges and Opportunities in Human-AI Communication.'
Corvinus University of Budapest
Master of Science, Business Informatics Engineering
2024 -
Pursuing an MSc in Business Informatics Engineering with a Data Analytics specialization, including coursework in data analytics, IT strategy, and business-technology integration. Thesis: 'Interaction and Understanding - Challenges and Opportunities in Human-AI Communication.'
Corvinus University of Budapest
Bachelor of Science, Business Informatics Engineering
2021 - 2024
Earned a BSc in Business Informatics Engineering. Thesis: 'Microsoft Power Platform - Business Software and Application Development.'
Corvinus University of Budapest
Bachelor of Science, Business Informatics Engineering
2021 - 2024
Earned a BSc in Business Informatics Engineering. Thesis: 'Microsoft Power Platform - Business Software and Application Development.'
Tech stack
Software and tools used professionally
Availability
Location
HungaryAuthorized to work in
Salary expectations
Social media
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