Cristina Voicu
@cristinavoicu1
Senior BI & SQL consultant delivering scalable ETL, data warehousing, and dashboards for decisions.
What I'm looking for
I’m a Senior Business Intelligence and SQL Consultant with 10+ years of experience in SQL development, ETL pipelines, data warehousing, and BI reporting. I deliver scalable data solutions and help teams improve business decision-making with clear, data-driven insights using Tableau, Power BI, and Oracle BI.
In my recent work, I developed and optimized Tableau dashboards, improving reporting efficiency by 40%, and implemented data governance and data quality frameworks, reducing data errors by 30%. Previously, I optimized SQL and ETL processes for Oracle BI solutions (improving performance by 35%), built QlikView/Qlik Sense reporting with reliable ETL delivery, and reduced manual reporting by 50% through Power BI, SSRS, and Excel automation.
Experience
Work history, roles, and key accomplishments
Business Intelligence Analyst
BRD – Groupe Société Générale
Sep 2023 - Dec 2025 (2 years 3 months)
Developed and optimized Tableau dashboards, improving reporting efficiency by 40%. Implemented data governance and data quality frameworks, reducing data errors by 30%.
Optimized complex SQL queries and ETL processes, improving performance by 35%. Developed and delivered Oracle BI solutions and supported data integration and reporting across multiple applications.
Data Mining & BI Specialist
BCR Asigurari de Viata
Aug 2020 - Apr 2021 (8 months)
Developed SQL-based reports and dashboards using QlikView and Qlik Sense. Built and maintained ETL pipelines to ensure accurate, timely data delivery and improve reporting speed for business stakeholders.
Designed and developed ETL pipelines for post-trade data across EMEA, APAC, and NA. Built Power BI, SSRS, and Excel reports, reducing manual reporting by 50%, and provided production support with performance tuning for BI systems.
Senior IT Support Engineer
Top To Toe
Jun 2016 - Aug 2017 (1 year 2 months)
Provided SQL database support and troubleshooting while maintaining IT systems to ensure SLA compliance. Supported production reliability through timely incident resolution and system maintenance.
Education
Degrees, certifications, and relevant coursework
University of Westminster
Master of Science, Big Data Technologies
Completed an MSc in Big Data Technologies at the University of Westminster.
University of Westminster
Bachelor of Science, Business Information Systems
Completed a BSc in Business Information Systems at the University of Westminster.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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