Sergio Gonçalves
@sergiogonalves
I build Power BI dashboards and SQL analyses that improve reporting speed, data quality, and operational decisions.
PortugalWhat I'm looking for
At Arkia, I built five interactive Power BI dashboards and BigQuery SQL queries that reduced weekly reporting time by 40% and accelerated access to critical information by 50%.
I've also consolidated financial data for Centro Paroquial de Paderne and developed churn and retail sales analytics projects using SQL, Power BI, DAX, Power Query, Excel, and ETL processes.
Experience
Work history, roles, and key accomplishments
Data Analysis Intern
ARKIA
Sep 2025 - Mar 2026 (6 months)
Developed 5 interactive Power BI dashboards using DAX and Power Query, reducing weekly reporting time by 40%. Built complex SQL queries in BigQuery, accelerating access to critical information by 50%.
Financial Data Analyst
Centro Paroquial de Paderne
Nov 2021 - May 2024 (2 years 6 months)
Analyzed and consolidated monthly financial data in advanced Excel using pivot tables, VLOOKUP and macros, reducing month-end closing time by 25%. Structured and maintained financial databases with over 10,000 records per year, ensuring data integrity and traceability for audits.
Education
Degrees, certifications, and relevant coursework
Escola Data Tech Florida
Master of Data Analytics, Data Analytics
2025 - 2026
Master of Data Analytics program covering advanced SQL, data modeling, Power BI, DAX, storytelling with data, applied statistics, and A/B testing.
Tech stack
Software and tools used professionally
Availability
Location
PortugalAuthorized to work in
Salary expectations
Job categories
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