Available to hire
Hi, I’m Stephen Boa, a Senior Data Analyst and Power BI specialist with 7+ years delivering fast, accurate dashboards and reporting for operational leaders. I translate ambiguous requirements into clear visuals, validated metrics, and lightweight documentation that enable self-service decision-making.
I excel at turning business questions into semantic models and dashboards, validating data quality, and enabling stakeholders through walkthroughs, job aids, and release notes. I thrive in remote-first environments and continuously streamline data pipelines to improve efficiency and decision speed.
Skills
Work Experience
Senior Data Analyst at Amazon
January 1, 2024 - PresentLed SQL-based revenue modeling and created BI dashboards (Tableau, QuickSight, Power BI) adopted by 200+ stakeholders; translated urgent reporting needs into dashboards, refined navigation and KPI clarity for non-technical users; built and maintained semantic models and DAX measures to standardize metrics; validated outputs against source data and documented business rules; optimized transformations for performance.
Research Analyst at Georgia State University
August 1, 2022 - December 1, 2023Supported data-driven research using R and SAS; achieved 90% R-squared in house price prediction; built an SVD-based recommender with 84% accuracy; predicted subreddit affiliations with 98.96% accuracy using SVM.
Data Analyst at Access Bank PLC (African’s Largest Retail Bank)
February 1, 2018 - August 1, 2022Analyzed 100M+ e-payment transactions with SQL & Python to detect fraud, reducing chargeback rates; built Power BI dashboards improving cash forecast accuracy by 35% on $150M+ daily transactions; identified fraud trends to support risk management; created operational dashboards and QA routines to ensure KPI reliability; standardized data outputs via reusable templates and rigorous data validation.
Education
Master of Science, Mathematics at Georgia State University
January 11, 2030 - May 1, 2024Bachelor of Science, Mathematics at Federal University of Technology, Akure
August 1, 2016 - January 15, 2026Qualifications
Google Data Analytics Professional Certificate
January 11, 2030 - January 15, 2026AWS Certified Cloud Practitioner
January 11, 2030 - January 15, 2026Agile Project Management
January 11, 2030 - January 15, 2026Industry Experience
Software & Internet, Financial Services, Education, Retail, Professional Services
Skills
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