• Grew and mentored the data science and analytics team from 4 to 14+ across Sub-Saharan Africa, establishing data catalog practices and a domain-oriented data mesh strategy through close collaboration with domain leads.
• Drove a 42.57% reduction in Google Cloud costs in a single quarter by guiding the team through data model redesign, BigQuery warehouse schema optimization, and ETL/ELT pipeline tuning while maintaining SLA on data freshness and integrity.
• Led the development of ML-based fraud screening and financial transaction monitoring pipelines, reducing field agent payment processing time by 7x and delivering a Group Financial Closing Database for enterprise-wide performance monitoring.
• Enhanced analytics capabilities and fostered a data-driven culture by co-developing with the team a streamlined, domain-oriented data governance strategy across the group.
• Fueled innovation and operational efficiency by partnering with Product and Business teams to integrate advanced analytics and machine learning features into mobile apps and internal platforms.