Best Ohah
@bestohah
Data Analyst and BI analyst turning complex data into risk-focused insights and faster decisions.
What I'm looking for
I’m a Data Analyst/Business Intelligence Analyst with 3+ years of experience across fintech, agritech, and health tech. I currently support risk and compliance analytics at Flutterwave, turning raw data into clear business decisions through complex SQL, dashboarding, and operational reporting.
Across roles, I’ve built and maintained 20+ Power BI dashboards, automated recurring reporting with Python, and optimized queries in BigQuery and PostgreSQL to deliver ad-hoc analysis within hours. I also bring analytical rigor—cohort, funnel, retention/churn, and A/B testing—along with strong data quality and geospatial validation (QGIS) to prevent inaccurate data from reaching stakeholders.
Experience
Work history, roles, and key accomplishments
Built and maintained a portfolio of 20+ Power BI dashboards covering transaction performance, revenue flows, and merchant behavior across risk and compliance teams. Developed credit risk and KYC compliance dashboards that reduced reporting time from hours to minutes and automated recurring Python-based reports.
Data Analyst
iSDA Africa
Nov 2025 - Apr 2026 (5 months)
Built a 6-page Power BI and Metabase monitoring dashboard from scratch, providing visibility into plot activity and farmer metrics across 1M+ plots and 50,000+ farmers. Conducted QGIS-based geospatial validation, flagging an average of 20% of incoming registrations as invalid to prevent inaccurate or fraudulent data from entering onboarding.
Interim Strategic Data Lead
Ruto AI
May 2025 - Sep 2025 (4 months)
Built self-serve Power BI dashboards powered by BigQuery SQL, surfacing vendor segmentation, funnel drop-offs, onboarding health, and advertising channel performance for product and growth teams. Identified lifecycle bottlenecks and contributed to a 17% improvement in onboarding completion.
Data Analyst
EHealth4Everyone
Feb 2025 - Jun 2025 (4 months)
Built an interactive Tableau dashboard visualizing 40,000+ health facility records across Nigeria to support data-informed planning for government and donor-funded health programs. Validated and cleaned large datasets in Excel to ensure integrity and consistency before integration into centralized databases.
Head of Academy & Data Analyst
Axia Hub
Feb 2024 - Jul 2024 (5 months)
Led end-to-end data analysis for a transport and logistics client, evaluating year-on-year growth, retention, and revenue trends to support strategic expansion. Managed academy recruitment and delivery, improving training overhead by 15% and growing enrollment by 25% within 6 months while training analysts in SQL, Power BI, Excel, and Python.
Lead Data Analytics Instructor
Led live, hands-on training for EU-based cohorts of 200+ learners, teaching SQL, Excel, Power BI, and Tableau through a structured data analytics curriculum. Collaborated on curriculum refinement, maintained an 80% course completion rate, and mentored learners on project-based work to reach job-ready skills.
Education
Degrees, certifications, and relevant coursework
Turing College
Data Analytics, Data Analytics
2024 -
Completed a Data Analytics program at Turing College from May 2024 to November 2024.
University of Nigeria
Bachelor of Science, Geology
Earned a Bachelor of Science in Geology at the University of Nigeria.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
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