Open to opportunities

Chisom Christabel Amaubosi

@chisomchristabelamau

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Remote-ready BI team leader delivering measurable business impact with SQL, Power BI, and data governance.

Nigeria

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What I'm looking for

I’m looking for a remote-ready BI leadership role where I can build governed analytics platforms, modernize dashboards, and lead high-performing analyst teams—delivering measurable cost, risk, and productivity outcomes with SQL, BI tooling, and automation.

I’m a remote-ready BI team leader with 7+ years delivering measurable business impact across banking, HR, and fintech. I specialize in turning complex data into executive-ready reporting, with a strong focus on governance, risk, and operational excellence.

At Sterling Bank, I’m currently leading 8+ analysts while managing international contracts. I led an enterprise-wide migration from Power BI to Apache Superset, reducing annual licensing costs by 100% ($75k+ savings) and supporting 500+ concurrent users.

I’ve managed end-to-end migration of 75+ dashboards with automated conversion scripts to ensure zero data loss across banking departments. I also architected Superset infrastructure integrations (SQL Server, PostgreSQL), Active Directory authentication, and enterprise-grade security configurations.

Previously, as a Senior Data Analyst, I built the Global Loan Analysis Dashboard and Enterprise Risk Management Dashboard, mitigating overexposure risks by 25% and improving ERM visibility. I’ve delivered outcomes like ₦195M+ cost savings (34% churn reduction), ₦500M fraud prevention, and 50% productivity gains through automation and data-driven BI transformation.

Experience

Work history, roles, and key accomplishments

Current

Team Lead BI & Data Analysis

Current

Sterling Bank

Jul 2025 - Present (1 year)

Led enterprise-wide migration from Power BI to Apache Superset, reducing annual licensing costs and supporting 500+ concurrent users. Managed 75+ dashboard migrations and led a team of 8+ analysts while optimizing SQL performance for high transaction volumes.

Power BI Apache Superset T SQL PostgreSQL MSSQL Python SSIS Azure Data Factory ETL Dashboard Migration Apache Superset Infrastructure Active Directory Data Governance SQL Query Optimization

Senior Data Analyst

Sterling Bank

May 2023 - Jun 2025 (2 years 1 month)

Designed and implemented Global Loan Analysis and Enterprise Risk Management dashboards to improve risk oversight and mitigate overexposure. Reduced report generation time by 30%, supported data governance practices, and mentored analysts.

Risk Management Executive and Enterprise Dashboards Data Visualization SQL Power BI Data Governance Mentor Predictive Analytics

BI & Data Analysis

Bayzat

Jan 2023 - Jan 2024 (1 year)

Created and deployed interactive Looker dashboards to reduce report generation time by 60% and enhance real-time sales analytics. Analyzed churn to reduce it by 30%, collaborating across UAE–Nigeria time zones and delivering milestones with 100% client satisfaction.

Looker Data Visualization Dashboarding Real Time Analytics

Data Analyst

Sterling Bank

Sep 2018 - May 2023 (4 years 8 months)

Reduced customer churn by 34% within 12 months using predictive analytics and targeted retention strategies, saving approximately ₦195M. Built SQL and Power BI reporting that improved fraud mitigation, reduced NPL by 15%, and streamlined data management workflows.

Predictive Analytics SQL Power BI Fraud Analytics Risk Reporting Data Governance Data Platform Support Automation

Database Administrator Intern

National Institute of Information Technology (NIIT)

Jan 2015 - Present (11 years 6 months)

Assisted with database administration and maintenance to support optimal performance and security. Helped senior database administrators troubleshoot and resolve database-related issues.

Database Administration Performance Optimization Database Security Troubleshooting