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Chukwuma Charleson

@chukwumacharleson

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Full-Stack Data & AI Professional with 7+ years experience across the entire data lifecycle.

Nigeria

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What I'm looking for

I am looking for opportunities that foster innovation and allow me to leverage my data science and analytics skills to drive impactful solutions.

Full-Stack Data & AI Professional with over 7 years of experience spanning the entire data lifecycle, from robust Data Engineering and MLOps to advanced Machine Learning, LLM Applications (RAG), and Graph AI.

Proven expertise in designing, developing, and deploying scalable, data-driven solutions that significantly reduced fraud by 45% and saved over $860K in monthly chargeback losses.

Adept at translating complex data into actionable business intelligence, driving strategic decision-making, and enhancing operational efficiency.

Seeking to leverage deep technical acumen and end-to-end project management capabilities to lead impactful data and AI initiatives.

Experience

Work history, roles, and key accomplishments

Current

Senior Data Analytics Specialist

Current

Flutterwave

Sep 2024 - Present (10 months)

• Designed and deployed a robust XGBoost-based ML model to identify high-risk merchants, resulting in a 94% gini.
• Developed a comprehensive segmentation framework that classifies merchants into various risk levels.
• Designed a graph-based linkage analysis system to detect fraud rings by identifying merchants with suspiciously interconnected attributes

XGBoost SQL Fraud Detection Data Engineering Machine Learning Data Analysis Data Science Python AWS AWS RedShift PostgreSQL scikit learn Risk Analysis Risk Modeling

Senior Technology Consultant

Ernst and Young

Jan 2019 - Sep 2024 (5 years 8 months)

Developed a fraud detection model for a commercial bank, reducing false positives by 20%.
Built an analytics framework to enhance remote employee productivity, leading to a 65% increase in satisfaction.
Automated over 45 banking processes, achieving an 80% reduction in turnaround time.