OLABISI OLUWAPONMILE AMUSAN

Data Analyst

Ibadan, NG.

About

Highly analytical Data Analyst with a Microsoft Certified Power BI Data Analyst Associate (PL-300) credential, specializing in building impactful end-to-end dashboards and analytical reports. Proven expertise in Power BI, SQL, Python, and Excel, adept at transforming complex datasets (50,000-80,000+ rows) across diverse sectors including retail, agriculture, education, and healthcare. Leverages strong DAX, data cleaning, and KPI tracking skills to deliver actionable insights and drive operational efficiency.

Work

PalmPay Limited

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Aftersales Operations Specialist

Ibadan, Oyo State, Nigeria

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Summary

Directed comprehensive aftersales operations for over 2,000 POS devices, optimizing deployment, inventory management, and technical support to enhance operational efficiency and agent satisfaction.

Highlights

Managed the end-to-end lifecycle for over 2,000 POS devices, significantly minimizing agent downtime and improving overall operational efficiency.

Maintained precise inventory records for active and inactive devices, ensuring data accuracy crucial for strategic deployment and resource allocation.

Provided timely and effective support, resolving device-related issues for agents to achieve high levels of customer satisfaction and service continuity.

Collaborated cross-functionally to streamline aftersales processes, enhancing service delivery and improving overall operational effectiveness.

Analyzed device failure trends to recommend and implement corrective actions, proactively improving device performance and reliability.

PalmPay Limited

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Quality Control Officer (Additional Assignment)

Ibadan, Oyo State, Nigeria

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Summary

Led quality assurance for POS device deployment, achieving a 99.9% reliability rate and significantly reducing defects through comprehensive testing and cross-functional collaboration.

Highlights

Achieved and maintained an exceptional 99.9% device reliability rate by implementing rigorous proactive maintenance and quality assurance procedures.

Conducted comprehensive functionality testing and inspections of POS devices, significantly reducing defective device distribution and improving operational efficiency.

Collaborated effectively with engineering and technical support teams to identify, troubleshoot, and swiftly resolve complex technical issues.

Monitored device performance metrics and generated detailed quality reports, providing critical data for operational decision-making and strategic improvements.

Ensured strict compliance with company quality standards and operational procedures, upholding product integrity and brand reputation.

Education

Ladoke Akintola University of Technology (LAUTECH)

Ogbomosho, Oyo State, Nigeria
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B.Tech Agricultural Economics Grade: Second Class Upper

Languages

English

Yoruba

Native

Chinese

Basic

Certificates

Data Analysis Career Track

AI Community Africa x DataCamp Donates

Microsoft Certified: Power BI Data Analyst Associate (PL-300)

Microsoft

Data Analysis Bootcamp

Udemy

Skills

DAX

Measures, Calculated Columns, Time Intelligence Functions.

Python

Pandas, EDA, NumPy, Matplotlib, SciPy.

Data Analysis

Data Interpretation, Business Intelligence, Predictive Analytics.

SQL

Database Management, Query Optimization, Data Extraction.

Excel & Spreadsheets

Advanced Formulas, Data Modeling, Pivot Tables, VBA.

Data Visualization

Reporting, Storytelling, Charting, Dashboard Design.

Statistical Analysis

Hypothesis Testing, Regression Analysis, A/B Testing.

Dashboard Development

Power BI, Tableau, Looker.

Data Cleaning & Quality Control

Data Validation, ETL Processes, Data Governance.

Cross-functional Collaboration

Teamwork, Stakeholder Management, Communication.

Projects

Student Performance Analysis Dashboard (Power BI)

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Summary

Analyzed data for 50,000 students across 100 schools; implemented bookmark toggles for interactive report navigation.

Agricultural Supply Chain Dashboard (Power BI)

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Summary

Designed a dashboard tracking N3.15T in revenue across the agricultural supply chain, featuring custom tooltips for deeper drill-down analysis.

Retail Sales Performance Dashboard (Power BI)

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Summary

Built a dashboard analyzing 80,000+ orders and N16bn in revenue, delivering insights on sales trends and performance drivers.

Lagos Commute Time Analysis (Power BI, DAX, SQL)

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Summary

Analyzed a 70,000-row synthetic dataset of Lagos commute patterns; built a 3-page Power BI dashboard covering corridor, time-of-day, weather, vehicle type, and delay analysis with custom DAX measures.