Sheyi Ajayi

About

Highly motivated and detail-oriented Data Analyst with 1 year of hands-on experience in data manipulation, analysis, and visualization. Proficient in leveraging advanced tools such as Microsoft Excel, SQL, Power BI, Tableau, and R to transform complex datasets into actionable insights. Eager to apply a strong analytical foundation from a Master's in Mathematics Education and practical program experience to drive data-informed decision-making in a dynamic organizational setting.

Work

3MTT Programme

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Junior Data Analyst / Data Analysis Trainee

Abuja, Federal Capital Territory, Nigeria

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Summary

Completed an intensive 1-year data analysis training program, acquiring practical skills in data cleaning, transformation, analysis, and visualization using industry-standard tools and methodologies.

Highlights

Mastered data manipulation and analysis techniques using Microsoft Excel, including pivot tables, VLOOKUP, and advanced formulas, to process and interpret datasets up to 10,000 rows.

Developed proficiency in SQL for querying, extracting, and managing data from relational databases, successfully performing complex joins and aggregations to support analytical requirements.

Designed and built interactive dashboards and reports using Power BI and Tableau, enhancing data accessibility and enabling stakeholders to monitor key performance indicators (KPIs) effectively.

Applied statistical methods and data modeling principles utilizing R language to uncover trends, identify correlations, and generate predictive insights from diverse datasets.

Executed end-to-end data analysis projects, from data acquisition and cleaning to visualization and presentation, demonstrating strong problem-solving and critical thinking abilities.

Education

Nasarawa State University

Keffi, Nasarawa, Nigeria
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Master's Degree Mathematics Education Grade: Good Credit

Nasarawa State University

Keffi, Nasarawa, Nigeria
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Bachelor's Degree Mathematics Education

Languages

English

Skills

Data Analysis & Visualization

Microsoft Excel, SQL, Power BI, Tableau, R Language, Data Cleaning, Data Modeling, Statistical Analysis, Reporting, Dashboard Development, Data Interpretation.

Programming & Databases

SQL, R, Database Management, Data Extraction.

Soft Skills

Problem-Solving, Critical Thinking, Attention to Detail, Analytical Thinking, Communication, Research.

Projects

SME Customer Segmentation

Summary

Developed a customer segmentation analysis and interactive dashboard for Onmi Tech Company in Abuja, including KPI summaries and critical performance insights.

Master's Dissertation Data Analysis

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Summary

Conducted comprehensive data analysis for a Master's dissertation in Mathematics Education, applying statistical methods to research findings to draw significant conclusions.

Sales Performance Dashboard Development

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Summary

Developed an interactive sales performance dashboard during the 3MTT program to visualize key sales metrics and trends for a hypothetical retail company.