Mary Oguche

Mary Oguche

Data Analyst
Nigeria
Yoruba, English
Internship Remote

نبذة عني

Aspiring Data Analyst with hands-on experience in data entry, cleaning, analysis, and reporting using Excel, Power BI, and SQL. Proven ability to transform raw data into actionable insights through dashboards and visual …

الخبرة

Data Analyst Trainee

TS Academy · Birmingham, UK (Remote Learning Program)
Feb 2026 - May 2026 · 2 أشهر

<p>Completed intensive training in Data Analytics, Business Intelligence, and Data Visualization.</p><p> Performed data cleaning and transformation using Power Query to prepare raw datasets for analysis.</p><p> Conducted data analysis using Power Pivot and Excel, including advanced calculations and summarizations.</p><p> Built interactive dashboards and reports using Power BI for business stakeholder presentation.</p><p> Created data models and established table relationships to enable accurate business reporting.</p><p> Developed DAX measures to generate meaningful business insights (e.g., YoY growth, running totals).</p><p> Acquired foundational knowledge of SQL and Python for data analysis applications.</p>

Data Analyst/Data Entry Specialist (Remote)

Mahdumo · Abuja , FCT , Nigeria
Feb 2025 - Jul 2025 · 4 أشهر

<p>Collect, clean, and validate academic and operational data, ensuring 98% accuracy in company database.</p><p> Analyze trends in researcher performance and platform usage using Excel (PivotTables, Power Query).</p><p> Generate weekly reports and Power BI visual summaries to support academic planning and leadership decisions.</p><p> Collaborate with academic and tech teams to improve data-driven strategies for user engagement.</p>

Data Entry Specialist (Internship)

Joblagos · Badagry , Lagos , Nigeria
Jul 2024 - Aug 2024 · 1 شهر

<p>Entered and verified data from online forms and electronic files into databases with 100% completion rate.</p><p> Performed regular data audits, identifying and correcting inconsistencies to maintain data integrity.</p><p> Maintained detailed logs of data modifications and clean-up efforts for audit trail.</p>

المهارات

Microsoft Excel Pivot Tables Power Query DAX Power BI Dashboards Visualizations SQL Python Data Cleaning Data Transformation Data Entry Data Management Data Quality Assurance Database Fundamentals Business Intelligence Problem Solving Cross-functional Collaboration Documentation Reporting Analytical Thinking Resourcefulness Data Analysis Data Visualization Power Pivot Data Interpretation Complaint Management Data Models Table Relationships DAX Measures Calculations
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