MUSTAPHA AMBALI

Entry-level Data Analyst

LinkedIn | Email | Phone

[email protected]

+234-708-823-4102

Lagos, NG

About

Highly motivated Entry-level Data Analyst with practical experience in data cleaning, analysis, and visualization, leveraging tools such as Excel, SQL, Power BI, and Tableau. Proven ability to translate complex datasets into actionable insights, having successfully completed multiple industry-simulated projects that addressed real-world business challenges. Eager to contribute strong analytical skills and a passion for data-driven decision-making to a dynamic team.

Work Experience

Administrative Support Intern

Etarious Technologies Limited

Sep 2024 - Jun 2025

Lagos, NG

Supported digital service operations and client relations, ensuring efficient document processing and positive customer interactions.

  • Assisted customers with digital services, including document processing and online applications, enhancing service delivery efficiency.
  • Managed daily activity logs and organized client files, maintaining accurate records for efficient retrieval and service request tracking.
  • Responded promptly to customer inquiries, providing helpful information to ensure a smooth and positive client experience.

Audit Intern

Lagos State University

Sep 2023 - Nov 2023

Lagos, NG

Supported audit processes by meticulously validating financial data and organizing documentation to ensure compliance and accurate reporting.

  • Ensured data integrity by accurately entering and validating financial data with a consistent 98% accuracy rate.
  • Organized and maintained comprehensive audit documentation, facilitating seamless retrieval and adherence to compliance standards.
  • Collaborated effectively with audit teams to prepare detailed and precise audit reports, supporting informed decision-making.

Education

Educational Management

Lagos State University

Sep 2020 - Jun 2024

Lagos, NG

Projects

Data Analytics Job Simulation - Deloitte Australia

Jul 2025 - Jul 2025

Engaged in a Deloitte job simulation, applying data analysis and forensic technology to derive business conclusions and create visualizations.

Internal Audit Job Simulation - Goldman Sachs

Jul 2025 - Jul 2025

Completed a virtual job simulation focused on internal audit processes and risk assessment at a global financial institution.

Customer Service Virtual Job Simulation - Forage Academy

Jun 2025 - Jun 2025

Participated in a virtual job simulation focused on customer service operations, developing skills in client interaction and issue resolution.

Data Analytics and Visualization Job Simulation - Accenture North America

Mar 2025 - Mar 2025

Simulated a Data Analyst role for a hypothetical social media client, focusing on data-driven strategic advice and trend identification.

Virtual Assistant Program - ALX Africa

Sep 2024 - Nov 2024

Completed a comprehensive virtual assistant program, developing administrative and organizational skills for remote work environments.

HR Analytics: Employee Attrition & Performance Overview (Power BI)

Apr 2024 - Jun 2024

Developed an HR analytics solution to analyze employee attrition and performance, providing insights for strategic decision-making.

Customer Churn Analysis (Excel)

Jan 2024 - Mar 2024

Conducted a comprehensive customer churn analysis to identify key drivers and develop actionable retention strategies.

Skills

Data Tools

  • SQL
  • Power BI
  • Microsoft Excel
  • PowerPoint
  • Tableau

Data Analysis & Modeling

  • Data Cleaning
  • Data Visualization
  • Data Analysis
  • Reporting
  • Data Modelling

Professional Skills

  • Problem Solving
  • Attention to Detail
  • Business Communication
  • Organization
  • Team Collaboration
  • Critical Thinking

References

Mr. Etaoghene O.C.

Managing Director, Etarious Technologies Limited, [email protected]