MacDonald Uwachukwunenye
@themacdonald
Senior Data Analyst specialising in Business Intelligence, Data Quality, and AI-driven solutions.
NigeriaWhat I'm looking for
I am a results driven Senior Data Analyst and AI Data Quality professional with a Computer Science background and experience turning complex data into actionable insights. I specialize in SQL, Python, Power BI, Tableau, Excel, data automation, and AI evaluation.
My experience spans business intelligence, data quality, research, process optimization, and workflow automation. I have built analytical dashboards, improved reporting systems, streamlined data workflows, and delivered insights that support better business decisions. I combine strong technical skills with practical business understanding to solve data problems and deliver measurable impact.
Experience
Work history, roles, and key accomplishments
Review and evaluate AI-generated responses for correctness, reasoning quality, bias, and instruction adherence. Apply structured rubrics to score LLM outputs and provide actionable feedback for model improvement.
Senior Data Analyst / AI QA Analyst
Proptverse
Nov 2023 - Dec 2025 (2 years 1 month)
Led analytics initiatives to standardize KPIs and dashboards used for operational and strategic decisions. Used SQL and Python for data extraction, transformation, and AI QA, increasing operational efficiency by ~25%.
Analytics Consultant
Clean Express
Jun 2023 - Sep 2024 (1 year 3 months)
Conducted operational analytics and market research to improve service efficiency and customer satisfaction. Built KPI dashboards using SQL, Excel, and Power BI to monitor performance and cost drivers.
Data Scientist Intern
Fred Brandon FLAMES Foundation
Jul 2022 - Dec 2022 (5 months)
Used Python to clean and analyze social impact datasets. Produced exploratory insights and summary statistics to support program evaluation.
Business Intelligence / Data Analyst Intern
ALX Africa
Apr 2022 - Dec 2022 (8 months)
Built BI dashboards using SQL and Power BI to analyze performance metrics. Improved data collection processes and KPI clarity.
Technical Analyst / Research Writer
Edwin Kiagbodo Clark Foundation
Apr 2021 - Apr 2022 (1 year)
Produced structured research and analytical reports for planning and policy decisions. Conducted basic statistical analysis and data interpretation.
Network Engineer
Digital Autonomy Information Technology
Mar 2019 - Feb 2020 (11 months)
Monitored network performance and supported incident analysis and troubleshooting. Improved documentation and reduced repeat infrastructure issues.
Junior Data Analyst / Computer Operator
ChimaTech
Aug 2013 - Dec 2016 (3 years 4 months)
Managed data entry, spreadsheet reporting, and record maintenance. Built a strong foundation in Excel-based analysis and data handling.
Education
Degrees, certifications, and relevant coursework
Mountain Top University
Bachelor of Science, Computer Science
2016 - 2020
Pursued a Bachelor of Science in Computer Science with a focus on computer science and mathematics.
Tech stack
Software and tools used professionally
Availability
Location
NigeriaAuthorized to work in
Website
themacdonald.vercel.appPortfolio
github.com/themacdonaldSalary expectations
Job categories
Skills
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