Bernice Buafor

Bernice Buafor

Data Analyst Freelancer

About Me

Welcome! I'm Bernice Buafor — a Data Analyst passionate about turning raw data into clear, actionable insights.

With expertise in SQL, Python, Excel, and Power BI, I specialize in cleaning, analyzing, and visualizing complex datasets to help businesses make data-driven decisions with confidence. My experience spans diverse industries where I've delivered impactful dashboards, automated data processes, and trained teams on maintaining data quality.

Through collaborative projects and practical problem-solving, I bring both technical rigor and storytelling skills to communicate findings effectively to stakeholders at all levels. Explore my portfolio to see how I blend data science with business strategy to fuel growth and innovation.

Technical Skills

SQL Python Pandas NumPy Power BI Advanced Excel Data Mining XLOOKUP

Soft Skills

Presentation Facilitation Business Communication Teamwork Interpersonal Skills Adaptability

Projects Portfolio

PaySwift Project

PaySwift FinTech Growth Strategy

A data-driven strategy to solve adoption, risk, and churn challenges for a financial services platform.

Excel Data Visualization Power BI Data Analysis
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Canadian Spending Project

Canadian Consumer Spending Analysis

Analyzed household spending patterns across Canadian provinces to identify strategic market opportunities.

Power BI DAX Python Excel Data Modeling Market Analysis
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Streamflix Project

Streamflix Revenue Optimization

Analyzed user engagement data to guide the transition from ad-based to subscription-based platform.

Power BI SQL Python Excel User Segmentation Data Visualization
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Tasty Bites Project

Tasty Bites Restaurant Analysis

Performance analysis and strategic recommendations to optimize revenue and operations for a restaurant.

Excel Data Analysis Power BI Business Strategy
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Work Experience

Data Analyst Freelancer

Generation, Ghana | November 2025 - Present
  • Collaborated with real-world clients across diverse industries, delivering tailored data solutions that improved operational efficiency by 20% on average.
  • Leveraged Python and SQL to process datasets of over 100,000 rows, delivering actionable insights that helped clients optimize sales strategies and reduce costs.
  • Identified key business trends for a retail client, resulting in an increase in monthly revenue within three months.
  • Designed and delivered an interactive Power BI dashboard that tracked KPIs in real-time, empowering clients to make faster, data-driven decisions.

Data Analyst Bootcamp Graduate

Generation, Ghana | August 2025 - November 2025
  • Created and presented data visualizations using Power BI resulting in better presentation skills and a deeper understanding of data storytelling.
  • Demonstrated strong teamwork and problem-solving skills through group projects resulting in successful project completion.
  • Developed confidence in presenting complex data insights to stakeholders, leading to enhanced communication skills.

Data Quality Officer

Ghana Statistical Service, Accra | January 2024 - May 2025
  • Achieved and maintained 99% data accuracy for regional datasets through meticulous validation and cleaning processes.
  • Automated data quality checks by applying Stata scripts, reducing manual review time and increasing team efficiency.
  • Trained and mentored over 100 field officers on data collection protocols and error reduction techniques.

Field Officer

Ghana Statistical Service, Accra | December 2021 - November 2023
  • Collected and validated structured household and business data across 5 regions, ensuring timely and accurate transmission for central analysis.
  • Provided actionable feedback to field implementation teams, leading to an improvement in data collection efficiency.
  • Identified and resolved data discrepancies in real-time, minimizing errors before submission.

Contact Me

Get In Touch

+233 (0)50 572 4054
bbuafor@gmail.com

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