Freelance Business Strategists in JohannesburgFreelance Business Strategists in Johannesburg
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Usamah W Maphumulo's avatar
Usamah W Maphumulo
Johannesburg, South Africa
Data Analyst & Wordpress Developer
Data Analyst & Wordpress Developer
Cover image for This project was designed to
This project was designed to empower the marketing team of a retail store with actionable insights into customer behavior. By cleaning and transforming a complex dataset using Python and Pandas, I created a streamlined CSV source that feeds into a Power BI dashboard. This tool allows stakeholders to analyze spending habits, demographic trends, and channel performance to make more informed marketing decisions.
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Cover image for Should you always double down
Should you always double down on your #1 market? 🌍 While building this Executive Revenue dashboard, the data told a different story. Instead of pouring more into the US market, we identified a massive opportunity to make countries 2-4 (India, UK, and Brazil) more competitive. The Tech Stack: ETL: Pandas (Python) Database: MySQL Viz: Power BI Moving from 5 scattered CSVs to a centralized SQL-backed dashboard allowed us to see a $9.32M revenue stream clearly for the first time.
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Cover image for Discover High-Performance WordPress Web Design & Data Solutions
The new home for my WordPress Web Design and Data Visualization services is officially live! This project was built with a performance-first mindset: Custom WordPress Architecture: Clean code for lightning-fast load times. Data-Driven UX: Integrated insights to optimize user conversion. Responsive Design: A seamless experience across all devices. Whether you need a high-converting website or a Power BI/Tableau dashboard, let’s build something impactful. Explore the site: usamahmaphumulo.co.za (http://usamahmaphumulo.co.za)
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Cover image for Behind every great dashboard is
Behind every great dashboard is a clean query. I’m currently using SQL to transform raw event logs into actionable intelligence for an e-commerce build. Key Metrics Extracted: Traffic Quality: Identifying high-intent sources via avg_session_duration. Campaign ROI: Using expected_uplift to pinpoint winning customer segments. Behavioral Trends: Mapping friction points in the checkout funnel. Moving from "gut feelings" to real-time data in Power BI, Tableau, and Looker Studio.
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Business Strategist(1)
Karen Schwartz's avatar
Karen Schwartz
Johannesburg South, South Africa
25+ Years in Sales and Customer Satisfaction
25+ Years in Sales and Customer Satisfaction
Cover image for Business Development Manager
Business Development Manager
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Cover image for B2B Sales
B2B Sales
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Cover image for Outbound Sales Representative Workflow
Outbound Sales Representative Workflow
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Business Strategist(1)