Freelance Data Analysts in Sandton

Freelance Data Analysts in SandtonFreelance Data Analysts in Sandton

Projects People

Johannesburg, South Africa

Research-Driven Copy for Thought Leaders & Changemakers

5.0: Rating

4: Followers

Research-Driven Copy for Thought Leaders & Changemakers

Cover image for 1000 Young Voices Report

1000 Young Voices Report

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4

Cover image for Business Issues Report: Insights for Education Development

Business Issues Report: Insights for Education Development

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6

Cover image for Book Chapter Synopsis: Motivation To Teach

Book Chapter Synopsis: Motivation To Teach

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4

Cover image for Book Chapter Synopsis: Teacher Beliefs About Teaching

Book Chapter Synopsis: Teacher Beliefs About Teaching

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2

Data Analyst(5)

Benjamin van der Merwe

Sandton, South Africa

Driving Revenue Generation Using Data Science || Go + Python

9: Followers

Driving Revenue Generation Using Data Science || Go + Python

Cover image for Forex Dashboard Web Application

Forex Dashboard Web Application

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10

Cover image for Tradingview Custom Indicator Development

Tradingview Custom Indicator Development

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Cover image for Customer Segmentation for Targeted Marketing

Customer Segmentation for Targeted Marketing

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5

Cover image for Sentiment Analysis of Tweets for Customer Experience Analysis

Sentiment Analysis of Tweets for Customer Experience Analysis

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14

Data Analyst(4)

Xolani Mazibuko

Johannesburg, South Africa

Software Engineer | Python | Django | React | AWS

Software Engineer | Python | Django | React | AWS

Cover image for Sales Register

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8

Cover image for System Upgrade

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29

Cover image for mazi76erX2/Auto-Report-Generator

mazi76erX2/Auto-Report-Generator

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2

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Data Analyst(1)

Tumisang Kalagobe

Johannesburg, South Africa

Expert in Sales, Business Development, and Growth Strategies

Expert in Sales, Business Development, and Growth Strategies

Cover image for Sales process optimisation

Sales process optimisation

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12

Cover image for Sales training for a home insurance firm

Sales training for a home insurance firm

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15

Cover image for EUR300k grant funding for South African energy pilot program

EUR300k grant funding for South African energy pilot program

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7

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Data Analyst(1)

Usamah W Maphumulo

Johannesburg, South Africa

Data Analyst & Wordpress Developer

Data Analyst & Wordpress Developer

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 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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Cover image for In the hyper-competitive "Streaming Wars,"

In the hyper-competitive "Streaming Wars," content is the product, but data is the compass. The goal of this project was to move beyond static spreadsheets and engineer a live, automated pipeline. I set out to uncover the "Survival Rate" of global content and identify the production trends that drive billion-dollar programming decisions across 197 countries.

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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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135

Data Analyst(4)

Buhlebethu Biyela

Johannesburg, South Africa

Data Analyst | Excel & SQL | Data Cleaning and Insights.

New to Contra

Data Analyst | Excel & SQL | Data Cleaning and Insights.

Cover image for Analyzed monthly product sales data

Analyzed monthly product sales data to identify trends and performance across multiple product categories. Created clear visualisations to highlight sales patterns, peak periods and product comparisons, enabling better understanding of business performance. This project demonstrates my ability to transform raw data into meaningful insights using Excel.

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14

Cover image for Analysed monthly product sales data

Analysed monthly product sales data to identify trends and performance across multiple product categories. Created clear visualizations to highlight sales patterns, peak periods and product comparisons, enabling better understanding of business performance. This project demonstrates my ability to transform raw data into meaningful insights using Excel.

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16

Cover image for Enhance Business Insights with Geospatial Tableau Dashboards

Created a Tableau dashboard to analyze geographic and temporal patterns in sightings data across Kentucky. The analysis highlights monthly trends and the distribution of sightings by county, providing insights into location-based patterns and frequency over time. This project demonstrates my ability to work with geospatial data and visualize trends effectively using Tableau

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Cover image for Developed an interactive Tableau dashboard

Developed an interactive Tableau dashboard to analyse Airbnb listing data, focusing on pricing trends, geographic distribution and property characteristics. The dashboard highlights key insights such as average price by bedrooms, price variations by location and weekly pricing trends, enabling better understanding of the short-term rental market. This project demonstrates my ability to visualise complex data and communicate insights effectively using Tableau.

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12

Data Analyst(2)

Johannesburg, South Africa

Data Analyst

Data Analyst

Cover image for Amazon Prime Dashboard

Amazon Prime Dashboard

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Cover image for National Sales and Customer Ratings

National Sales and Customer Ratings

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Daily Sales Calendar

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Co-founder & COO

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Data Analyst(3)

Johannesburg, South Africa

Data-Driven SEO & Brand Design Specialist

Data-Driven SEO & Brand Design Specialist

Cover image for Sentry Safe Solutions

Sentry Safe Solutions

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3

Cover image for Letukile Academy

Letukile Academy

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3

Cover image for Ech3lons Luxury Coffee

Ech3lons Luxury Coffee

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4

Brand Redesign and Social Media for Fashion Boutique

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2

Data Analyst(1)