Reloef Khoza
@reloefkhoza
Efficient data scientist specializing in data engineering and business intelligence.
What I'm looking for
I am a results-driven data scientist with over three years of experience in data engineering, ETL processes, machine learning model development, and business intelligence. My journey has equipped me with robust skills in problem-solving, communication, and time management, allowing me to leverage data to uncover insights and drive strategic decisions.
Currently, I serve as a Lead Business Data Analyst at Alstom-Gibela Rail Consortium, where I develop comprehensive business intelligence reports and real-time dashboards to enhance production efficiency. My previous roles include Senior Data Scientist at Analytics Advertising, where I led cloud migration projects and developed ETL pipelines, and Data Engineer at Athstat Analytics, specializing in data scraping and cleaning pipelines.
My educational background includes a BSc degree in Aeronautical Engineering with Honors from the University of Witwatersrand and a certificate in Systems Development and Data Science from Explore Data Science Academy. I am passionate about utilizing my skills to create impactful data solutions that drive business success.
Experience
Work history, roles, and key accomplishments
Lead Business Data Analyst
Alstom-Gibela Rail Consortium
Oct 2024 - Present (8 months)
Developed comprehensive business intelligence reports across the organization, supporting production managers and executive board members with key performance indicators (KPIs) and actionable insights. Created real-time dashboards to track production progress and defects, financial dashboards for budget vs. actual comparisons, and an attendance management dashboard.
Data Analyst
Mastercard Johannesburg
Nov 2023 - Nov 2024 (1 year)
Automated KPI reports for EMEA regional managers within the finance department. Connected to the Oracle database and utilized DAX scripts to analyze and formulate KPIs for tracking manager performance and revenue optimization. Presented KPIs on Microsoft Excel and Power-BI.
Snr Data Scientist
Analytics Advertising
Oct 2023 - Oct 2024 (1 year)
Led a team of three data science interns, completing a cloud migration of SAP data and internal servers for multiple clients. Developed numerous ETL pipelines and automated multiple business intelligence reports for the Central Bank. Integrated multiple data sources for a cement manufacturing client to provide real-time KPIs and predictive analysis.
Data Engineer
Athstat Analytics
Jan 2022 - Dec 2023 (1 year 11 months)
Specialized in crafting efficient data scraping and cleaning pipelines using Logstash and Python. Ensured seamless data flow into MySQL databases through expertise in ETL processes, maintaining data integrity and accessibility. Developed automated pipelines with set triggers for continuous data updates and versioning, with reports visualized using OpenSearch.
Data Scientist
Hippocampus Education
Jan 2022 - Dec 2022 (11 months)
Developed Machine Learning models to predict student performance based on historical data using Python. Built various interactive recommender dashboards for students and teachers to track performance, improve content, and flag potential failures using Google Data Studio. Connected to AWS S3 bucket data and hosted models in AWS EC2.
Data Science Intern
Explore AI
Jan 2021 - Dec 2022 (1 year 11 months)
Built a movie recommender machine learning model using Python and Streamlit. Developed an electricity load reduction predictive model for a renewable energy firm using weather patterns historical data. Created a sentiment classification machine learning model for a green activist organization using Python and OpenSearch.
Engineering Mentorship Programme
Aerosud Aviation
Jan 2019 - Dec 2020 (1 year 11 months)
Participated in an engineering mentorship program within the Aeronautical Manufacturing and Process Department. Responsible for gap analysis, engineering investigation, and technical validation of Airbus A320 and SAFRAN interior components production. Achieved objectives using advanced Excel optimization tools, SAP, and Matlab.
Education
Degrees, certifications, and relevant coursework
Explore Data Science Academy
NQF-5 Certificate, Systems Development and Data Science
Completed an NQF-5 Certificate in Systems Development and Data Science. Gained foundational knowledge and practical skills in data science methodologies and system development.
University of Witwatersrand
BSc degree, Aeronautical Engineering with Honors
Grade: pending
Pursued a BSc degree in Aeronautical Engineering with Honors. Focused on advanced engineering principles and their application in aeronautics.
Hoedspruit Independent College
Matriculation Certificate, Mathematics and Science
Grade: 6 distinctions
Completed matriculation with a focus on Mathematics and Science. Achieved 6 distinctions, demonstrating strong academic performance in core subjects.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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