nthabiseng mathabatha
@nthabisengmathabatha
Junior Data Engineer transforming complex data into scalable, actionable insights.
What I'm looking for
I’m a detail-oriented data professional blending data engineering, data science, and analytics to turn complex datasets into scalable, actionable solutions. I bring hands-on experience with data ingestion, ETL processes, data quality management, and reporting that supports real business decisions.
Currently, I work as a Junior Data Engineer on the MTN SA project (Oratel (Pty) Ltd, Remote), where I support end-to-end data ingestion—from source onboarding to extraction, transformation, validation, and loading into target environments. I develop, monitor, and maintain ETL pipelines using Databricks, Trino, SQL, and Microsoft Azure, and I lead root cause analysis to resolve data quality issues with stakeholders.
Previously, I built predictive and intelligence-driven models, including a CNN to forecast policy cancellations (using Python and TensorFlow) and an LLM system to extract information from PDF documents. I also conducted EDA to identify key features, improve model performance through data-driven insights, and document research clearly for decision-making.
I also strengthen my impact through analytics visualization and collaboration. Through a Data Science learnership, I developed Power BI dashboards for project performance and user activity, cleaned and transformed datasets with SQL and Python, and delivered stakeholder-ready visual reports; and I’ve built a foundation in Agile and 4IR technologies through hands-on development and training.
Experience
Work history, roles, and key accomplishments
Junior Data Engineer
Oratel (Pty) Ltd
Mar 2026 - Present (5 months)
Support end-to-end data ingestion, including source system onboarding, extraction, transformation, validation, and loading into target environments. Develop and maintain ETL pipelines on Databricks, Trino, SQL, and Microsoft Azure, and manage data-quality incidents with documentation and runbooks.
Data Science Work Experience
Lombard Insurance
Jun 2025 - Nov 2025 (5 months)
Developed a CNN predictive model to forecast policy cancellations and improved prediction accuracy using data-driven modeling. Performed EDA, built/deployed predictive models with Python and TensorFlow, and built an LLM system to extract information from PDF documents.
Data Science Learnership
Shaper
Dec 2024 - May 2025 (5 months)
Developed Power BI dashboards to track project performance and user activity, and analyzed user behavior to identify engagement drop-offs. Cleaned, transformed, and validated datasets using SQL and Python to deliver reporting visualizations for stakeholder decisions.
4IR Work Readiness Program
Accenture
Mar 2024 - Oct 2024 (7 months)
Built competency in Agile methodologies to support efficient solution development and rapid skill acquisition. Designed and deployed full-stack web applications and trained in 4IR tools including IoT, Artificial Intelligence, and data analytics.
Class Representative
University of Limpopo
Jan 2023 - Nov 2023 (10 months)
Acted as a liaison between students and faculty by communicating concerns and feedback, and organizing class events and meetings. Collaborated with faculty and peers to resolve academic and administrative issues to improve the student experience.
Student Assistant
University of Limpopo
Jun 2023 - Oct 2023 (4 months)
Provided one-on-one and group support to first-year students in the Statistics module and guided students through core concepts. Marked quizzes, invigilated exams, and supported learning to improve understanding.
Education
Degrees, certifications, and relevant coursework
University of Limpopo
Bachelor of Science, Mathematical Sciences
2019 - 2023
Earned a BSc in Mathematical Sciences at the University of Limpopo (Jan 2019–Dec 2023), with coursework including probability theory, statistical inference, regression analysis, multivariate statistics, and time series.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
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