Data Analyst with hands-on experience in SQL, Python, Power BI, and ETL automation. Skilled in interpreting and validating data, building dashboards, and applying machine learning to solve real-world problems. With hands-on training from a 10-month Data Science program at Explore Data Science Academy. Passionate about transforming data into actionable insights.
Hi, I’m
Peter Maila
Bryanston,Gauteng
Summary
Overview
5
years of professional experience
1
Certification
Work History
Tshela Healthcare Consulting
Data Analyst
01.2025 - Current
Job overview
- Perform the Extraction, Transformation and Loading (ETL) of data from various sources.
- Troubleshooting and debugging of ETL components used including MySQL to resolve ETL errors.
- Provide quality assurance over imported data.
- Design and develop data models for analytics purposes.
- Querying data sets with available tools.
- Basic operational support for Data and Analytics solutions including database administration.
- Document working papers to document the processes followed to perform ETL, data quality assurance, data analytics results and change management.
Tshela Healthcare Consulting
Junior Data Analyst
07.2024 - 12.2024
Job overview
- Collect, validate, and analyze datasets to enhance data quality.
- Build ETL pipelines for automated daily data exchanges.
- Generate daily/weekly/monthly reports; develop Power BI dashboards.
Tshela Healthcare Consulting
Data & IT Intern
07.2022 - 06.2024
Job overview
- Adanced training in data analytics, data engineering and data science.
- Build ETL pipelines for automated daily data exchanges using DBevear.
- Provide technical support and cross-train new team members.
Water Research Commission
Graduate Programme
04.2021 - 07.2021
Job overview
- Analyzed demographic/statistical data using Excel for reporting.
Education
University of Limpopo
BSc from Mathematical Sciences, Computer Science & Applied Mathematics
01.2020
University Overview
Skills
- SQL
- Python
- Power BI
- Excel
- Tableau
- ETL Automation
- DBeaver
- Data Cleaning
- Data Validation
- Data Reporting
- Machine Learning
- Random Forest
- XGBoost
- CatBoost
- GLM
- Data Visualization
- Dashboards
- Problem Solving
- Critical Thinking
Websites
Certification
- Data Science Certificate, Explore Data Science Academy, 2023-12-01
- Microsoft Azure AI Engineer, 2024-10-01
- Microsoft Azure AI Fundamentals, 2022-05-01
- Microsoft Azure IoT Developer, 2022-06-01
- SQL – Coursera, 2022-10-01
- Microsoft Certified: Dynamics 365 Fundamentals, 2024-09-01
- Microsoft 365 Certified: Fundamentals, 2024-09-01
Timeline
Data Analyst
Tshela Healthcare Consulting
01.2025 - Current
Junior Data Analyst
Tshela Healthcare Consulting
07.2024 - 12.2024
Data & IT Intern
Tshela Healthcare Consulting
07.2022 - 06.2024
Graduate Programme
Water Research Commission
04.2021 - 07.2021
University of Limpopo
BSc from Mathematical Sciences, Computer Science & Applied Mathematics