SIPHINDILE THETHWAYO

Continuous Improvement:

• Gathering business requirements for data analysis project to ensure alignment with the business and meet stakeholder needs.
• Perform gap analysis to identify data discrepancies.
• Implement data mapping for data accuracy and transformation process.
• Maintain stakeholder Communication.
• Process documentation.
• Microsoft azure board monitoring

Business Intelligence:

• Develop report using Power BI.
• Power BI report enhancement.
• Report request: Grant access to user who requested access to Power BI reports.
• Extract, Analyse, Develop and maintain SQL queries.

Data Quality and Data Governance:

• Data quality month-end report regulatory.
• Data quality report development.
• Check quality of the data and analyze data to resolve data issues.
• Communicate with stakeholders.
• Measuring data quality metrics with key dimensions Accuracy, Completeness, Validity, Timeliness, Consistency and Integrity for ensuring reliable, accurate.
• Redgate data masking
• Data dictionaries
• Microsoft Purview data classification

Data Engineering:

• ETL
• SSIS
• Attended Microsoft Azure Synapse Analytics training; familiar with dedicated SQL pools, ETL pipelines, and integration with Azure services.

• Collected and cleaned data from multiple sources
• Performed EDA using statistical methods and visualization tools (matplotlib, seaborn)
• Engineered features to improve model performance
• Built ML models for classification, regression, clustering, and recommendations
• Created dashboards and visualizations in Power BI
• Wrote Python scripts for data processing and model development
• Researched emerging trends in data science and machine learning

• Brainstorming and collecting non-functional and functional requirements of a system.
• Analyzing requirement data flows to support system design and ensure integrity.
• Creating process models, flow charts, and diagrams to visualize business processes.
• System testing support: assist with UAT testing validating that system functionalities meet business requirements.