Open to opportunities

Heidi Hlungwani

@heidihlungwani

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Experienced data professional specializing in analytics and data governance.

South Africa

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What I'm looking for

I am looking for opportunities that allow me to leverage my data expertise while fostering team collaboration and innovation.

I am an experienced data professional with a strong background in data science, advanced analytics, and data management, currently working at Standard Bank SA. As a Line Manager, I have successfully led and mentored teams, driving data innovation and delivering insights that support business goals. My expertise includes data modeling, machine learning, and utilizing tools such as AWS, Power BI, and SQL to manage complex projects and ensure data integrity.

Throughout my career, I have been involved in significant initiatives, such as leading the migration of ATM estate data to AWS, which enhanced data security and accessibility. I have also spearheaded the transition of reporting systems to Power BI, resulting in a 40% reduction in report generation time. My commitment to data quality and governance has led to the implementation of processes that significantly reduced data-related errors, while my collaborative efforts with data engineers have optimized ETL processes, improving efficiency by 20%.

My passion lies in combining technical expertise with leadership to create value through data. I am dedicated to mentoring my team and supporting cross-departmental collaboration, ensuring that data practices comply with regulations and best practices. I strive to leverage data to drive impactful business decisions and foster a culture of data-driven insights.

Experience

Work history, roles, and key accomplishments

Current

Manager, Advanced Analytics

Current

Standard Bank SA

Aug 2024 - Present (10 months)

Performed data mining and packaging of advanced insights to identify new revenue opportunities, revenue gaps, and cost reduction across allocated product portfolios. Developed algorithms and models to serve as an engine for product solution packaging and daily portfolio management.

Data Mining Revenue Management Algorithm Development Portfolio Management

Manager, Data Management: Cash and ATMs FPB

Standard Bank SA

Jul 2022 - Aug 2024 (2 years 1 month)

Led the migration of ATM estate data to AWS, ensuring secure transfer and adherence to governance protocols. Managed the transition of ATM availability reporting from Cognos to PowerBI, automating data pipelines and improving report accessibility. Implemented initiatives to enhance data quality across the ATM estate, reducing data-related errors.

AWS Data Visualization Power BI Data Quality Data Governance ETL Processes Team Leadership Risk Management

Senior Analyst, Campaign Analytics

Smart2

Apr 2020 - Jul 2022 (2 years 3 months)

Optimized marketing campaigns by analyzing customer behavior and campaign performance, contributing to a 10% increase in ROI for a major campaign. Developed machine learning models using SAS for client targeting, improving product take-up and conversion rates. Integrated large datasets from Teradata into SQL Server using SQL for accurate analysis.

Marketing Optimization Machine Learning SAS Logistic Regression Decision Trees Data Integration Teradata SQL Campaign Analysis

Graduate Trainee: Data Science & Analytics

Standard Bank SA

Nov 2018 - Feb 2020 (1 year 3 months)

Analyzed competitor pricing strategies using SQL and Python, identifying areas for service innovation. Developed a PowerBI dashboard for real-time transaction tracking, reducing reporting time by 30%. Implemented client segmentation using SAS and fuzzy matching, improving campaign accuracy by 15%.

Competitor Analysis SQL Python Data Visualization Power BI SAS Data Cleaning

Education

Degrees, certifications, and relevant coursework

University of the Witwatersrand

Post Graduate Diploma in Business Administration, Business Administration

Pursued advanced studies in business administration, focusing on strategic management and organizational leadership. Developed expertise in key business functions to enhance decision-making capabilities.

Sol Plaatje University

Bachelor of Science, Data Science

Completed a comprehensive Bachelor of Science program with a specialization in Data Science. Gained foundational knowledge in statistical analysis, machine learning, and data visualization techniques.

Analytics Vidhya

Data Science Certification, Data Science

Obtained a professional certification in Data Science from Analytics Vidhya. Focused on practical applications of data analysis, machine learning algorithms, and data manipulation tools.