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Varas Chaka is a Senior BI Developer and Data Engineer at Sanlam Investments since November 2021, specializing in creating comprehensive data mappings and developing data exploitation systems. In addition, Varas serves as a Guest Lecturer at the University of Johannesburg. Previous experience includes roles as a Management Information Systems Specialist at ITHUBA Holdings (PTY) LTD, a BI Developer at Discovery Limited, a BI Developer at Sasfin Bank Ltd, and a Business Intelligence Consultant at Nedbank. Varas also held positions as a SQL Database Administrator/Data Analyst at Ipsos, and as a Trainee IS Security Analyst and Network Analyst/Administrator at Absa. Varas holds a Microsoft Certified Technology Specialist certification and has a Bachelor of Social Science with Honours in Information Systems & Technology from the University of KwaZulu-Natal.