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Barry Vorster

@barryvorster

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Highly skilled Senior Data Engineer with extensive experience in data solutions.

South Africa

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What I'm looking for

I am looking for a role that offers opportunities for growth, innovation, and collaboration within a dynamic team.

I am a Senior Data Engineer with a strong background in designing and optimizing data solutions, particularly in Python, Snowflake Cloud, and Azure Data Factory. Over the years, I have developed a robust skill set in building data pipelines, automating workflows, and enhancing business intelligence capabilities. My experience includes creating a web application for tracking sales and customer enrollments, as well as developing a commission system that automates calculations based on premium collections.

Throughout my career, I have successfully migrated complex data solutions to cloud environments, ensuring efficiency and scalability. I have also been instrumental in establishing naming conventions and architectural standards for my teams, which has significantly improved our operational efficiency. My commitment to documentation and knowledge sharing has fostered a collaborative environment that encourages innovation and continuous improvement.

Experience

Work history, roles, and key accomplishments

Current

Senior Data Engineer

Current

aYo Holdings

Jun 2017 - Present (8 years)

As a Senior Data Engineer at aYo Holdings, I developed data pipelines using Snowflake and Python, built web applications for sales tracking, and automated commission calculations. I also created monitoring systems for SMS campaigns and reconciled financial transactions, migrating solutions to Snowflake and Azure Data Factory.

Snowflake Python Azure Data Factory ETL Power BI SQL Server DBT Docker API Integration Data Modeling

BI Analyst

Mobile Telephone Networks

Sep 2016 - May 2017 (8 months)

As a BI Analyst, I built ETL pipelines in Azure Data Factory and developed stored procedures in Oracle for OBIEE reporting, contributing to the BI architecture.

Azure Data Factory ETL Oracle SQL Data Warehousing BI Architecture

IT System Architect

Mobile Telephone Networks

Feb 2013 - Nov 2014 (1 year 9 months)

In this role, I was the subject matter expert for Oracle WebCenter and the technical architect for the Oracle ATG Platform, overseeing the MTN Online Shop and self-service applications.

Oracle ATG Technical Leadership Application Development

Enterprise Application Architect

Mobile Telephone Networks

Jan 2008 - Jan 2013 (5 years)

As the Enterprise Application Architect, I co-authored the MTN Enterprise Services Framework and was responsible for the IT Architecture Blueprint and application roadmap.

Enterprise Architecture SOA Roadmapping

Solution Architect

Mobile Telephone Networks

Jun 2007 - Oct 2007 (4 months)

Responsible for high-level design and solutioning of various systems, ensuring adherence to MTN's enterprise architectural principles and standards.

Solution Architecture High Level Design Enterprise Architecture Project Management

Technical Lead for Interfaces

Mobile Telephone Networks

Jan 2005 - Apr 2007 (2 years 3 months)

Led the design and implementation of interfaces between various systems, utilizing web services and EJBs while adopting the Rational Unified Process.

Web Services Rational Unified Process System Integration

System Integration Team Lead

Mobile Telephone Networks

May 2002 - Dec 2004 (2 years 7 months)

Managed the System Integration Team, responsible for all integration work, including the development of middleware components and functional specifications.

System Integration Middleware Functional Specifications Team Management Technical Documentation

Analyst Programmer

Mobile Telephone Networks

Nov 2000 - Dec 2000 (1 month)

Developed software in Visual Basic and C++, including the company's first Fraud Management System, MTRAX.

Visual Basic C++Software Development Fraud Management Programming

Quality Assurance Analyst / Tester

Mobile Telephone Networks

Dec 1995 - Jan 2000 (4 years 1 month)

Tested system changes and enhancements on the wholesale billing system, compiling test cases and developing test plans.

Quality Assurance Testing Test Plans System Enhancements

System Analyst / Programmer

Mobile Telephone Networks

Dec 1995 - Dec 2004 (9 years)

Developed middleware components in Visual C++ and maintained systems in Visual Basic, contributing to the Systems Integration Department.

Visual Basic Middleware Systems Analysis Software Development

Education

Degrees, certifications, and relevant coursework

University of Johannesburg

Bachelor of Science, Information Technology

1993 - 1995

Pursued a Bachelor of Science in Information Technology, majoring in Computer Science and Informatics, equipping with essential skills in software development and IT systems.

University of Johannesburg

Bachelor of Science, Mathematics & Physics

1990 - 1993

Completed a Bachelor of Science degree with a focus on Mathematics and Physics, gaining a strong foundation in analytical and problem-solving skills.

Riebeeck High School

Senior Certificate, General Education

1985 - 1989

Achieved a Senior Certificate with subjects including Afrikaans, English, Biology, Natural Science, Accountancy, Mathematics, and Computer Studies, laying the groundwork for further education.