Harrison Hlongwane

I am an AI and Data Engineer with a strong foundation in Computer Science and Applied Mathematics, specializing in designing and operating scalable data solutions within cloud environments. My expertise spans the end-to-end data lifecycle, from building high-volume pipelines to implementing real-time machine learning models.

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• Programming & Data Engineering: I am proficient in Python, SQL, and Spark, which I use to manage complex data transformations and validations.

• Cloud Platforms: I have extensive hands-on experience with Azure, AWS, and Google Cloud, including managing cloud costs and budgets through dedicated billing reports.

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• Machine Learning & AI: I spearhead the development of Large Language Model (LLM) solutions using Ollama and PyTorch, and I have experience benchmarking models like Llama and DeepSeek.

• Observability: I am adept at setting up monitoring and alerting frameworks using Prometheus, Grafana, and ELK stack to ensure system performance and data reliability.

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• Anomaly Detection: At MultiChoice, I developed solutions using Azure Databricks to monitor live TV sports and content channels, identifying abnormal patterns to improve broadcasting stability.

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• Predictive Analytics: My background includes building robust recommendation engines for Netflix and forecasting energy usage and outages for Eskom to improve operational efficiency.

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• DevOps & Automation: I streamline software delivery by implementing CI/CD pipelines with GitLab and GitHub Actions, and I utilize Infrastructure as Code (Terraform) for scalable deployments.

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• Full-Stack Development: I have designed and deployed web applications using ASP.NET and managed cloud hosting to improve business booking efficiencies.

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• Bachelor of Science: I hold a degree from the University of the Witwatersrand, majoring in Computer Science and Applied Mathematics.

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• Information Technology Degree: I also earned a degree from the University of Johannesburg, focusing on computer science and information management.

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• Certifications: I have completed advanced training in Data Science and Machine Learning through the Explore AI Academy and hold an Azure AZ-900 certification.

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