deon machaka

At TTT Systems, I develop, test, deploy, and maintain internal enterprise business applications. I also build RESTful APIs and integrations, and implement secure authentication and role-based access control.

I built and published DriveCentralHQ, a driving school management SaaS platform available as a web app, PWA, and Android app. It includes a multi-tenant PostgreSQL schema with row-level security, role-based dashboards, real-time GPS tracking, and package-based payments.

As a remote Data Science Intern at 1Stop.ai, I used Python and SQL to explore datasets, identify trends, and prepare structured data. I documented workflows and assumptions while collaborating with a distributed Agile team.

I also built a Fiscal Device Management System API with Python, FastAPI, and PostgreSQL, including JWT authentication, audit logging, and managed database migrations. My project work has also included IT controls and risk evaluation, and credit risk data analysis.