Rijk de Wet

Playing an integral role in developing Omni's flagship product: our calculator widget and its underlying state management and mathematical engine. Also contributing to various internal projects, most notably our custom-built algebraic equation-solving microservice that powers our calculators' omni-directional math. Sole maintainer of our time-logging Chrome extension.

Designed and implemented complex calculators using Omni's engine and additional client-side JavaScript. Researched topics and problems, created formulas that capture their mathematical workings, and used these as foundation to build interactive user experiences that solve real-life problems and answer real-world questions. Wrote accompanying articles with SEO in mind.

Below, you can find some of the calculators I made while working at Omni.

You're looking at it! My personal portfolio site exhibiting my experience, skills, and hobby projects. Light and dark themes, without flashing unstyled content. Analytics with Umami. Has the Sanity Studio mounted, with custom controls to rebuild the site after any content changes. Excellent SEO and accessibility — check it out with Lighthouse. Uses a monorepo structure to keep concerns separate.

A virtually indistinguishable clone of the New York Times' hit web-game. Built from scratch using vanilla HTML, CSS, and TypeScript. Uses the MVC pattern.

A homepage for a local music studio built using Astro. The site provides profile pages for students, updates on upcoming events and studio-related news, and a catalogue of in-house products.

A journal article in the proceedings of ISMSI 2023 detailing the capstone project of my master's degree. Applied a novel adaptation of the classical particle swarm optimization to the problem of data clustering. Implemented the algorithm from scratch, performed hundreds of experiments to tune algorithm hyperparameters, and used statistical tests to interpret the results.

Learnt to develop innovative optimization and machine learning techniques to produce novel, efficient and robust data science technologies, for use in industrial engineering, engineering management, and related applications.

Learnt of high-level computer science and software systems such as Internet communication, web development, machine learning, and design of both hardware and software.