Our work - Real systems, real clients, real conditions.

Four engagements across AI, education, maritime, and software delivery. Each one different in scope — the same standard of delivery throughout.

Luma Learn

Fractional CTO and system rebuild

March 2026

100k+ users · ~2 months

Rebuilding an AI tutor for real scale

Luma Learn's AI tutoring system — 24/7 delivery via WhatsApp and web — was buckling under real growth.

We rebuilt it around clear service boundaries, async processing, and operational visibility. The result: a system that handles 100k+ users without the codebase itself becoming the risk.

“Luma Learn operates at serious scale across South Africa, and William built the architecture that makes that possible. Modular, clean, AWS-native, and designed with our actual product needs in mind, not just best practices in isolation. He's a technically exceptional engineer who genuinely invests in understanding what you're building and why.”

Matt Cornelius, CPO & Co-Founder, Luma Learn

OneSea

Web & mobile app development

January 2023

Maritime platform · Multi-app ecosystem

Building a platform for the maritime industry

OneSea is an in-house Zebra Labs venture focused on modernising vessel operations through a shared platform and app ecosystem.

We built the platform and shipped the first product: Sentry — a real-time passenger manifest and safety system for vessel embarkation workflows.

“After years aboard a large yacht, I noticed the industry is ripe for change. But effective change requires deep industry insight and technical ability; a rare combination which our team brings to the table.”

Luke Leach, OneSea Co-Founder

Erickson Coaching International

Web app development and consultation services

August 2022

40+ countries · Enterprise stability

A program finder built for global scale

Erickson Coaching International needed prospective students to find and explore coaching programs across 40+ countries in multiple languages.

We built a program finder with the filtering, scheduling, and integration reliability to handle real international load.

“Zebra Labs professionalism, commitment, competence, and dedication to understanding our requirements made this collaboration a success. We recommend them as a technology partner for developing effective, user-centric digital solutions.”

Maryna Nezar, CTO, Erickson Coaching International

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