Founding · Marketplaces · 4 min
MaketAam: My First Foray into Entrepreneurship
In 2019, before crypto, wallets or video, I co-founded a marketplace that held the buyer's money until the item arrived. Most of what I still build started there.
Essays on the systems in this archive, and Operator Notes: field notes from building, deciding and carrying the cost of clarity.
New essays
Long-form essays on the systems in this archive: what was built, why, and what it taught me.
Founding · Marketplaces · 4 min
In 2019, before crypto, wallets or video, I co-founded a marketplace that held the buyer's money until the item arrived. Most of what I still build started there.
Founding · Leadership · 2 min
Not vision, grit or passion. A life where every decision costs something real, and the discipline to keep deciding anyway.
AI engineering · Testing · 5 min
An autonomous system that decides what to test has to grade its own homework against what the scans actually found, or it becomes confident noise.
Verification · Trust · 5 min
A security or quality report you have to take on trust is marketing. A sealed, independently checkable one is evidence. The difference is the whole product.
Testing · Security · 5 min
You cannot test what you cannot reach. Authenticated API testing means signing in the way a real client does, and never letting a secret touch the conversation.
AI engineering · Verification · 5 min
Coding agents made writing software almost free. Shipping barely moved, because the queue is now at verification, not at the keyboard.
AI engineering · Infrastructure · 5 min
In production, the fast-versus-deep model choice is the wrong axis. Classify the task, route it to the model that fits, and give every route a fallback chain.
AI engineering · Leadership · 5 min
If coding agents write production code, the instructions and skills that steer them are production code too. Version them, review them, test them, roll them out.
Fintech · Architecture · 5 min
Moving money and granting rights are separate systems that fail in separate ways. Across video, investing and payments, I learned to design the bridge between them explicitly.
10 entries · Engineering and product experiments at Circo, 2024–2026
Circo-focused engineering and product experiments from a creator-first video platform: video infrastructure, DRM and provenance, live premieres, moderation, recommendations, the move to WebSockets and the years we took peer-to-peer seriously.
Operator Notes
Latest · AI engineering · 4 Apr 2026
How a five-agent infrastructure, a custom Bun fork and a JSON file changed how I ship software.
From the blog · 13 essays
Money, crypto and the infrastructure of trust, mostly from Africa.
From the blog · 8 essays
Companies, leadership and the agreements that hold teams together.
From the blog · 7 essays
Reflections on faith, persistence and why we build at all.
Operator Notes · 2020–2021
Where the newsletter began: payments, crypto and the companies shaping African tech.
Operator Notes
Field notes from building, deciding and carrying the cost of clarity.
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