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Author
Callistus Nkamuo
Staff Engineer, 4klyft
Works on the routing engine and the public API. Believes the best logistics software is the software dispatchers forget they are using.
2 posts
Engineering
How we re-sequenced 4,000 stops in real time on Black Friday
A behind-the-scenes look at the routing engine under peak load — and the three decisions that kept every carrier moving.
18 Jun 2026 · 9 min read
Engineering
Why every screen in 4klyft is also an API call
Building API-first is a constraint that makes the product better for everyone — not just developers.
22 Apr 2026 · 5 min read