Field notes on moving goods the right way.
Product deep-dives, engineering write-ups, and operations playbooks from the team building the operations spine for logistics.
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.
Proof of delivery that actually holds up in a dispute
Signatures, photos, and timestamps are only useful if they are trustworthy. Here is how we make POD defensible.
Running a multi-tenant control tower without losing your mind
How 3PLs onboard merchant sub-tenants in days, not quarters — and keep every tenant's world cleanly separated.
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.
4klyft raises to build the operations spine for goods in motion
We're expanding the team and the platform. A note on where we've been and where we're going.
Designing a driver app for cold hands and bad signal
The constraints of the van are nothing like the constraints of the desk. Here is how that reshapes every screen.
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