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Notes from the engineering room.

What we're building, what we learned, and why we made the calls we made.

FEATURED · PRODUCT

Why we built Ben — and why an AI should never move your money without asking.

The internal arguments that shaped our assistant's first principle: confirm before commit. A look at how we made an AI feel safe with ₦.

AE
Amaka Eze
Head of Design · 24 May 2026 · 8 min read
Ben
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ENGINEERING

How we keep transfers under 3 seconds on 3G

TA
Tunde Adeleke · 22 May 2026 · 12 min
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DESIGN

Designing for thumbs, in a country that prefers thumbs

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Amaka Eze · 18 May 2026 · 6 min
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COMPANY

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Chinedu Okwu · 12 May 2026 · 5 min
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PRODUCT

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Wiftco Team · 03 May 2026 · 4 min
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PRODUCT

The case against custom keypads in fintech

AE
Amaka Eze · 28 Apr 2026 · 7 min
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ENGINEERING

Postgres + Kafka: the boring stack behind Wiftco payments

SB
Sade Bakare · 20 Apr 2026 · 14 min
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