Use Cases

Payment challenges. Practical solutions.

Anonymised delivery records: what was failing, and what we built in response.

BankingCairo2025
Migrating a national card switch without a maintenance window
A twelve-year-old switch was clearing every card transaction in the network and could not be taken offline. Every scheme mandate cycle was landing late, and the change queue had grown past what the team could clear in a year.
Full text in preparation
Merchant acquiringCairo2025
Putting certified card acceptance on merchants' own phones
Terminal cost was the single barrier keeping small merchants on cash. Hardware economics meant the processor could not profitably serve anyone below a monthly volume floor.
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FintechKigali2024
Reaching ISO 27001 without freezing the delivery roadmap
Enterprise deals were stalling in security review. The team had good practice but no evidence trail, and an auditor-led programme would have consumed the engineering roadmap for two quarters.
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BankingKigali2024
Moving fraud review from next-morning batch to real time
Fraud was reviewed the following morning from an overnight batch. By the time an analyst opened a case the funds had usually moved, and the rule set could not be changed without a release.
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