Load-testing PhotoDrop to 10,000 photosCover coming soon
Performance
Load-testing PhotoDrop to 10,000 photos
How we broke the system on purpose, and what we changed.
Coming soon
Writing
Notes from the work.
Software engineering and AI, written from real projects: what I built, what broke, and what I'd do again.
M-Pesa callbacks that never charge twiceCover coming soon
Payments
M-Pesa callbacks that never charge twice
Idempotency, reconciliation and what to do when Safaricom retries.
Coming soon
Kenyan payroll in codeCover coming soon
Domain
Kenyan payroll in code
PAYE bands, NSSF tiers, SHIF and the Housing Levy, tested.
Coming soon
Contact
Have an idea or a system to build?
Tell me what you need. I'll reply within a day with questions, a rough approach, or a time to talk.
Emailamosmn4@gmail.com
Phone+254745600377
WhatsApp+254745600377
Based inNairobi, Kenya · working worldwide