Backend architecture, Django and Python, relational databases and the everyday craft of delivering enterprise software.
A practical guide to connecting Django to Zarinpal, Zibal, Mellat and Saman with the open-source django-iranian-payment: its two layers, in…
How my Django template takes crypto through NOWPayments: creating invoices, checking the IPN's HMAC and the bug that marked bitcoin payment…
A Celery beat payout queue burned through BlockCypher's free hourly quota and leaked its API token into the payment log. How I cut the requ…
The articles here are not only about clean code; they are about what happens at the level of the system — database lock contention, the cost of opening TCP connections, and how a service behaves under real load.
