Blog
Essays on engineering and leadership, grounded in shipped work. Written from Dhaka, edited on the train, published when it earns the inbox.
The "prompt engineer" unicorn era is over, and not because the magic words stopped working. Once AI became agents, the wording of your instruction stopped deciding the outcome. What decides it is context engineering, with the research to prove it.
I still remember opening an API bill split into "input tokens" and "output tokens" and wondering what exactly I was being charged for. Here is what a token actually is, and why the price reflects computation, not text.
A reusable auth and profile module for React Native Expo apps backed by Firebase. Covers email password flows, persistence, profile state, deep links, and the small details that make onboarding feel quick.
A practical pattern for metering free tier usage and gating PDF exports behind a Stripe paywall, with Supabase Postgres as the source of truth. Covers webhooks, race conditions, and where it always goes wrong.
Architecture notes from Guru Enterprise System, a single tenant modular ERP for retailers. Why I picked FastAPI over Django, when Celery is worth the complexity, and how Postgres replaces half the infrastructure most teams reach for.
How a medical imaging desktop app uses YOLOv8 landmark detection, a Django backend, and Electron for clinical workflows. Bundling Python, latency budgets, and what the FDA mindset taught me about software discipline.
Big tech told engineers to use AI everywhere, then tracked it on leaderboards. The bills exploded but the value did not. Why tokens were never the point.
A breakdown of the small CMS that powers this site. Posts live in Supabase Postgres, markdown is rendered with unified and remark, code is highlighted by Shiki, and admin uses Server Actions. No CMS subscription, no platform lock in.
AI assistants have a hidden limit: their memory fills up like a whiteboard, and then they get worse. Here is the simple trick — sending a helper — that keeps them sharp. No tech background needed.
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