Writing

Notes on building

Field notes on full-stack engineering, AI integration, and shipping production software — written from real projects, not theory.

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Shipping AI biometrics into a national bank: lessons from building e-KYC at CPA

OCR + FastMRZ for document intelligence, DeepFace for face matching, OpenCV for liveness — how we stitched it all together inside a regulated banking environment and kept the pipeline fast enough to feel instant on mid-range Android devices.

Oct 4, 2025·14 min read

Feb 8, 2026

Building with LLMs: what actually changes when your API calls a model instead of a database

Non-determinism, prompts as an untyped contract, when retrieval actually earns its complexity, and why evaluation — not the model — ends up being the hard part.

LLMAIEngineering

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Sep 18, 2025

Designing an RBAC engine that doesn't make your CTO cry

What we learned building role-based access for researchers, project leads and admins in the CDTA RDIS platform.

RBACNestJSArchitecture

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Jul 22, 2025

Spring Boot & React Native: a banking app's two halves

Building the Diar Dzair virtual bank — how the mobile UX and the Java backend stay in sync.

Spring BootReact NativeMobile

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May 30, 2025

The shape of a great REST API

Naming, versioning, errors, idempotency. A field guide pulled from four production NestJS backends.

RESTDeveloper Experience

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Apr 12, 2025

Why I teach: notes from BrainerX

Mentoring made me a better engineer. What I learned teaching juniors how to think in systems.

MentorshipCraft

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Nov 4, 2024

From C# .NET to TypeScript: a one-year migration of muscle memory

What snapped, what carried over, and the patterns I now write in both stacks without thinking.

.NETTypeScriptCareer

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