Architecture
What Kafka Actually Solves—and What It Doesn't
A practical boundary for using Kafka as a durable event log and integration substrate without treating it as a universal architecture.
Read the note →ZAFAR SIDDIQI
Architecture · Engineering · Building
Field notes from a working architect
Building reliable systems, making difficult decisions, and creating useful products.
I'm Zafar Siddiqi, a hands-on technology architect writing about enterprise engineering, architecture trade-offs, and the long transition from consultant to product builder.
What I write about
Three working concernsArchitecture
Boundaries, event-driven systems, Java, Spring Boot, Quarkus, and the trade-offs behind distributed systems.
Engineering Practice
Technical judgment, delivery under pressure, leadership, and decisions that keep teams moving.
Building Products
SaaS experiments, responsible AI, sustainable work, and the practical path from idea to useful product.
Latest thinking
Field Notes
Architecture
Spring Boot Modular Monoliths: A Better Starting Point Than Microservices
How to create meaningful boundaries in a Spring Boot application before paying the operational cost of distributed systems.
Read the note →Entrepreneurship
Building with Barakah
Why sustainable tech businesses require more than viable product-market fit.
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