Systems Design & Architecture

How React Server Components, Next.js, and the New Full-Stack Pattern Are Reshaping Modern Web Architecture Continue reading on Medium »

Make invalid states unrepresentable. Three Go patterns that turn runtime bugs into compile errors: parse-don't-validate, states-as-types, phantom types.

If you look closely at how modern businesses operate today, one thing becomes obvious — nothing runs on a single system anymore. Continue reading on Medium »

Discover critical architecture decisions for building scalable ecommerce storefronts. Learn how composable architecture, component-based design, and A

Platform engineering has to be approached from a socio-technical perspective, and shaped by all stakeholders, not just developers, Sergiu Petean said in his tal

Most systems validate too late — and that’s why they fail when it matters Continue reading on Medium »

I thought System Design was all about memorizing patterns for interviews. Turns out, that was the...

Move a Go monolith to small hex services one route at a time. Each step ships behind a flag. No feature freeze. No big-bang weekend cutover.

You left that interview thinking you did okay. The rejection email arrived four days later. No explanation, just “we have decided not to… Continue reading on Me

Quando a gente começa a estudar programação, é comum colocar tudo no mesmo balaio e chamar qualquer...

One aggregate change per database transaction. That single rule cuts most of the aggregate-design confusion in DDD. Here is how it lands in Go.

One aggregate change per database transaction. That single rule cuts most of the aggregate-design confusion in DDD. Here is how it lands in Go.

A deep dive into how Apache Flink works, why it exists, and learning it while building a real-time recommendation engine The post System Design Series: Apache F

In the world of high-performance programming, we are obsessed with Slices. We want to take a small...

LeetDezine Everyone can describe a URL shortener. Write a row to the DB, generate a short code,...

Supabase Multi-Tenant Design — RLS Tenant Isolation, Admin Roles, and Invite Flow DB...

Continue reading on Medium »

The Cisco 300-830 certification is an advanced-level exam designed for IT professionals who want to deepen their expertise in collaboration systems, particularl

Go has no classes, but value objects are the most underused DDD weapon in Go codebases. Four patterns that make invalid state unrepresentable.

In hexagonal Go, main() is your composition root. No DI container, no init() magic. Every dependency visible in one place.

Let me describe a scene. I’m willing to bet you’ve lived some version of it. Continue reading on Medium »

What algebraic topology reveals about cascading failures, hidden cycles, and the shape of system fragility. Continue reading on Stackademic »

What is DOM? DOM(Document Object Model)is a programming interface that represents a web page as a...

🧘 The Final Lesson We’ve travelled a long road together. Article 1 – Every Software...

I maintain a single HTML file as an architecture board for the product I'm building. Definitions,...

A few schemes that don’t work and a novel scheme that does. Continue reading on Medium »

Your AI works in a notebook. It fails in production. System design is why. Continue reading on Medium »

If you find this helpful, please like, bookmark, and follow. To keep learning along, follow this...

I solved 847 LeetCode problems. I could design Twitter in my sleep. I failed 19 consecutive interviews. The reason had nothing to do with… Continue reading on S

They walked into the system design round knowing exactly what the interviewer was writing down. You probably don’t. Continue reading on Stackademic »

One bad whiteboard session can cost you more than a year of raises — and most engineers don’t even realize it’s happening Continue reading on Stackademic »

This article covers a few important tips to consider before choosing micro-frontends for your tech stack. I also cover what other tools fit well with it (AI) bu

MVVM — Model-View-ViewModel — is a design pattern that separates your application into three distinct responsibilities. It was popularized… Continue reading on

It’s 4:55 PM on a Friday. Your marketing lead drops a message: “The holiday banner is wrong. It...

Modern applications demand scalability, resilience, and real-time responsiveness. Traditional request-response (REST) systems often become… Continue reading on

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You upgrade TanStack Query to v5. Your app builds. Tests pass. You open the dashboard and every...

From alerts to approvals — how to turn Discord into a reliable control layer for production systems Continue reading on Medium »

The Invoice — Episode 19 "mTLS, observability, traffic management, zero-code retries. You need a...

If something is mission-critical, and you only have one of it, you will be in trouble if that one item should be lost, damaged, or stop… Continue reading on Med

Sleeping Barber Problem The sleeping barber problem is a classic concurrency problem...

Java LLD: Designing a Scalable Job Scheduler Without Busy Polling In my time at companies...

Building Figma-like real-time collaboration for your app? Stop fighting Redux/Zustand. We built...

Lessons from 14 years of building backend systems and a decade underwater — and why the physics of failure is the same in both worlds.

When you connect real systems - ERPs, APIs, AI workflows - things don’t behave cleanly. Requests...

I've spent the past few weeks going deep on Unix and Linux systems programming — reading TLPI,...

The scene this week In the span of 48 hours in late April 2026, four of the largest...

Building distributed systems in Python? Here is how python-cqrs tackles consistency with orchestrated...