Systems Design & Architecture

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...

If your Signals code still feels like RxJS, you are quietly killing your app’s performance. Continue reading on Medium »

Image quality gets discussed a lot in document systems, but usually as a front-end technical concern:...

A lot of document workflows have an exception queue. Far fewer have an exception taxonomy. That...

Your Document Search Is Not an AI Problem — It’s a System Design Problem Continue reading on Medium »

Resource Allocation Continue reading on Medium »

Go structs look simple — but under the hood, they play a huge role in performance, memory efficiency, and system design. Continue reading on Medium »

I've had this conversation too many times. A developer joins a project, looks at the architecture,...

Building the Backend for a Spatial Memory Network: Lessons from the Trenches Alright,...

"Good code is not written. It's designed." OOP is how you design it. What Even Is...

A first-time introduction to Virtual Frame — what it is, why it exists, and how it composes...

Every engineer knows the feeling. You’re reviewing a pull request on a distributed cloud system, you spot something that makes you uneasy… Continue reading on M

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multi-tenant isolation, auth, rate limits, audit trails, approval gates and more Continue reading on Level Up Coding »

“Data dominates. (...) Data structures, not algorithms, are central to programming” — Rob Pike Continue reading on Level Up Coding »

I’ve been working on a domain-specific language for a point-and-click framework called Escoria built...

The advanced tools and real-world workflows developers use to build, ship, and scale systems without breaking everything Continue reading on Medium »

In this podcast, Michael Stiefel spoke to Matthew Liste about building and managing software platforms. Platform services act as the basis for application devel