Systems Design & Architecture

Sit in the protocol's seat during an incident. The job is clear and brutal: pause the contracts,...

Cómo robo gpt antropic gémini y los sistemas en los que se quieren quedar con eso tengo todo documentado si quieren evidencia ahora tienen… Continue reading on

Before migrating a distributed database to the cloud, do not start with node count or capacity sizing. Start with the failure model. Decide replication strategy

The Three‑File Architecture The Foundation of the Entire System 1....

Efficient C++ Programming for Modern 64-bit CPUs, Chapter 4/part 2 Here comes the 2nd installment of (VERY DRAFT) Chapters from my (and Dmytro Ivanchykhin's) up

Step-by-step guide to wiring Sanity CMS role-based access control with document-level permissions in a Next.js project. Covers custom roles, GROQ filters, and S

A founder asked me last year to review the architecture his agency had pitched. Eleven services. A...

A schema level walkthrough of building data architecture: the node types, edges, queries, and update flows that will make a digital twin… Continue reading on Me

Our workflow engine is designed to be more than just a pre-defined set of nodes. We recognize that...

By Faiz Ullah — Android Developer & Founder of DG Technology A wallpaper app sounds simple:...

Stop Spatially Disoriented Traces: Mapping JEP 480 Structured Concurrency Topologies in...

Imagine building an e-commerce application where user registration, product management, payment processing, order tracking, inventory… Continue reading on Mediu

Go's Type System — Structs, Interfaces, and Life Without Inheritance In part 1 of this...

Web engineering prizes speed and scale, but healthcare engineering offers a deeper lesson: silent failure is the worst kind of failure.

A search feature gets slow not because you lack a search engine, but because the access pattern outgrew the data model. To fix it before buying new infrastructu

As a Java beginner, you may expect an array to print its elements. However, when you run the following code: Continue reading on Medium »

Series context: This is Part 7 of the E-commerce Order Allocation series. The distance matrix built...

Addition is the single most common operation a digital circuit performs. Every time a processor increments a counter, calculates a memory… Continue reading on M

Users hit "ChunkLoadError: Loading chunk failed" after you deploy. It is a version-skew problem, not a code bug. Here are the real causes and the official Next.

Writing code that works is only the first step. Writing code that is easy to understand, extend, test, and maintain is what separates good… Continue reading on

I spent months writing this series. Fourteen articles, one CLI project, and a capstone where i built a working key-value store that… Continue reading on Systems

My first on-call rotation was a chaotic experience that taught me the value of documentation in system design. I learned more about it in one week than in years

A Full-Stack AI Travel Planner Continue reading on Medium »

When people talk about system design, the conversation often starts with diagrams. Continue reading on Medium »

Most software architectures end up looking like the Leaning Tower of Pisa: fundamentally flawed, structurally terrifying, but somehow held… Continue reading on

Simon Brown explains that the C4 Model started not as a grand design theory, but as a practical answer to an embarrassing problem. Furthermore, he answers the q

I started wanting to write Haskell in TypeScript and ended up with three helpers and a lesson. An honest breakdown of which functional patterns survive in a rea

You’ve probably written a class, added a few methods, maybe even thrown in some inheritance. And then one day a weird bug shows up because… Continue reading on

The failure modes that take systems down, and where to look for each one Continue reading on Medium »

How we decide is at the core of architecture, and the architecture advice process is a way to decentralize architectural decisions. It needs to be supported by

Stop memorising UML diagrams. Start seeing patterns in the code you write every day. Continue reading on Medium »

I went back to Dijkstra’s On the role of scientific thought this week , the 1974 essay that gave us “separation of concerns.” Continue reading on Medium »

At first, age calculation looks like one of the easiest problems in programming. You take today’s...

Three rejections. Same feedback every time. The fix took one weekend to understand. Continue reading on Medium »

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A Declaration of Computing Independence Continue reading on Light_OS »

We are building massive, distributed enterprise systems. Continue reading on Medium »

Every non-trivial business operation touches more than one system. An e-commerce order reserves...

There are basically 2 types of architectures in software development: Microservice...

“First solve the problem, then write the code. Before writing the code, design the system.”  Continue reading on Medium »

From spaghetti to scalable: How to build correct systems? Continue reading on Level Up Coding »

How I built SnapShelf, an always-on-top staging shelf for Windows, and the WebView2, OLE drag-and-drop, and MSIX rabbit holes I fell into along the way.

Until now, you picked a programming language based on what you knew, what your team knew, or what the...

A founder told me last year: "We need admin features shipped by Friday. Can we just hardcode the...

If you play D&D or tabletop RPGs, you know the map problem: either you spend hours drawing maps...

The fastest way to learn system design isn’t a course — it’s reading how real teams solved real problems at scale. Continue reading on Medium »

Managing state in a growing React application often starts simple but can quickly become chaotic. Components pass data through multiple… Continue reading on Med

Most applications perform well when traffic is small. A few hundred users. Maybe a few thousand. Continue reading on AlgoMart »