Systems Design & Architecture

The Quest Begins (The "Why") I was knee‑deep in a side‑project that needed a global rate...

I’m a systems engineer who never wrote real code. AI got me building — and showed me that the failures everyone blames on vibe coding actua Continue reading on

Modern SaaS platforms rely on real‑time data processing, automation, and integrations with external...

Angular is known for providing developers with a high level of abstraction. Router, HttpClient,...

SDD doesn’t eliminate vendor lock-in — it moves it up: from model to format, toolchain, and nondeterministic generator. A map of five… Continue reading on Mediu

A Story-Driven Guide to Building Scalable Systems from Scratch Continue reading on Medium »

Preface — some context Continue reading on Data Science Collective »

Consistent Hashing Explained: The Smart Way to Scale Distributed Systems Most system...

Every framework is shaped by a set of design principles. These principles influence how concepts are...

Every CMS looks simple on day one. You install it, choose a theme, add a few plugins, and launch...

Vibe coding feels like the future until the code breaks in production and nobody understands what they shipped. Continue reading on Medium »

Understanding B-trees: The Secret to Efficient Database Indexing Imagine you're at a...

Most developers do not have a Redux problem. They have a thinking problem. Continue reading on Medium »

Most developers do not have a Redux problem. They have a thinking problem. Continue reading on Medium »

If there is one topic that makes new C++ developers genuinely nervous, it is pointers. Continue reading on Medium »

A real-world Rust performance story about heap allocation, small arrays, CPU cache, and why insertion sort sometimes beats a default sort.

Most applications don’t fail because they cannot write data fast enough. Continue reading on AlgoMart »

Imagine this scenario: A user is checking out on your e-commerce platform. They click the “Pay Now” button, but their internet jitters… Continue reading on Medi

Your team just shipped "offline mode" for your field-service app. Technicians work in basements,...

When you build a marketplace that connects two sides, manufacturers on one side and distributors on...

Porting Java's layered scaffolding into Go buys ceremony, not safety Continue reading on Programmer’s Career »

In the previous post, I wrote about RESP — the protocol layer that lets a Redis server understand...

So I'm trying to make a dynamic library/shared object loader from scratch (without libc) for linux/posix-like systems, but there's little to no resources for it

Every dot in a method chain is a dependency you didn’t intend to write. Continue reading on Level Up Coding »

Creating maintainable state machines using JavaScript generators Continue reading on Level Up Coding »

Durante mucho tiempo asocié el desarrollo de software con programar funcionalidades: crear entidades,...

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