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Systems Design & Architecture

Scalability, databases, microservices, APIs, caching and distributed systems

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Systems Design Basics
beginner
Explain SQL vs NoSQL tradeoffs
Distributed Systems
intermediate
Design event-driven systems with message queues
AI Systems Design
advanced
Design an LLM inference cluster with vLLM
All Reads (3,899) Articles (330)Blog Posts (2849)Tutorials (469)Research Papers (5)News (246)
System Design Interviews in 2026 Are Different Now — And Most People Are Still Preparing Wrong
Medium · Python 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
System Design Interviews in 2026 Are Different Now — And Most People Are Still Preparing Wrong
I went through four loops this year at companies that pay top of band. Continue reading on Stackademic »
System Design Interviews in 2026 Are Different Now — And Most People Are Still Preparing Wrong
Medium · JavaScript 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
System Design Interviews in 2026 Are Different Now — And Most People Are Still Preparing Wrong
I went through four loops this year at companies that pay top of band. Continue reading on Stackademic »
Architecture of Chaos: Taming a Planet-Scale Financial Beast (Part 1 — Lying Clocks & Vector Clocks)
Dev.to · Mehmet TURAÇ 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Architecture of Chaos: Taming a Planet-Scale Financial Beast (Part 1 — Lying Clocks & Vector Clocks)
"Selim, you have six months. In six months, the system either goes planet-scale, or we go bankrupt....
Browser Router
Dev.to · Deva I 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Browser Router
What is browser Router : A BrowserRouter is a core component in the popular web framework...
ArXiv cs.AI 🏗️ Systems Design & Architecture 📄 Paper ⚡ AI Lesson 1mo ago
OpenURMA: A Clean-Room Open Implementation of the Unified Bus Protocol
arXiv:2605.28717v1 Announce Type: new Abstract: Modern datacenter RDMA is bottlenecked at the network interface, not the wire. A NIC running RoCE or InfiniBand
Dev.to AI 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Topology rewrite not bug repair
Topology rewrite not bug repair. A single line. Hold it. More as the build matures. — chiefmojo79
Your Frontend State Management Is Becoming a Distributed Monolith
Medium · Programming 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Your Frontend State Management Is Becoming a Distributed Monolith
When state exists everywhere, ownership disappears and the application becomes impossible to reason about. Continue reading on Angular Engineering »
Design for Failure
Medium · Programming 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Design for Failure
Why your dashboards stay green while production burns — 5 lessons from 15 years of distributed-systems failures. Continue reading on Medium »
Dev.to AI 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Architecture preempts the experiment
Architecture preempts the experiment. A single line. Hold it. More as the build matures. — chiefmojo79
Medium · AI 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
We May Have Misunderstood Where Software Complexity Comes From
Why the next bottleneck in engineering isn’t computation, but our ability to sustain coherent truth inside accelerated cognitive systems. Continue reading on Me
Design a rate limiter: what the interviewer is actually grading
Medium · Programming 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Design a rate limiter: what the interviewer is actually grading
Not token bucket vs sliding window — how to show your thinking structure Continue reading on Stackademic »
7 Rust Design Patterns: How I Levelled Up My Systems Code in 2026 ✨
Medium · Programming 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
7 Rust Design Patterns: How I Levelled Up My Systems Code in 2026 ✨
You ever just sit there, staring at a blank editor, knowing the system you’re about to build needs to be, like, super solid, crazy fast… Continue reading on Med
The first 90 seconds of a system design interview decide everything
Medium · Programming 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
The first 90 seconds of a system design interview decide everything
Scoping questions, scale axis, sequencing — what to say before you draw anything Continue reading on Stackademic »
Why Hytales Treasure Hunt Engines Explode Under Load (And How We Fixed It Without Losing Ourselves)
Dev.to · Lillian Dube 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Why Hytales Treasure Hunt Engines Explode Under Load (And How We Fixed It Without Losing Ourselves)
The Problem We Were Actually Solving The Hytale engine triggers events through a simple...
Reddit r/webdev 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Have you worked with a system that has both loose lot \ handling unit and dual inventory system?
Is there a system that can handle this? Handling units where one row in the DB can have both pieces and kg ex. HU Code 001; Article PART1; Lot code ABC; Locatio
21/30 Days System Design Questions!
Dev.to · Joud Awad 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
21/30 Days System Design Questions!
You're shipping an AI chat product. The LLM streams ~40 tokens/sec per user. 50,000 concurrent users...
Interviewer: How to Design a Vehicle GPS Data Processing System at Massive Scale
Medium · Programming 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Interviewer: How to Design a Vehicle GPS Data Processing System at Massive Scale
Modern connected vehicle platforms are no longer simple tracking systems. They are high-throughput distributed data platforms processing… Continue reading on Me
When Your Search Tree Becomes the Bottleneck in a Distributed Game Server
Dev.to · pretty ncube 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
When Your Search Tree Becomes the Bottleneck in a Distributed Game Server
The Problem We Were Actually Solving In Hytales Veltrix region server, each treasure hunt...
Reddit r/programming 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Dungeons, Dragons & Developers • Matt Brunt
This talk is a look at some of the parallels between Dungeons and Dragons, and software development. submitted by /u/goto-con [link] [comments]
The Day the Event Store Became a Black Hole
Dev.to · mary moloyi 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
The Day the Event Store Became a Black Hole
The Problem We Were Actually Solving It started with a simple requirement: store every user action...
Building an Offline-First Architecture for 40,000+ Concurrent RFID Scans
Dev.to · stampiq 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Building an Offline-First Architecture for 40,000+ Concurrent RFID Scans
If you build consumer web apps, a 2-second API latency is an annoyance. If you build infrastructure...
Dev.to AI 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Architecture preempts the experiment
Architecture preempts the experiment. A single line. Hold it. More as the build matures. — chiefmojo79
The Hidden Cost of Idempotency in Distributed Systems
Dev.to · Mustafa ERBAY 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
The Hidden Cost of Idempotency in Distributed Systems
The ability for operations to produce the same result even when executed multiple times, known as...
Symfony UX Changed What Twig Can Do. Most Developers Missed It
Medium · UX Design 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Symfony UX Changed What Twig Can Do. Most Developers Missed It
The PHP world changed a lot in the last five years. React, Vue, and Svelte took over the frontend. API-first architectures became the norm… Continue reading on
You Don't Need Microservices Yet: A Reality Check for Devs
Dev.to · BLNCraft 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
You Don't Need Microservices Yet: A Reality Check for Devs
You spent three years building a distributed system. Kubernetes clusters, service meshes,...
CLAUDE.md for Astro: 13 Rules That Stop AI from Shipping Too Much JavaScript
Dev.to · Olivia Craft 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
CLAUDE.md for Astro: 13 Rules That Stop AI from Shipping Too Much JavaScript
Astro is built around one idea: ship less JavaScript. Islands architecture means only the interactive...
4 Pillars of OOPS in Java: A Beginner’s Guide to Object Oriented Programming
Medium · JavaScript 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
4 Pillars of OOPS in Java: A Beginner’s Guide to Object Oriented Programming
Learn the 4 pillars of OOPS in Java — Encapsulation, Inheritance, Polymorphism, and Abstraction — with simple examples and real-world… Continue reading on Mediu
Treasure Hunt Engine Blew Up When We Asked It To Grow
Dev.to · pretty ncube 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Treasure Hunt Engine Blew Up When We Asked It To Grow
The Problem We Were Actually Solving Hytales treasure-hunt system is a micro-game that can...
Designing a Modular Wiring Harness for Multi-Function Vehicle Trackers
Dev.to · applekoiot 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Designing a Modular Wiring Harness for Multi-Function Vehicle Trackers
How to allocate a 9-pin connector across 6 swappable modules for fleet, cold chain, security, and e-vehicle tracking.
BOM Denormalization in ERP: Is It Always the Solution?
Dev.to · Mustafa ERBAY 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
BOM Denormalization in ERP: Is It Always the Solution?
BOM Denormalization: Shortcut or Trap? In a manufacturing ERP, especially in systems with...
I shipped 29 browser-only image tools. These 5 boring patterns kept the codebase sane
Dev.to · Zihang Dong 董子航 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
I shipped 29 browser-only image tools. These 5 boring patterns kept the codebase sane
I thought building browser-only image tools would mostly be about Canvas APIs and file formats. It...
Dev.to AI 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Architecture preempts the experiment
Architecture preempts the experiment. A single line. Hold it. More as the build matures. — chiefmojo79
Rux: A Modern Systems Programming Language Worth Watching
Dev.to · Nathan C. 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Rux: A Modern Systems Programming Language Worth Watching
The programming language ecosystem evolves quickly, but occasionally a new project appears with a...
The Python Systems I Built After 4 Years of Trial and Error
Medium · Python 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
The Python Systems I Built After 4 Years of Trial and Error
How I Stopped Writing Scripts and Started Engineering Automation Engines. Continue reading on Top Python Libraries »
Systems Primitives: A Practical Reading Framework
Dev.to · Jovann Thompson 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Systems Primitives: A Practical Reading Framework
While debugging my first software system, I kept running into the same problem: I could see failures...
Dev.to AI 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Architecture preempts the experiment
Architecture preempts the experiment. A single line. Hold it. More as the build matures. — chiefmojo79
Islands Architecture: The Idea That Changes How You Think About Web Performance
Medium · Programming 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Islands Architecture: The Idea That Changes How You Think About Web Performance
Once you understand Islands Architecture, you’ll start seeing it everywhere — in the sites you visit, in the frameworks you use, and in… Continue reading on Med
Queueing Requests Queues Your Capacity Problems, Too
Reddit r/webdev 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Queueing Requests Queues Your Capacity Problems, Too
submitted by <a href="https://www.reddit.com/user/fag
Distributed Systems: Implementing the Raft Consensus Protocol from Scratch
Dev.to · Ebendttl 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Distributed Systems: Implementing the Raft Consensus Protocol from Scratch
Deconstructing distributed consensus, state machine replication, leader election algorithms, and split-brain mitigation in distributed clusters.
Scale Wars #5 — Twitter: The Fan-out Pattern and the Architecture Behind 140 Characters
Dev.to · Mehmet TURAÇ 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Scale Wars #5 — Twitter: The Fan-out Pattern and the Architecture Behind 140 Characters
When Lady Gaga tweets, 50 million timelines need updating. Twitter's hybrid fan-out strategy, Manhattan DB, and the Snowflake ID system.
Reddit r/learnprogramming 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Give me architecture tips for my python project.
So, I make my own I'd say psuedo-user which shall imitate as a normal one person in Discord. Yeah, it should work on a local LLM. Okay, I am thinking about: "Sh
Dev.to AI 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Architecture preempts the experiment
Architecture preempts the experiment. A single line. Hold it. More as the build matures. — chiefmojo79
Clean Architecture in MongoDB + C#: Why is the Repository Pattern Alone Not Enough?
Dev.to · Filipe Neves 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Clean Architecture in MongoDB + C#: Why is the Repository Pattern Alone Not Enough?
This article is based on a public repository I created. You can check the full project and follow...
Dev.to AI 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Topology rewrite not bug repair
Topology rewrite not bug repair. A single line. Hold it. More as the build matures. — chiefmojo79
Genesis-GAL: Multiplatform Core Architecture (C++, Kotlin, Python) for CPU Thermal Optimization & Jitter Mitigation
Dev.to · Juan Gonzalez 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Genesis-GAL: Multiplatform Core Architecture (C++, Kotlin, Python) for CPU Thermal Optimization & Jitter Mitigation
Hi everyone! I want to share the v1.0.0 Alpha release of Génesis-GAL (Project PX-GEN-2026-ALPHA),...
17/30 Days System Design Questions!
Dev.to · Joud Awad 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
17/30 Days System Design Questions!
Your Kafka consumer is processing 800 events/sec. The producer just hit 5,000 events/sec and it’s...
Hexagonal Architecture in Practice: Ports, Adapters, and Tests That Skip the Database
Dev.to · Ian Johnson 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Hexagonal Architecture in Practice: Ports, Adapters, and Tests That Skip the Database
This is the technical companion to a piece I wrote about cutting our CI from ~20 minutes to ~5. That...
Zero-allocation TypeScript game loops: 60 fps on a mid-range Android phone
Dev.to · Grzegorz Otto 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo ago
Zero-allocation TypeScript game loops: 60 fps on a mid-range Android phone
16.67 ms sounds generous until a garbage collector decides to think. Across three Android devices...