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Recent posts tagged system-design

Level UI • 1 day • in Articles • 9 min read
An MCP server is not a new API. It is a thin layer over the one you already have
Somewhere in the last year, "do we need an MCP server?" joined the list of questions that arrive in a brief before anyone has said what the thing is for. It is usually framed as MCP vs API, as though the Model Context Protocol were a newer kind of AP...
post-cover-33074
  • ai
  • api
  • webdev
  • security
9 Reactions 7 Comments
Davidsnm • Oct 24 • in Articles • 5 min read
The Architecture of Ignorance: Engineering Synthetic Consciousness from Chemical Determinism to Pyth
> We like to believe we are something special. It comforts us to think that our choices spring from an ineffable spark called "consciousness," or from a sacred liberty we name "free will." But look closely, and there is no ghost in the machine. > >...
post-cover-32263
  • ai
  • python
  • architecture
  • system-design
3 Reactions 1 Comments
makumi • Oct 20 • in Articles • 8 min read
Why Your Product Design Is Costing You Users and You Do Not Know It
There is a version of your product that works perfectly. The features are built. The flows are connected. Every screen renders correctly on every device. You have tested it yourself, and it makes sense to you. And users are still leaving. Not becau...
post-cover-31815
  • uiuxdesign
  • startups
  • software-engineering
  • system-design
0 Reactions 0 Comments
rogo032 • Oct 7 • in Articles • 9 min read
Design a rate limiter, from fixed window to token bucket
100 requests per minute, and 200 got through I first published this on my blog, where you can pause and play with every animation: https://techinpencil.com/rate-limiter/ !https://coderlegion.com/?qa=blob&qablobid=3200477333663801509 A fixed window...
  • systemdesign
  • system-design
2 Reactions 1 Comments
MGM_Squared • Aug 30 • in Articles • 5 min read
Good Architecture Starts with Trust
Over the last few articles, I've written about architecture from several different angles. Good architecture creates engineering momentum because it helps teams make better decisions early. It includes observability because systems can't be improved...
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  • software-architecture
  • system-design
  • organizational-excellence
  • engineering-momentum
0 Reactions 0 Comments
MGM_Squared • Aug 29 • in Articles • 4 min read
Why I'm Building an Engineering Publishing Platform
Over the past several months, I've made a commitment to write more. Not because I want to become a content creator, but because I've come to appreciate how much engineering knowledge quietly disappears every day. Architecture discussions end when th...
post-cover-25780
  • publishing
  • engineering-momentum
  • system-design
  • writing
0 Reactions 0 Comments
Jeel Vankhede • Aug 17 • in Articles • 7 min read
Adding Edges Is Not a Paradigm Shift
I read the post, agreed with it, and opened my repo to plan the migration. Then I could not find the loop I was supposed to be replacing. The repo is agentsmyth, a seven-step agent chain I have been building for months. What I found was a fixed seq...
post-cover-24800
  • ai
  • ai-agents
  • software-development
  • system-design
4 Reactions 2 Comments
Valentine Shimanovsky • Jul 31 • in Articles • 1 min read
Do Not Rewrite the Legacy System. Contain It.
Understand the existing design, then isolate the change, design it cleanly, and implement it with TDD, ATDD and integration testing. Legacy systems usually do not need to be rewritten entirely. More often, a few parts create most of the pain, while...
  • software-engineering
  • system-design
  • software-development
3 Reactions 0 Comments
Gift Balogun • Jul 18 • in Articles • 3 min read
It's Been a While, Here's What I've Been Building
It's been a while since I last published anything here on CoderLegion. I didn't stop building, I just got so deep into projects that writing took a back seat. So I thought it was time to share what I've been working on over the past few months. 🚀 B...
post-cover-22971
  • brutecode
  • developerproductivity
  • system-design
11 Reactions 4 Comments
Sergey • Jul 15 • in Articles • 2 min read
Why Modern Engineering Teams Must Prioritize System Observability Over Raw Performance
Engineering teams often chase performance: faster APIs, lower latency, optimized queries, reduced CPU usage. But in 2026, performance alone is no longer the defining factor of a reliable system. Modern architectures — distributed, event‑driven, conta...
post-cover-22051
  • system-design
  • distributed-systems
  • concurrency
  • scalability
2 Reactions 1 Comments
Mohammad Yasir • Jul 15 • in Articles • 2 min read
Why Local Webhook Testing Still Feels Broken
Building webhook integrations shouldn't require deploying your application every time you make a change. One of the first things you discover when working with webhooks is that your local development environment isn't reachable from the internet. ...
post-cover-22712
  • webhooks
  • developertools
  • system-design
  • open-source
3 Reactions 2 Comments
MGM_Squared • Jul 10 • in Articles • 8 min read
Good Architecture is Built for Change
Good architecture is not built around the assumption that everything will stay the same. It is built around the reality that useful software will eventually need to change. A team may start with a clear product direction, a clean workflow, and a sy...
post-cover-22249
  • software-architecture
  • system-design
  • engineering-momentum
0 Reactions 0 Comments
MGM_Squared • Jul 10 • in Articles • 9 min read
Good Architecture Plans for Failure
Good architecture does not assume everything will work. It assumes something will fail and makes sure the team has a reasonable way to contain it, understand it, and recover from it. That may sound pessimistic, but it is really practical engineerin...
post-cover-22248
  • software-architecture
  • systemdesign
  • system-design
  • engineering-momentum
0 Reactions 0 Comments
tuni56 • Jul 2 • in Articles • 2 min read
When "Latest" isn't Actually Latest
When "Latest" Isn't Actually Latest TL;DR In distributed systems, the last record your system processes is not always the most recent event that happened in reality. Understanding the difference between Event Time and Processing Time is essential...
post-cover-21755
  • dataengineering
  • distributed-systems
  • system-design
  • kafka
1 Reactions 1 Comments
MGM_Squared • Jun 19 • in Articles • 8 min read
Good Architecture Includes Observability
Good architecture is not only about how a system is built. It is also about how well the team can understand that system once it is running. That is where observability belongs in the architecture conversation. It is common for observability to be ...
post-cover-20999
  • software-architecture
  • system-design
  • engineering-momentum
  • production-readiness
3 Reactions 1 Comments
BashSnippets • Jun 17 • in Tutorials • 6 min read
find . -delete Ran Before the Filter and Emptied the Whole Tree
I meant to delete the .cache files under a data directory. The server had been running for two months and the cache layer had grown to about 14GB. The application team told me it was safe to purge it — they'd rebuilt the cache logic and the old files...
post-cover-20867
  • bash
  • linux
  • devops
  • system-design
2 Reactions 2 Comments
Mxolisi Masuku • May 23 • in Articles • 6 min read
Why Systems For Humans, Not People?
I run a newsletter called Systems For Humanshttps://www.mxomasuku.com/newsletter I'm a software engineer. Not a data scientist, not an analyst, not a philosopher with credentials. But the longer I build software for businesses, the more I see softwa...
post-cover-18775
  • ai
  • system-design
3 Reactions 2 Comments
Lau! • May 19 • in Discussions • 1 min read
Hi Guys :) Help Me Choose the Best Payment Architecture for My Project
forumDiscussion group3 participants post-cover-18340
  • hyperledger-fabric
  • system-design
  • defi
  • payment-architecture
4 Reactions 2 Comments
Posted in AI group
ag_wizai • May 10 • in Articles • 3 min read
What I Learned Building a Multi-Agent AI System (That No Tutorial Warned Me About)
I’ve been building an AI platform called Wizard Ecosystem — a full-stack system with a multi-agent architecture, memory, tools, and orchestration layers. At first, I thought multi-agent systems would be simple: assign different roles to different a...
  • artificial-intelligence
  • python
  • system-design
  • multi-agent-studio
1 Reactions 1 Comments
Vamsi Krishna • Feb 11 • in Articles • 4 min read
Building Production-Ready Spring Boot Microservices: Lessons from Scaling to Millions
Introduction Over the past several years working in e-commerce, I've architected and scaled microservices handling millions of customer requests daily, including platforms processing over $100M in transactions. In this article, I'll share practical...
  • spring-boot
  • microservices
  • java
  • system-design
5 Reactions 3 Comments
webMethodMan • Feb 3 • in Articles • 2 min read
The Hardware Mutex: Binding LLM Context to a TPM Root of Trust
The Vulnerability: cat /proc/$PID/mem We need to stop pretending that API Keys are "Identity." If you are building an Autonomous Agent today, you are likely storing its credentials OAuth tokens, PEM keys in memory. This works fine for a stateless c...
post-cover-11007
  • system-design
  • security
  • ai-architecture
  • tpm
2 Reactions 2 Comments
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