Async Processing: The Secret to Surviving Spikes
How decoupling work from requests helps systems stay stable under load In the previous part, we saw the limitations of synchronous systems. When every…
DevOps
⚑ Report a ProblemLatest DevOps news from Tech News
All topics
agents
ai
api
architecture
automation
aws
beginners
claude
cloud
database
devchallenge
devops
docker
googlecloud
javascript
kubernetes
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
security
showdev
testing
tutorial
typescript
webdev
Building Real-Time Chat That Doesn’t Break at Scale (and Actually Uses AI Properly)
Building Real-Time Chat That Doesn’t Break at Scale (and Actually Uses AI Properly) Most teams underestimate chat. When you try to go past the demo, c…
Microservices: A Practical Crash Course for Engineers Who Actually Ship
Microservices: A Practical Crash Course for Engineers Who Actually Ship Microservices have become one of the most discussed architectural patterns in …
Bank Financial ERP: 20-Module Banking-Grade Enterprise System
WHAT MOST PEOPLE DON'T REALIZE ABOUT BANKING SOFTWARE When people think about software for banks, they usually think about the customer-facing side — …
From HTTP Chaos to Kafka: How We Fixed Inter-Service Communication in a NestJS Microservices Platform
From HTTP Chaos to Kafka: How We Fixed Inter-Service Communication in a NestJS Microservices Platform A technical deep-dive into replacing synchronous…
Stop Building One Giant Prompt: A Better Way to Design LLM Systems
## Most early LLM apps start the same way: “Let’s just put everything into one prompt and let the model handle it.” So we write a prompt that tries to…
MCP + gRPC: The Missing Piece for Production-Ready AI Agents (No More JSON Pain!)
“Your AI agents are smart… but your infrastructure is still stuck in JSON?” Let’s fix that. 🌍 The Big Shift: From Local Toy → Enterprise-Ready AI Unti…
Message Queues Explained: RabbitMQ vs Kafka vs SQS — When to Use What
Why Message Queues? Imagine Service A needs to send emails after a user signs up. If it calls the email service directly: What if the email service is…
How PayPal Scales Payments: The Architecture of Global Trust
In this guide, we explore system. Your transaction is pending. A timeout occurs. Now you're staring at a screen wondering if you just paid $1,000 twic…
Notes on Rethinking Messaging Protocols for Fragmented Networks
The world of chat is changing faster than ever. For a long time, we all lived in a "Mobile-First" world. If you were building an app, you just wanted …
Designing a Serverless Order System on AWS (Beyond CRUD)
Most applications start as simple CRUD systems - create, read, update, delete. But the moment you try to model something that reflects real-world oper…
Java LLD: Designing a Kafka-Like Message Queue for Machine Coding Interviews
Java LLD: Designing a Kafka-Like Message Queue for Machine Coding Interviews Designing a high-performance message queue is a frequent requirement in s…
The Accountant: Optimizing AI Costs with Semantic Routing
We’ve solved the Reliability problem with The Judge . We have a system that can scientifically prove whether our Forensic Team is accurate. But there’…
Reacting to Database Changes in Real-Time: How I Built a CDC Tool
I built youjustneedpostgres.com to argue that most teams could use Postgres for almost everything. For queues, for search, for documents. The recommen…
Why Every Developer Should Care About Platform Architecture in 2026
I've had this conversation too many times. A developer joins a project, looks at the architecture, and says some version of 'who made these decisions?…
The Evolution of a SaaS Architecture
Building a scalable SaaS platform is a journey of continuous learning and strategic evolution. In modern software engineering, the most successful pla…
Designing an AI System: Where Do You Even Start?
"Most people start AI projects with models. That’s the wrong place to begin. Here’s how to think about designing AI systems correctly." Most AI projec…
System Design Fundamentals - Latency, Throughput, Availability, Consistency, Redundancy, Replication, and Congestion Explained
When people first step into system design, they often expect to learn about architectures—microservices, databases, load balancers, and scaling strate…
What You're Really Doing When You Write Code
Most developers spend years writing code... without ever understanding what computing actually is . That's a problem. Because until you understand how…
System Design Concepts- 1
Why System Design Matters for DevOps 1. Distributed Systems A distributed system splits workloads across multiple machines. Instead of one powerful se…
SQL vs NoSQL — A Decision Framework That Actually Works
Every developer argues about SQL vs NoSQL. Most of the advice online is surface-level. Here's a practical decision framework based on how real systems…
I compiled Rust to WebAssembly to build a system design simulator that runs entirely in your browser!
Static diagrams don't fail. Systems do. That was the problem I kept running into when practicing system design. I'd draw boxes and arrows, convince my…
When Identity Breaks and Consent Arrives Late — Systems Still Run, But Signals Lose Meaning
Modern digital systems depend on signals to represent reality. But not all signals carry the same weight. Two signals, in particular, shape how system…
Low-Power IoT in the Military Domain: Architecture, Standards, Coatings, and Field Results
Two active military operations are running simultaneously right now, and both are producing a very visible lesson for embedded engineers: the ability …
Scale-Up vs Scale-Out: Why Every Language Wins Somewhere
I worked with a team that rewrote a critical service from Go to Rust because "performance." Six months later, the service was 30% faster, the team was…
Building a Fintech Infrastructure Platform From Scratch: What I Thought It Would Take vs. What It Actually Took
** The Brief ** A fintech startup needed a platform that lets other fintech companies the kind building neobanks, savings apps, lending products in Ni…
⚙️ Message-oriented vs. Data-oriented orchestration - from data to knowledge
For intellectual property reasons, the subject chosen for the application of this article will not be the one discussed, although it is closely relate…
Best Cloud Architecture Template Libraries for Effortless Design in 2026
If you’ve ever tried to bootstrap a serious cloud project, you know the pain of starting from scratch. Way too many times, I’ve wasted hours wrestling…
The Hidden Cost of AI Systems Nobody Talks About.
AI isn’t expensive. Bad AI systems are. 💸 The Illusion: “AI is Cheap Now” With APIs and open-source models, it feels like: Spin up a model Plug in an …
Code Chains Graphs State Machines: An Engineer's Field Guide to AI Patterns
I Rewrote the Same AI Agent 4 Times. Here's the Architecture That Finally Stuck. I built an AI agent that could classify customer queries, pull up the…