scaling-javascript-nodejs
Your Background Jobs Are Not Failing. They Are Lying.
A few months ago, we had a system that was “working fine”. Jobs were getting processed. Workers were running. No errors in logs. B…
#backend-engineering
10 posts RSS
Scaling the Boring Stuff: Sending 10 Million Notifications with a Simple Node.js Job Worker
At scale, notifications are not special. They are just one of the most common million job problems you will ever solve. Email, SMS…
scaling-javascript-nodejs
Secrets Sprawl in Node.js Projects: Detection, Prevention & Secure Deployment (2025)
If a credential can be found in your code base, CI logs, or Slack archive — it’s not just a secret; it’s a risk. By 2025, leaked c…
vcw
Master Docker in Real Projects: Compose + CI/CD + Best Practices
With real-world Docker Compose setups, GitHub Actions CI pipelines, and practical command recipes. Everything you need to master D…
scaling-javascript-nodejs
API Observability: Logs, Traces, Metrics with OpenTelemetry
Observability isn't just about logs anymore. In 2025, understanding how your API behaves under load, in production, across service…
scaling-javascript-nodejs
Packaging Node.js Libraries the Right Way: ESM, CommonJS, and Bundlers in 2025
Why Packaging Still Breaks in 2025? Despite being two decades into Node.js, publishing a library that works across CommonJS (CJS),…
auth-and-identity
How to Prevent Replay Attacks with JWTs: JWS vs JWE and Fingerprint Validation in Node.js
In this post, we’ll explore what replay attacks are, how JWS and JWE differ, and how to generate + validate session fingerprints u…
scaling-javascript-nodejs
Memory Leaks and Garbage Collection in Node.js: What Developers Get Wrong (And How to Fix It)
Introduction: Is Node.js Really Leaking Memory? Have you ever noticed your Node.js app using more and more memory over time — even…
scaling-javascript-nodejs
Stop Using JSON.parse on Huge Payloads: Streaming JSON in Node.js
Think JSON.parse() is harmless? Think again. When you're dealing with massive logs, analytics dumps, or API exports, that innocent…
scaling-javascript-nodejs
Offset vs Cursor vs Keyset Pagination: Best Practices for Scalable APIs
Before we dig deep into the details. Let’s break down on what problem this article really addresses, what solution works best and…