Session lookups were 40% of our database queries and Redis cost $340 a month. What happened when I switched to JWT, what got cheaper, and what got harder.
Read the full article on Medium for the whole story, with code and examples.
Backend Development
Session vs JWT: I Switched and Halved My Server Costs
February 10, 20268 min readBy Saad Minhas
JWT · Sessions · Authentication · Node.js · Server Costs
Writing
Notes from building with AI tools, React and production systems.
AI
Claude Code: I Let an AI Agent Code in My Terminal for 48 Hours. It Committed Real Code.
AI
OpenClaw (aka Moltbot) Has Access to Everything on My Computer. Here's What Happened.
AI
Your AI-Built App Works in the Demo. Here's Why It Breaks With Real Users.
AI
How to Build an AI Chatbot That Answers From Your Own Documents
AI
MCP Explained: How to Let AI Agents Use Your App (With a Working TypeScript Server)
Freelancing
How Much Does It Cost to Build an App in 2026? What Actually Drives the Price
AI
Claude Design Just Dropped. Figma's Stock Fell 7% in a Day.
Backend Development
Session vs JWT: I Switched and Halved My Server Costs
Web Development
Why Your React App Re-renders 100 Times (And How to Fix It)
Backend Development
Event-Driven Architecture: When to Use It (And When Not To)
AI
Claude Code for VS Code: Does It Actually Compete with Cursor?
Database
N+1 Query Problem: The Database Killer You're Creating
Web Development
Building Real-Time Features: WebSockets vs Server-Sent Events vs Polling
Security
Critical React Server Components Vulnerabilities 2025: RCE, DoS, and Source Code Exposure
Web Development
How I Fixed a Slow Next.js App: Lessons from Production
Mobile Development
React Native Architecture: What I Wish I Knew Before Building My First App
Backend Development
Building Backend APIs That Don't Break: Lessons from Production
Freelancing
Freelancing as a Developer: What I Learned After 50+ Projects
Database
MongoDB in Production: Hard Lessons from Building ERP Systems
Web Development
Web Development in 2024: What's Actually Worth Learning
Programming
10 Common JavaScript Errors and How to Fix Them: Complete Guide
Web Development
CORS Error: Complete Guide to Fixing Cross-Origin Resource Sharing Issues
Security
API Security Vulnerabilities: Common Issues and How to Secure Your APIs
DevOps
Docker Deployment Problems: Common Issues and How to Fix Them
Programming
TypeScript Common Mistakes: Errors Developers Make and How to Fix Them
DevOps
Understanding Docker Errors: A Developer's Troubleshooting Handbook
Performance
Why Your Website Loads Slowly and The Fixes That Work in 2026
SEO
10 Technical SEO Issues Most Websites Ignore and How to Fix Them
Get In Touch
Connect
Full Stack Software Engineer passionate about building innovative web and mobile applications.
CEO at Appzivo, the software studio I founded.
© 2026 Saad Minhas. All Rights Reserved.