API Design Best Practices: Building APIs That Developers Love
Jun 10, 2026
A comprehensive guide to designing REST APIs that are intuitive, consistent, and a joy to consume — covering naming, response structure, pagination, error handling, versioning, and documentation.
CI/CD Pipelines for Full-Stack JavaScript: From Code to Production
Jun 01, 2026
Build a complete, automated pipeline using GitHub Actions and Docker that runs tests, builds images, and deploys your Next.js and NestJS application with zero downtime.
TypeScript Best Practices for Large-Scale Applications
May 25, 2026
Move beyond basic TypeScript and learn the patterns that keep large codebases maintainable — discriminated unions, utility types, Zod validation, and strict compiler configuration.
Authentication Done Right: JWT, Refresh Tokens, and NestJS Guards
May 18, 2026
Build a complete, production-grade authentication system with short-lived JWT access tokens, secure refresh tokens, and NestJS Guards that protect your routes automatically.
Building a Real-Time Notification System with WebSockets and NestJS
May 10, 2026
Step-by-step guide to building a live notification system using NestJS WebSocket Gateways, Socket.IO, and React — with targeted user delivery and reconnection handling.
Mastering PostgreSQL Performance: Indexing, Query Optimization, and Beyond
May 02, 2026
A deep dive into PostgreSQL performance tuning — from indexing strategies to query analysis to connection pooling — to keep your database blazing fast.
The Ultimate Stack: Next.js, NestJS, and PostgreSQL
Apr 19, 2026
Why combining Next.js for the frontend, NestJS for the API, and PostgreSQL for data is the perfect stack for modern web development.
Designing a Scalable Referral System with Node.js and React
Apr 14, 2026
Architecting a robust, secure, and easily trackable referral system using modern JavaScript technologies.
Building High-Performance Content Platforms with Next.js
Mar 15, 2026
Explore how Next.js Server Components and advanced caching mechanisms can dramatically improve the load times and SEO of your content platforms.
Avoiding Duplicate Operations: How We Solved a Race Condition in Our Payment System
Feb 10, 2026
How we used optimistic locking to prevent duplicate operations and maintain data accuracy under high concurrency.
Real-Time Client Notifications: How Telegram Alerts Improved Our Uptime and Account Balance Monitoring
Oct 17, 2025
How Protize uses Telegram bots to deliver real-time alerts for client account balance updates, failed transactions, and server downtime — improving response time and client trust across IT consulting and payment gateway operations.
Secure Login System with Temporary Account Lock Using Redis
Feb 16, 2025
Stop brute-force attacks with a scalable login throttle using Redis counters and TTL-based account locks — built for IT consulting and payment gateway platforms.
Integrating AWS WAF Firewall - Smart Whitelisting for Clients and Users
Jan 25, 2024
Enhancing platform security with AWS WAF integration for dynamic IP whitelisting of clients and users through the dashboard.