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Notes on backend engineering, system design, and building scalable software, written from real production experience.

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225 articles

Engineering High-Throughput Fintech & Insurance Platforms Handling ₹10Cr+ in Transactions — Aman Kumar Singh

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Zero Trust API Security: JWT, OAuth 2.0, Rate Limiting & Threat Detection in Node.js & NestJS — Aman Kumar Singh

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Why Free Website Builders Limit Business Growth (And How to Migrate to Custom Next.js) — Aman Kumar Singh

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Website Builders vs Custom Full-Stack Web Development: The Ultimate Business Guide — Aman Kumar Singh

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Inside Vowerole: Architecting a Unified ERP and Business Operating System — Aman Kumar Singh

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Modern ERP Architecture: Building Scalable Multi-Tenant Enterprise Systems for Indian Businesses — Aman Kumar Singh

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Enterprise Application Security: Defending Modern Web Apps Against OWASP Top 10 and Data Breaches — Aman Kumar Singh

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How to Build a DPDP-Compliant Consent Manager: System Design & Database Schema — Aman Kumar Singh

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DPDP Act 2023: The Complete Technical & Engineering Compliance Guide for Indian Businesses — Aman Kumar Singh

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Node.js Error Handling: Operational vs Programmer Errors — Aman Kumar Singh

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Node.js Memory Leaks and Profiling: Finding What Holds Memory — Aman Kumar Singh

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Scaling Node.js with the Cluster Module: Using All Your Cores — Aman Kumar Singh

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