Engineering Insights

Technical Architecture & System Guides

Articles and engineering guides covering payment security, multi-tenant SaaS, ERP systems, and web performance.

Software Architecture5 min read

Information Technology (specifically focused on high-scale Enterprise Cloud/Software Engineering).

Senior Software Engineers, Tech Leads, Engineering Managers.

19 August 2026
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SaaS Development5 min read

Building Scalable Multi-Tenant SaaS with PostgreSQL & Prisma

A deep dive into organization boundaries, foreign key integrity, and preventing tenant data leakage in enterprise SaaS.

16 August 2026
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Payment Solutions5 min read

Architecting Secure Payment Gateways & Webhooks in Next.js

Why frontend payment confirmations are dangerous, and how to build server-authoritative HMAC webhook handlers with idempotency.

16 August 2026
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ERP & Billing5 min read

Why Float Math Fails Invoices: Decimal Precision in Node.js

How floating-point inaccuracies cause accounting leakage and GST compliance issues, and how Decimal.js guarantees arithmetic exactness.

July 28, 2026
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