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Engineering notes

Writing about resilient software.

Clear, field-tested ideas about building fast, reliable products with modern web technologies.

Architecture8 min read

Designing a Multi-Tenant SaaS Platform with Next.js and PostgreSQL

A practical guide to tenant isolation, transaction boundaries, caching, and scaling decisions for production SaaS applications.

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SEO & Performance6 min read

Technical SEO for Next.js Websites: A Production Checklist

The technical SEO details that help a Next.js site become faster, clearer to search engines, and easier for AI answer engines to cite.

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Engineering7 min read

Building Reliable POS and Inventory Systems

Lessons from designing inventory workflows with barcode validation, ACID transactions, caching, and concurrent updates.

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Architecture10 min read

How to Choose a Stack for a Multi-Tenant SaaS MVP

A practical way to choose a SaaS MVP stack around tenancy, data consistency, delivery speed, and the operational complexity your product can actually support.

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Engineering11 min read

How Inventory Transactions Prevent Overselling

A database-first guide to stock deductions, concurrency, idempotent retries, and reconciliation for POS and inventory software.

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