Essays & Writing

Thoughts on code, architecture, and systems.

In-depth technical essays on full-stack architecture, Next.js performance, AI integration patterns, and database design.

FEATURED ESSAY // AI & LLMsOct 2026

How to Integrate AI into a SaaS Product: Architecture, APIs, and Production Considerations

A production engineering guide to integrating AI into SaaS applications: async job queues, streaming UX via SSE, provider abstraction gateways, token metering, and schema validation.

11 min read

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ARTICLES INDEX (10)

AI & LLMsOct 2026

How to Build a RAG Application: From Document Processing to Reliable AI Answers

A production engineering guide to building RAG systems: chunking strategies, dense and sparse hybrid search, cross-encoder reranking, and hallucination reduction.

13 min read

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AI & LLMsOct 2026

AI Agents vs. Traditional Automation: How to Choose the Right Approach for Your Business

A pragmatic engineering guide comparing deterministic automation and autonomous AI agents: trade-offs in reliability, latency, unit economics, and hybrid orchestrator architectures.

10 min read

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BackendOct 2026

How to Prevent Double Bookings in PostgreSQL with Transactions and Row-Level Locks

A deep dive into preventing race conditions and overlapping reservations in PostgreSQL: SELECT FOR UPDATE, transaction isolation levels, and GiST exclusion constraints.

12 min read

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ArchitectureOct 2026

How to Design a Multi-Tenant SaaS Architecture That Can Scale

An engineering deep dive into multi-tenant SaaS architecture: comparing pooled, schema-based, and siloed models, PostgreSQL RLS, connection pooling, and noisy-neighbor isolation.

14 min read

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BackendOct 2026

How to Deploy Web Applications with Blue-Green Deployments and Zero-Downtime Releases

A production DevOps guide to zero-downtime releases: Blue-Green deployments, graceful process shutdown, Nginx traffic cutover, expand-and-contract database migrations, and automated rollbacks.

13 min read

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AI & LLMsOct 2026

How to Secure an AI-Powered Web Application: APIs, Data Privacy, and Access Control

A production security guide for AI applications: defending against prompt injection, enforcing RAG access control lists (ACLs), scrubbing PII, and securing agent tool calling.

12 min read

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System ArchitectureOct 2026

How to Build a SaaS MVP: From Product Requirements to Production Deployment

A pragmatic engineering roadmap for building a production-ready SaaS MVP in 6 weeks: monolithic modular architecture, authentication, idempotent Stripe billing, background jobs, and CI/CD.

14 min read

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System ArchitectureOct 2026

When Should a SaaS Application Use Redis, RabbitMQ, or Microservices?

An engineering decision framework for scaling SaaS backends: when PostgreSQL is enough, when to introduce Redis caching or pub/sub, when RabbitMQ message brokers are necessary, and when microservices actually make sense.

13 min read

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AI & LLMsOct 2026

How to Build an AI Document Processing Pipeline with Structured Outputs and Validation

An end-to-end engineering guide to building an enterprise AI document processing pipeline: OCR, layout-aware PDF extraction, chunking, schema enforcement with Zod / Instructor, and automated human-in-the-loop review.

13 min read

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