All Articles — AJAY BLOGS

Abstract network of connected nodes representing an AI agent system

The Future of AI Agents: Architectures, Challenges & What Comes Next

A deep dive into the next generation of AI agents: how they are architected, where they break in the real world, and where the industry is heading.

Ajay Pal Singh Jul 8, 2026 4 min read

Abstract arrangement of connected blocks representing API components

Engineering

Designing Resilient APIs That Survive Real Traffic

Idempotency, backpressure, versioning and graceful degradation: the unglamorous design decisions that separate an API that demos well from one that survives production.

Ajay Pal Singh Jun 30, 2026 3 min read

Abstract concentric squares evoking a CPU die

Systems

Inside Modern CPUs: A Programmer's Mental Model

Branch prediction, cache hierarchies, speculative execution and why your tidy code sometimes runs slower than the ugly version. A practical mental model of the machine underneath.

Ajay Pal Singh Jun 16, 2026 3 min read

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DevOps

Infrastructure as Code Without the Chaos

State files, drift, blast radius and the review discipline that keeps Terraform from becoming a liability. How to run IaC so it stays an asset instead of a source of 3am surprises.

Ajay Pal Singh Jun 5, 2026 3 min read

Security

Practical Application Security for Engineers Who Ship

Threat modeling, secrets, and the small number of controls that stop the majority of real attacks. Security that fits into how software actually gets built, not a compliance checklist.

Ajay Pal Singh May 24, 2026 3 min read

Abstract flowing wave forms representing modern web architecture

Web

The New Web Stack: Islands, Edges and Less JavaScript

The web is quietly rediscovering the server. A tour of the architecture behind the current generation of fast sites: islands, streaming, the edge, and shipping dramatically less client-side JavaScript.

Ajay Pal Singh May 14, 2026 3 min read