Home | Joseph Velliah

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Vasanam Studio: How I Built a Bible Verse Video Generator for My Church as a Hobby Project

Every morning at 5 AM, the women of my church gather for prayer. At the end of the session, our pastor’s wife shares a Bible verse and sends a...

Home | Joseph Velliah 2 months ago 12

Article

The demo worked. That was the problem.

Over a weekend I built a small Kubernetes demo to play with zero trust. Three little services calling each other in a chain, a login page in f...

Home | Joseph Velliah 3 months ago 10

Article

Notes from building an agent on AgentCore end to end

I wanted a reason to use AgentCore end to end. Runtime, memory, guardrails, identity, the whole thing. A Bible Q&A agent felt like a good ...

Home | Joseph Velliah 4 months ago 22

Article

Building a Rust gRPC AI Security Gateway for LLM Traffic

I wanted a small, honest implementation of the GenAI governance shape in code: a component on every LLM call that applies policy first, option...

Home | Joseph Velliah 5 months ago 26

Article

Claude Code Security: The Smart Way to Integrate AI

Anthropic just dropped Claude Code Security, and if you’re anywhere near AppSec or DevSecOps, you’ve probably already seen the debate lighting...

Home | Joseph Velliah 6 months ago 39

Article

How I Built a Semantic Cache Using Only AWS Services

LLM calls are expensive and slow, but here’s the thing - users ask the same questions in different ways all the time. “What’s your refund poli...

Home | Joseph Velliah 7 months ago 24

Article

How to Build Better AI Agent Tools: Cut Costs by 70% (MCP Server Case Study)

Building tools for AI agents isn’t the same as building regular APIs. This guide shows you how to design tools that reduce token costs by 60-7...

Home | Joseph Velliah 7 months ago 32

Article

Building a DevSecOps Pipeline on AWS (And You Can Too)

I have been working with CI/CD pipelines for a while now, and honestly, most of them just focus on getting code deployed fast. But what about ...

Home | Joseph Velliah 7 months ago 26

Article

AWS DevOps Agent: AI-Powered Incident Investigation in Seconds

Stop spending 30 minutes investigating incidents. Let AI do it in seconds. Here is a hands-on demo you can practice in 15 minutes. The Proble...

Home | Joseph Velliah 8 months ago 39

Article

DynamoDB Just Made Your Life Easier: Multi-Attribute Composite Keys Explained

AWS just dropped a feature on November 19, 2025 that is going to save you from one of DynamoDB’s most annoying workarounds: multi-attribute co...

Home | Joseph Velliah 9 months ago 65