Home | Joseph Velliah

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Prompt Injection, Hands-On: Attacking My Own Model With Bedrock Guardrails

I had read enough prompt-injection explainers. I still wanted to poke at a real filter and keep the bill and the teardown small. So I stood u...

Home | Joseph Velliah 4 days ago 5

Article

Jev Does Not Paint: Putting TypeSafe in Front of Gemini

I wanted a reason to use TypeSafe that was not another chatbot wrapper. Most of the AI I wire into software still wants to talk. I needed some...

Home | Joseph Velliah 17 days ago 13

Article

I Asked God to Hold My Hand

Almost 20 years ago, I was waiting outside my company to collect my documents and start my first IT job. I sat under a banyan tree. That day ...

Home | Joseph Velliah 25 days ago 22

Article

Identity-Aware SRE Agents with kagent on Akamai LKE

I wanted a reason to put an AI agent in front of a real Kubernetes cluster and watch what happens when two different people ask it to fix the ...

Home | Joseph Velliah 1 month ago 15

Article

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 3 months ago 26

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 4 months ago 19

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 5 months ago 29

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 6 months ago 41

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 7 months ago 49

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 8 months ago 42