$ whoami

writes from the wire

A log of things I've reverse-engineered, broken, rebuilt, or had to read twice. Mostly Go, networking, and security. No newsletter. No affiliates.

JobinAj

DevOps·Linux·Cloud·Networking·Golang·Cybersecurity

github rss

§ writing

4 posts

$grep -i ""

#aws#chaos-engineering#cloudflare#cryptography#devops#encryption#gitops#go#gpu#infrastructure#javascript#kubernetes#ml#observability#opentelemetry#pgp#privacy#python#security#whisper

2026-04-28

Cloudflare Dynamic Workers — secure code execution at 2ms cold start

V8 isolates vs containers — I built a sandbox demo and measured the difference. 100x faster isn't marketing, it's real.

#cloudflare#javascript#security#infrastructure#devops6 min

2026-04-28

Building a private AI transcription platform on Kubernetes

GPU-accelerated Whisper, Flux GitOps, KEDA scale-to-zero, and fixing hallucinations — all on bare-metal K8s.

#kubernetes#ml#whisper#python#gitops#privacy#gpu10 min

2026-04-28

Simulating failure on AWS EKS — what the observability pipeline caught

I built a fake Versace store, broke it with a feature flag, and traced the exact failure path in under two minutes.

#go#kubernetes#aws#opentelemetry#observability#chaos-engineering8 min

2026-04-21

How PGP actually works

From key generation to encrypted email — no history lesson, just the mechanics.

#security#pgp#cryptography#encryption5 min