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Ștefan Muraru

Senior Software Engineer // Cloud Infrastructure
Ștefan Muraru

I'm Ștefan, a results-driven Senior Software Engineer with 11 years of hands-on experience designing and building cloud-native projects.

Specialized in crafting high-throughput applications using modern technologies across the entire back-end stack, like Go, NodeJS, MongoDB, PostgreSQL and Kubernetes.

Feel free to reach out with projects or ideas for which you might need help (or just to say hello).

Go Node.js TypeScript Kubernetes MongoDB PostgreSQL Redis Terraform ArgoCD Prometheus Grafana Cloudflare
github linkedin email
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27 Mar 2026

CanisterWorm: the self-spreading npm worm

#security #npm #ci

Breaking down the CanisterWorm supply chain attack — how a misconfigured GitHub Actions workflow led to a self-propagating npm worm, and what it means for CI/CD security going forward.

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27 Oct 2025

Zero-port setup: Cloudflare tunnels on Kubernetes

#kubernetes #cloudflare #security #infrastructure

Running Cloudflare Tunnels as a Kubernetes DaemonSet with health probes, secrets management, and no exposed ports. Production setup and configuration.

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26 Oct 2025

I Almost Ditched k3s for Docker Swarm (And Why I Didn't)

#kubernetes #docker #homelab #infrastructure

After two years of k8s complexity, I seriously evaluated switching to Docker Swarm. Here's what I learned about the trade-offs and why I ultimately stayed.

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29 Feb 2024

Proxmox cheatsheet: expanding an existing disk

#homelab #infrastructure

Expanding an existing, attached disk in Proxmox with no downtime

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