User Safety: A Hands-On Portfolio Project for Real‑World Engineering
A step‑by‑step guide to building a user‑safety service with FastAPI, Postgres, Celery and Docker that you can run, test, and extend for senior‑level impact.
Security
User Safety: Building Secure and Resilient Experiences for Real-World Systems
Exploring concrete user safety patterns, from authentication and authorization to production-grade failure handling, with real-world architectures and actionable takeaways.
Implementing gVisor: Inside the User-Space Kernel That Sandboxes Docker Containers
How gVisor reimplements the Linux kernel in user space to safely sandbox containers, and what the trade-offs look like in real deployments.
Agent Infrastructure Is Creating New Security Challenges
AI agents aren’t chatbots. They execute code, hold credentials, and call APIs on their own. Here’s why that breaks traditional security models — and what teams are doing about it.
Inside the Noise Protocol Framework: Building Forward-Secure Handshakes from Scratch
A working engineer’s walkthrough of the Noise Protocol Framework, covering patterns, tokens, and a from-scratch implementation of a forward-secure XX handshake in Python.