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Hi, friends call me Justin 👋

I'm a fullstack developer passionate about building software applications, learning, and exploring new technologies. I've been working with TypeScript, Node.js, React, and cloud-native solutions for 5+ years. Attained Master of AI from UNSW, Bachelor of Software Engineering from USP, and AWS Solutions Architect certified.

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Tech Stack

Technologies I work with to build modern, scalable applications

Node.js
Go
TypeScript
React
Preact
Docker
PostgreSQL
SQLite
MongoDB
Cloudflare
AWS

From the Blog

Thoughts on software development, architecture, and the technologies I work with

Cryptography, AES-GCM, and AWS KMS

Part 2: AES-GCM and AWS KMS

In this second part, we break down how AES works, how GCM adds authentication and integrity, and how AWS KMS uses envelope encryption to secure your keys. We will also cover practical Node.js examples using AES-GCM with AWS KMS.

12 min read
Cryptography, AES-GCM, and AWS KMS

Part 1: Cryptography and Block Cipher Modes

Ever wondered how encryption actually works? How your data stays secure in transit and at rest? In this first part, we explore the foundations of modern cryptography and the block cipher modes that make real-world encryption possible.

25 min read

Ever heard of Tailscale?

Stumbling upon Tailscale while looking for something else turned out to be a lucky accident. In this post, I break down what Tailscale actually is and how it’s become one of the most useful tools for connecting and managing all my devices securely.

10 min read

Caddy is Amazing

Revisiting Caddy reminded me how enjoyable a web server can be when the tooling gets out of the way. Automatic HTTPS, simple configs, and thoughtful built-ins make it feel like a breath of fresh air compared to Nginx.

10 min read

Tackling the TypeScript Type Challenges

Overview of the TypeScript type system, reviewing key concepts like conditional types, recursion, and mapped types through examples.

5 min read
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