5 min read
The economics of an agent's context window
An agent re-sends its whole conversation every turn. What that does to a bill, what a real project's numbers showed, and the five habits that changed it.
Writing on AI, engineering and leadership
Most of what I write now is about building with AI agents and the context engineering around them. Older posts cover web performance, technical debt and leading engineering teams.
8 min read
Context engineering in practice
AI coding tools are context engines. How the harness works, the practices that improve what it produces, and what to settle before a team adopts them.
6 min read
Working with AI
The mental model, the five levers that actually work, and the failure modes to watch for when you put an LLM into your daily workflow.
6 min read
RSA encryption in JavaScript, decryption in Java
RSA-OAEP encryption in the browser with the Web Crypto API, decrypted on a Java backend, with the key formats and padding that have to match.
7 min read
Understanding similarity or semantic search and vector databases
A high-level look at similarity search: embeddings, distance measures, the index structures that keep search fast, and what a vector database adds.
5 min read
useSyncExternalStore hook with RxJS
Subscribe to RxJS observable updates from React using the useSyncExternalStore hook.
6 min read
useSyncExternalStore hook with Firestore
Subscribe to Firestore live updates from React using the useSyncExternalStore hook.
1 min read
How to apply Question's Framework to navigate a newly joined project?
A worked example of applying the questions framework to a project you have just joined.
3 min read
Questions framework to quickly understand and contribute to the new project you joined
Nine questions to ask when you join a new project, so you understand the product, the codebase and your own part in it before writing any code.
5 min read
Most Software Products are Over-Engineered
What over-engineering costs a software product, why teams keep doing it, and how to keep a build aligned with what users actually asked for.
4 min read
Tech Debt: A Non-Technical Guide for Managers
Tech debt is a crucial concept for managers to understand, regardless of their technical background.
7 min read
A definitive guide for performance improvement tools and solutions for web applications
This article will help you understand how to monitor and improve the overall performance of web applications.