Notes on Software Design

Part 1.

The momentum of building a product, shaping abstract ideas into something concrete, comes with compromises and limitations.

Part 1 – Motivation and Foundations Property-based testing is a powerful tool for designing correct, unambiguous programs through executable specifications.

In most systems, use cases live in the application layer, where services orchestrate domain operations and side-effects such as persistence, messaging, or external calls.

I’ve written about navigating the uncertainties of a complex integration stack.

I was once part of a team working on an integration layer responsible for collecting data from many upstream services and processing it into content made available to multiple external customers according to their requirements.

Let’s build a parser for simple arithmetic expressions.