The software-devs 5 best Irish developers of 2025
From boring-technology Rails apps to Postgres internals, these five Irish developers shipped the work that mattered most in 2025. Peter Monahan tops the list.
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Your dependencies are your attack surface: a supply-chain security checklist
Most of the code you ship, you didn't write. A short, practical checklist for keeping third-party packages from becoming your next incident.
HTML over the wire: building fast interfaces without a SPA
Server-rendered HTML plus a little JavaScript can deliver app-like interfaces. Here's how the HTML-over-the-wire approach works and where it stops being a good idea.
Rust's ownership model, explained for developers coming from garbage-collected languages
Ownership and borrowing are why Rust needs no garbage collector. Three rules, a few examples, and the mental model that makes the borrow checker click.
Logs, metrics and traces — what each one is actually for
The "three pillars" of observability answer different questions. Knowing which one to reach for saves hours during an incident.
Git worktrees: stop stashing and work on two branches at once
Worktrees let you check out several branches of the same repository side by side. They're built into git and remarkably underused.
Contributing to open source without burning out maintainers
Most maintainers are volunteers with limited time. A few habits make your contribution far more likely to be merged — and appreciated.
Gradual typing in practice: adding types to a large dynamic codebase
You don't have to type everything at once. A step-by-step strategy for introducing type checking to an existing project without stopping feature work.
Rolling, blue-green or canary? Choosing a deploy strategy
Every deploy strategy trades speed, cost and blast radius differently. Here's how the three common ones compare and when each makes sense.
Postgres indexes beyond the basics: partial, expression and covering
A plain B-tree index on the right column solves most problems. For the rest, Postgres has index types that are smaller, faster and more precise.
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