Available for opportunities

Software Developer & Creator.

I build thoughtful software and share what I learn: through writing, videos, and digital products. Based in the UK.

See my work → Get in touch

lucy@portfolio:~

$ cat about.json { "name": "Lucy Batten", "location": "UK 🇬🇧", "role": "Software Developer", "stack": [ "JavaScript", "TypeScript", "React", "Node.js" ], "creator": true, "openToWork": true } $

About me

2+

Years building

500+

Community members

12+

Articles published

3

Products shipped

I'm a software developer with a passion for building clean, purposeful tools. I care about the details... both in code and in how things are communicated.

Outside of developing, I write about what I'm learning, create content for a growing audience, and ship digital products that help other developers and creators.

Always open to interesting conversations, collabs, and opportunities.

JavaScriptTypeScriptReact Node.jsPythonSQL REST APIsDockerAWS Git / CI·CD

Projects

What I've built.

GitHub →

01 / Open Source

Visualise GitHub repos as interactive dependency graphs. Navigate your codebase like a map.

02 / Open Source

ToxicAI Code Roaster

An AI that reviews your code with brutally honest, and very funny feedback. Pain is growth.

A second brain for developers. Capture ideas, snippets, and thoughts without breaking your flow state.

Writing

From the newsletter.

Substack →

28Apr 2026 How Babel's AST Parser Represents JavaScript Import Statements - With Annotated JSON Examples Understanding Babel AST Parsing: How JavaScript Import Statements Are Converted into Abstract Syntax Trees with Annotated JSON Examples and Code-Level Explanation → 22Apr 2026 I Built a Tool That Turns Any GitHub Repo Into an Interactive Dependency Graph: Here's Exactly How It Works A deep dive into the real pipeline behind CodeAtlas: AST parsing, import resolution, force-directed graphs, and everything in between → 16Apr 2026 INSIGHT LOG #01: The Full-Stack Request Response Loop Explained The core loop behind every full-stack app →

Subscribe on Substack

Digital Products

Things I've shipped.

Payhip store →

Stop Guessing: A Guide To Debugging Anything

More products coming soon

Support the work & follow along

patreon.com/LucyBuilds

Contact

Let's talk.

I'm always happy to hear from interesting people: whether it's a project idea, a collaboration, or just a hello.

[email protected] →

// Lucy Batten... get in touch

const lucy = {

email: "[email protected]",

status: "open to opportunities",

responseTime: "usually within 24h",

likesCollabs: true,

drinkOfChoice: "coffee ☕",

}

// say hi! 👋