Hello,

You.

I empower the brands through smart, data-driven developer marketing and storytelling that turns ambition into influence.

See Portfolio

Projects

Webflow CMS Sync

Small Node + Actions workflow that syncs JSON → Webflow CMS.

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Webflow CMS Sync

Small Node + Actions workflow that syncs JSON → Webflow CMS.

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React Admin Dashboard

Modular widgets, routing, Storybook, and CI/CD.

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React Admin Dashboard

Modular widgets, routing, Storybook, and CI/CD.

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Design a Social Media Post

A visually engaging and accessible Instagram post.

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Design a Social Media Post

A visually engaging and accessible Instagram post.

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AI Powered Social Media Plan

Turning Gemini into my campaign co-pilot—because even AI knows when to post a Reel.

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AI Powered Social Media Plan

Turning Gemini into my campaign co-pilot—because even AI knows when to post a Reel.

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Blog Posts

October 1, 2025

Feature Engineering That Really Moves RMSE

How to slice the noise out of tabular data and serve your model the purest signal.

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July 15, 2025

What Would You Do in Your First 30 Days?

A Practical 30‑60‑90 Plan for DevRel Success

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July 15, 2025

Kick-start Tree Ensembles without the Titanic Clichés

A hands-on guide to tuning Gradient-Boosted Trees, preventing overfitting, and demystifying ensembles.

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July 15, 2025

Unlocking Success with a Comprehensive Data Science Lifecycle

Stop Spinning Your Wheels in Data Science Projects

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© 2025 James Coffey, All rights reserved