I’m Jon Chretien, a senior software engineer at Spotify currently building web apps for artists and labels. Previously, I built editorial and marketing projects at The New York Times.

Discovery Mode

Campaign tools for labels and artist teams to promote tracks and find new listeners.

Code for Spotify

Spotify for Artists

Audience insights and song data that help artists understand their listeners and track performance.

Code for Spotify

Shake Shack Custard Cluster

A visualization of Shake Shack's monthly custard calendar, broken out by day and year.

Code and design for myself

Eisner Awards

Explore Eisner Award winners and nominees from 1988–2025. Celebrating comic book excellence.

Code and design for myself

Hungry City Explorer

Browse restaurant reviews from the NYTimes' Hungry City column, organized by NYC borough.

Code and design for myself

Trickipedia Stats

The stats behind The Berrics' Trickipedia, an education series on skateboard tricks.

Code and design for myself

Midterm Election Banners

NYT home page banners for the 2010 midterms covering House, Senate, and top races.

Code for The New York Times

Eleven Madison Park (v1)

A contemporary American fine dining restaurant in the heart of New York City. Three Michelin stars.

Code for Eleven Madison Park

Continuous Carousel

A timed continuous carousel built with vanilla JavaScript and CSS animations. No dependencies.

Code for myself

Sets Can Do That? 😮

Interactive examples demonstrating JavaScript Set composition methods like union and intersection.

Code and design for myself

The Holga Project

Drag and drop an image into your browser and apply a Holga-like filter using Canvas.

Code and design for myself

Opinionator Blog

Blog that highlighted opinion columnists and their commentary on politics, law, science, finance.

Code for The New York Times