Callum Locke

Senior newsroom developer at the Financial Times. Open source contributor (mainly Node.js and front-end). AWS certified. Occasionally available for consulting and freelance work.

Web work

Data visualisations and infographics for the Financial Times.

E-commerce site for ceramicist Luke Eastop.

Website and CMS for community centre and artists’ studio space. Built with Ruby on Rails.

Open source

JSON Formatter

A Chrome extension for making JSON endpoints more readable, with 0.5m active users.


Zero-config REPL for experimenting with next-generation JavaScript.


CLI tool for using an existing GitHub repo as a starting template for a new project.


Node.js library for prompting for user input through the terminal.


Alternative JSX pragma for creating real DOM elements.


Experimental system for publishing Babel-compiled libraries that target multiple Node versions.