what is devjoy?

devjoy is a software development, training and consulting company. We are passionate about learning, teaching, and enjoying software development.

Recent Posts


on February 6, 2017


    F# Active Patterns

    on August 18, 2014

    Active Patterns are one of the killer features of F#. They can be a little confusing at first. This series of posts will help you to master them.

    Thinking Functionally

    on July 21, 2014

    I wrote these posts while first learning about functional programming. The posts are simple to follow because I didn't know enough to make them complicated.

Meet The Team

Richard Dalton

Experienced Software Developer, Trainer and Mentor including three years as a bootcamp instructor. Responsible for content creation, delivering online and in-person training, bespoke software development and consulting.

Sandra O'Callaghan

Broad knowledge of e-commerce including technical, logistical, financial and legal aspects. Responsible for Devjoy’s accounts, day to day operation, while also building and operating joeyroo.com