Callum is a lead developer who's expertise lies in building robust scalable microservice and serverless systems on the .NET stack, as well as Xamarin mobile apps and websites with the Umbraco CMS.

Away from his desk you can find him organising community events; from local meetups and hackathons to the annual 300 person Umbraco UK Festival conference. He’s an active contributor to open source projects, as well as co-host of a weekly YouTube series “UmbraCoffee” and a regular speaker at events all over the world!