The Developer role is responsible for building the actual website. This includes implementing the chosen theme, finding and setting up required plugins, and possibly writing custom code to meet the requirements of the non-profit organisation.
do_action is a charity hackathon that uses WordPress to uplift local communities
do_action hackathons are community-organised events that are focussed on using WordPress to give deserving charitable organisations their own online presence. Each do_action event includes participants from the local WordPress community coming together to plan and build brand new websites for a number of local organisations in one day.