Web Developer Needed to Setup Self-publishing Website

Seeking a web programming expert to help
- Create a non-profit website that enables HR professionals in Asia to self-publish their blog entries onto a common website. This enables HR practitioners to train themselves well in writing articles.
- Enable this website to be a member based website where an HR professional needs to register by signing in with their LinkedIn account, in order to be allowed to publish their blog entries for public to read.
Currently, we have a platform known as Upgrade to see actual info This is created using SquareSpace and it is a highly manual process to do the above processes.