Transforming Legacy Authentication into a Scalable Future

As software engineers, we often find ourselves tasked with solving complex problems that push us to rethink our approaches and embrace new technologies. Over the past couple of months, I tackled one such challenge: migrating from an OIDC client implementation to a Backend for Frontend (BFF) pattern in a project I’ve been working on for over two years. In this article, I’ll share the journey of this migration: what motivated the change, how the process unfolded, and the valuable lessons I learned along the way.