> Markdown version of [/@alexander-schwartz](https://www.wearedevelopers.com/@alexander-schwartz). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Alexander Schwartz Principal Software Engineer at IBM and full-time Keycloak maintainer. ## About Alexander Schwartz is a Principal Software Engineer at IBM and a full-time maintainer for Keycloak. He builds secure authentication systems and guides developers through the complexities of single sign-on. At conferences, he breaks down how to implement standards like OAuth 2.0 and OpenID Connect. His talks cover practical ways to shift identity management chores away from application code and how to use service level indicators for better observability. When he isn't presenting or working on Java and Kubernetes backends, he contributes to open-source projects in his spare time. ## Past Sessions ### World Congress 2026 Europe 路 July 8, 2026 Berlin, Germany - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) 路 30 min 路 馃帴 Watch recording ### World Congress 2025 路 July 9, 2025 Berlin, Germany - [Keycloak case study: Making users happy with service level indicators and observability](https://www.wearedevelopers.com/videos/1599-keycloak-case-study-making-users-happy-with-service-level-indicators-and-observability) 路 30 min 路 馃帴 Watch recording - [Delegating the chores of authenticating users to Keycloak](https://www.wearedevelopers.com/videos/1558-delegating-the-chores-of-authenticating-users-to-keycloak) 路 30 min 路 馃帴 Watch recording ## Videos - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) 路 Alexander Schwartz - [Keycloak case study: Making users happy with service level indicators and observability](https://www.wearedevelopers.com/videos/1599-keycloak-case-study-making-users-happy-with-service-level-indicators-and-observability) 路 Alexander Schwartz - [Delegating the chores of authenticating users to Keycloak](https://www.wearedevelopers.com/videos/1558-delegating-the-chores-of-authenticating-users-to-keycloak) 路 Alexander Schwartz ## Links - [X](https://twitter.com/ahus1de/) - [LinkedIn](https://www.linkedin.com/in/ahus1/)