Personal blog about SAP, cloud and architecture https://sarawittel.github.io In this post, we’ll explore what UI5 Integration Cards are, why they matter, and how you can start using them effectively https://sarawittel.github.io/business%20technology%20platform/ui5/2026/03/30/UI5-Integration-Cards.html https://sarawittel.github.io/business%20technology%20platform/ui5/2026/03/30/UI5-Integration-Cards.html Mon, 30 Mar 2026 00:00:00 +0000 This post walks through a complete SAML federation architecture in SAP BTP, integrating Auth0 as a Corporate IdP and SAP IAS as a proxy layer. From trust configuration to role propagation and authorization mapping, we break down the full authentication and authorization flow across systems. https://sarawittel.github.io/business%20technology%20platform/authorization%20&%20authentication/2026/02/17/End-to-End-SAML-Federation.html https://sarawittel.github.io/business%20technology%20platform/authorization%20&%20authentication/2026/02/17/End-to-End-SAML-Federation.html Tue, 17 Feb 2026 00:00:00 +0000 AI did not replace my engineering skills — it accelerated how I learn, integrate, and move across technologies. https://sarawittel.github.io/engineering/ai/2026/02/11/The-Moment-I-Stopped-Feeling-Like-a-Backend-Dinosaur.html https://sarawittel.github.io/engineering/ai/2026/02/11/The-Moment-I-Stopped-Feeling-Like-a-Backend-Dinosaur.html Wed, 11 Feb 2026 00:00:00 +0000 What my first setup looks like when I configure a new laptop. https://sarawittel.github.io/macos/2026/02/10/my-first-setup.html https://sarawittel.github.io/macos/2026/02/10/my-first-setup.html Tue, 10 Feb 2026 00:00:00 +0000