diff --git a/stefankoelle/index.njk b/stefankoelle/index.njk
index b9e53ef..7aba96d 100644
--- a/stefankoelle/index.njk
+++ b/stefankoelle/index.njk
@@ -168,6 +168,11 @@ layout: stefankoelle.njk
     <li>Introduced Squidex as a headless CMS for the microservice backend, with Sentry and Loki for monitoring and logging, and Quartz.NET, later Hangfire.NET, for scheduled jobs.</li>
   </ul>
 
+  <h3>Go</h3>
+  <ul>
+    <li>First used Go for <a href="https://github.com/skoelle/kctl-tui" target="_blank">kctl-tui</a>, a terminal UI for Kubernetes built with Bubble Tea, handling context selection, namespace management, and AWS Secrets Manager sync.</li>
+  </ul>
+
   <h3>TypeScript / JavaScript</h3>
   <ul>
     <li>Using Node.js privately for over a decade, TypeScript since its early days, and professionally at TENHIL since 2024.</li>
@@ -181,6 +186,7 @@ layout: stefankoelle.njk
   <ul>
     <li>Working with Python since 2020 on private projects, home lab tooling, and automation scripts.</li>
     <li>Since this year, increasingly using Python for home network projects, with development accelerated by AI-assisted workflows in OpenCode.</li>
+    <li><b>Arduino / PlatformIO:</b> Built ESP32 dashboards (<a href="https://github.com/skoelle/m5stack-dashboard" target="_blank">M5Stack</a>, <a href="https://github.com/skoelle/wt32sc01-dashboard" target="_blank">WT32-SC01</a>) showing weather, calendar, and Munich transit departures on physical hardware.</li>
   </ul>
 
   <h3>.NET Framework</h3>