> Markdown version of [/videos?event=world-congress-2023&page=70](https://www.wearedevelopers.com/videos?event=world-congress-2023&page=70). 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). --- # Videos 2243 videos · 24305 moments · 1256.1 hours of content ## All videos ### Keycloak case study: Making users happy with service level indicators and observability Are delayed Keycloak logins stalling your workflows? Discover how linking OpenTelemetry traces with SLI metrics pinpoints latency instantly and drastically reduces your mean time to resolution. - **Speakers:** Alexander Schwartz - **Event:** World Congress 2025 - **Published:** August 20, 2025 - **Duration:** 27:15 - [Watch](https://www.wearedevelopers.com/videos/1599-keycloak-case-study-making-users-happy-with-service-level-indicators-and-observability) ### Self-Hosted LLMs: From Zero to Inference Why risk data privacy with third-party APIs when you can run models natively? Discover how to deploy, quantize, and scale self-hosted LLMs for completely secure, offline development. - **Speakers:** Cedric Clyburn, Roberto Carratalá - **Event:** World Congress 2025 - **Published:** August 20, 2025 - **Duration:** 30:04 - [Watch](https://www.wearedevelopers.com/videos/1597-self-hosted-llms-from-zero-to-inference) ### Test-Driven Development: It's easier than you think! Think TDD is a rigid chore? Discover how combining Java 21, Quarkus, and AI lets you build fully test-covered microservices in a fraction of the time. - **Speakers:** Eric Deandrea - **Event:** World Congress 2025 - **Published:** August 20, 2025 - **Duration:** 25:36 - [Watch](https://www.wearedevelopers.com/videos/1598-test-driven-development-it-s-easier-than-you-think) ### Like Spring, but Faster: The new Java Jedi Slash cloud costs and memory footprints without abandoning your Java expertise. See how Quarkus shifts Spring Boot initialization to build-time for ultra-fast, Kubernetes-native deployments. - **Speakers:** Eric Deandrea - **Event:** World Congress 2025 - **Published:** August 20, 2025 - **Duration:** 30:15 - [Watch](https://www.wearedevelopers.com/videos/1595-like-spring-but-faster-the-new-java-jedi) ### Backstage Software Templates for Java Developers Stop wasting time on repetitive project scaffolding. Learn how Java developers can build, scale, and secure Backstage software templates while sidestepping the JavaScript ecosystem completely. - **Speakers:** Markus Eisele - **Event:** World Congress 2025 - **Published:** August 20, 2025 - **Duration:** 30:00 - [Watch](https://www.wearedevelopers.com/videos/1596-backstage-software-templates-for-java-developers) ### Bootable AI Containers with Podman Desktop Configuration drift ruins AI deployments. Eliminate dependency headaches by treating your entire operating system as a reproducible artifact. Learn to build bootable AI containers using Podman Desktop. - **Speakers:** Cedric Clyburn, Kevin Dubois - **Event:** World Congress 2025 - **Published:** August 20, 2025 - **Duration:** 29:19 - [Watch](https://www.wearedevelopers.com/videos/1593-bootable-ai-containers-with-podman-desktop) ### Beyond the Hype: Building Trustworthy and Reliable LLM Applications with Guardrails Securing your LLM prompt layer is only half the battle. Deploy robust guardrails to protect RAG pipelines and block prompt injections without crippling system latency. - **Speakers:** Alex Soto - **Event:** World Congress 2025 - **Published:** August 20, 2025 - **Duration:** 29:00 - [Watch](https://www.wearedevelopers.com/videos/1594-beyond-the-hype-building-trustworthy-and-reliable-llm-applications-with-guardrails) ### Developer Joy with Quarkus Tired of slow Java build cycles breaking your flow? Discover how Quarkus transforms local development with live coding and zero-config dependencies. Deploy lightning-fast native artifacts to the cloud. - **Speakers:** Daniel Oh - **Event:** World Congress 2025 - **Published:** August 20, 2025 - **Duration:** 28:21 - [Watch](https://www.wearedevelopers.com/videos/1591-developer-joy-with-quarkus) ### Agentic AI Systems for Critical Workloads Move your generative AI prototypes from experimental notebooks into enterprise-grade Java. Discover how to build, orchestrate, and test autonomous agent workloads using LangChain4j and Quarkus. - **Speakers:** Mario Fusco - **Event:** World Congress 2025 - **Published:** August 20, 2025 - **Duration:** 30:01 - [Watch](https://www.wearedevelopers.com/videos/1592-agentic-ai-systems-for-critical-workloads) ### Building Interactive Async UI with React 19 and Ariakit Tired of wrestling with complex async states and accessibility bugs? Watch this Next.js refactoring masterclass to build robust, flicker-free components using React 19 and Ariakit. - **Speakers:** Aurora Scharff - **Event:** World Congress 2025 - **Published:** August 20, 2025 - **Duration:** 25:22 - [Watch](https://www.wearedevelopers.com/videos/1589-building-interactive-async-ui-with-react-19-and-ariakit) ### Your Next AI Needs 10,000 GPUs. Now What? Scaling massive AI models shatters traditional infrastructure because communication bottlenecks destroy performance. Learn how to architect networks that keep 10,000-GPU clusters operating at peak throughput. - **Speakers:** Anshul Jindal, Martin Piercy - **Event:** World Congress 2025 - **Published:** August 20, 2025 - **Duration:** 29:52 - [Watch](https://www.wearedevelopers.com/videos/1590-your-next-ai-needs-10-000-gpus-now-what) ### Shaping Up: Rethinking Product Development with Basecamp's Shape Up Methodology Discover how Storyblok escaped Scrum bottlenecks by adopting Basecamp's Shape Up methodology. Empower your engineers to solve complex problems instead of executing endless micro-tasks. - **Speakers:** Sebastian Gierlinger - **Event:** World Congress 2025 - **Published:** August 20, 2025 - **Duration:** 17:31 - [Watch](https://www.wearedevelopers.com/videos/1588-shaping-up-rethinking-product-development-with-basecamp-s-shape-up-methodology) [Next page](https://www.wearedevelopers.com/videos?page=71)