Cristian Schuszter
Software architecture and Spring Security expert | Speaking at Devoxx conferences
About
Cristian Schuszter is a software engineering speaker who presents at major developer conferences including Devoxx. His expertise centers on large-scale system architecture, authentication frameworks, and leveraging language models for developer tooling.
Schuszter's speaking portfolio demonstrates deep technical knowledge in handling high-traffic applications, having presented on managing over 400,000 visitors at CERN, the world's largest physics laboratory. He specializes in advanced Spring Security implementations, exploring complex identity management scenarios that go beyond standard use cases.
His recent work focuses on documentation intelligence, specifically using retrieval-augmented generation (RAG) with large language models to make technical documentation more accessible and useful for development teams.
What Cristian Talks About
Implementing retrieval-augmented generation (RAG) with LLMs for documentation management
Scaling web applications to handle 400,000+ concurrent visitors
Advanced Spring Security patterns for complex identity and authentication requirements
Building developer tools and documentation systems using large language models
High-availability architecture for mission-critical applications
Talks5
Identity crisis: bending Spring Security to your advanced use cases
Let's face it, it takes quite a bit of brainpower to configure Spring Security so it does what you want it to do. The architecture of the library is highly modular, so developers are often faced with issues and subtleties in its configuration, leading to grey hair and wasted time. This talk will go through some common caveats and problems of implementing OAuth2 and OIDC integrations with Spring Security, such as custom authorization, what happens under the hood and points where you can plug in your custom implementations within the architecture. We'll be doing quite some amount of live coding, as I'll go through various examples of handling modern authorization and authentication scenarios in Spring Boot and Spring Security 6.*. The highlight of the coding session will be overriding and extending the token handlers in order to support user impersonation in our application, a feature that's crucial in large enterprise systems where you're faced with an issue that affects a single user.
Handling 400k+ visitors at the world's largest physics lab (CERN)
Identity crisis: bending Spring Security to your advanced use-cases
More Talks
From RAGs to riches: making sense of your documentation with LLMs
Welcome to Voxxed Days CERN 2024
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