u/samuele794in r/Kotlin • Recommends
On “Can you sell me on Kotlin over Java?”
Rob Johnson has switched to Kotlin, this is the only answer that you need for Backend
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Kotlin and Spring: The modern server side stack | Rod Johnson
Kotlin by JetBrains
100K subscribers • 61 videos on Hallway
- Recommended by 2 people: 2 in engineering communities.
- Presented by Rod Johnson, creator of the Spring Framework
Intermediate. Assumes working knowledge.
21K views1 year ago2 recommendations
Programming languagesSoftware designKotlinSoftware architectureTransformers and LLMs
Rod Johnson shares his experience transitioning from Java to Kotlin while building a server-side application with structured RAG.
Get ready for what’s next — join us at KotlinConf 2026 👉 kotl.in/conf26-ytd Recording brought to you by American Express. americanexpress.io/kotlin-jobs Rod will discuss his experience switching from Java to Kotlin while building a server-side application implementing structured RAG. He'll show code in a real application and reflect on the positives and negatives: overwhelmingly, positives. Kotlin brings a modern language to a mature, hardened ecosystem and productive, high quality framework. The result can be a thing of beauty. #springframework #kotlinWhy it's here
2 people recommend thisWhat people say. Recommended as a strong endorsement of Kotlin for backend development by the creator of Spring.
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u/findus_lin r/Kotlin • Recommends
On “Kotlin and Spring”
Generally no issues. It is a bit slower due to kotlin reflection being slower, but that should be restricted to startup, they work on that for Spring Boot 4 and really its negligible.
Here is a nice talk from the recent Kotlinconf: [video