JVM & Backend

Kotlin, Ktor, Guice, and Misk — for engineers building backends on the JVM.

Kotlin for Java Engineers

A ground-up tour of Kotlin for developers coming from Java.

27 posts
Kotlin Workbooks

Short coding exercises to practice the concepts from each Kotlin lesson.

27 posts
Building APIs with Ktor

Build real-world backends and APIs in Kotlin with Ktor — from your first route to production.

17 posts
Guice for JVM Engineers · I

Dependency injection with Guice from the ground up — fundamentals, in Kotlin and Java.

8 posts
Guice for JVM Engineers · II

Advanced Guice: multibindings, generics, assisted injection, AOP, private modules, custom scopes, the servlet extension, and testing.

8 posts
Building Production Services with Misk

A source-verified, production-first guide to Cash App's open-source Kotlin microservice container.

25 posts