Kotlin

A complete guide to adopting Kotlin step by step, from the initial tests to full-scale rollout. One file you can share with any engineer or manager.

At KotlinConf'25, global brands like Meta, AWS, Duolingo, and Uber shared real-world engineering stories.

The Kotlin 2.3.0 release is out! This version includes new language features, stable ones, and other features now enabled by default. This release also brings tooling updates, performance improvements for different platforms, and important fixes. Here are some additional highlights from this release…

Previously in this series: Building AI Agents in Kotlin – Part 1: A Minimal Coding Agent Building AI Agents in Kotlin – Part 2: A Deeper Dive Into Tools Two articles in, and our coding agent can already do quite a bit. It can explore projects, read and write code, execute shell comman…

kotlinx-benchmark lets you measure and compare performance across implementations or hardware. Learn how to explore your benchmarks with Kotlin Notebooks.

This is the first guest post in a two-part series from José Luis González. José Luis has a PhD in software development and is a JetBrains-certified Kotlin Trainer, who works with developers and engineering teams to deepen their Kotlin skills and apply the language effectively in real projects. At Hyperskill, he runs Kotlin instructor-led training for teams at Hyperskill that focus on advanced topics and practical problem-solving rather than theory.

This tutorial walks you through everything you need to ship a Kotlin Spring Boot app to a cluster, step by step, with clear explanations and runnable examples.

Join us live for five days of Advent of Code puzzles and five Kotlin livestreams on December 1–5. Solve the puzzles in Kotlin with help from Kotlin team experts and fun community guests, climb the leaderboard, learn new tricks, and have a chance to win some prizes along the way! https://www.yout…

Kodee has gathered the latest Kotlin highlights for you — from the Kotlin Reddit AMA and documentation updates to learning programs and Google Summer of Code 2025 projects.

In the previous article, we saw how to build a basic coding agent with list, read, write, and edit capabilities. Today, we'll dive into how to extend the agents’ capabilities by creating additional tools within the Koog framework. As an example, we’ll be building an ExecuteShellCommandTool, teaching…

We curated the definitive KMP watchlist. Discover the Top 10 KotlinConf talks covering the full spectrum of adoption: real-world case studies, iOS workflow secrets, and engineering deep dives. Watch them all in one place.

Amper is an experimental, standalone build tool by JetBrains, for server-side and Kotlin Multiplatform development. Read on for the latest updates!