Codetown ::: a software developer's community
Kotlin is a statically-typed language that runs on the JVM. Developed by a small JetBrains team in St. Petersburg, Kotlin is one of the hottest upcoming languages being used around the world. We're here to grow together as an open-source community and to learn collaboratively!
From content on the Kotlin language itself to programming paradigms to frameworks, we encourage anyone to submit content on anything Kotlin related. Our goal is learn collaboratively, meaning that the Kotlin Thursdays team is ready to help you submit content to share with others.
Every Thursday, we release new content every season. We have blogs available here in KotlinTown. This season, we're creating webisodes to compliment that content. Code and documentation related to content is available on Github.
Interested in contributing? Head over Github to learn how you can get started :)
Codetown is a social network. It's got blogs, forums, groups, personal pages and more! You might think of Codetown as a funky camper van with lots of compartments for your stuff and a great multimedia system, too! Best of all, Codetown has room for all of your friends.
Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.
Check out the Codetown Jobs group.

Pinterest published a technical case study detailing how its engineering team cut Android end-to-end (E2E) continuous integration (CI) build times by more than 36 percent by adopting a runtime-aware test-sharding strategy and building an internal testing platform.
By Craig Risi
Clara Matos discusses the journey of shipping AI-powered healthcare products at Sword Health. She explains how to implement input/output guardrails for regulated industries and shares a framework for robust evaluations using human and LLM-based ratings. From prompt engineering to RAG and user feedback loops, she shares a data-driven roadmap for building reliable AI care agents at scale.
By Clara Matos
As AI evolves from tool to collaborator, architects must shift from manual design to meta-design. This article introduces the "Three Loops" framework (In, On, Out) to help navigate this transition. It explores how to balance oversight with delegation, mitigate risks like skill atrophy, and design the governance structures that keep AI-augmented systems safe and aligned with human intent.
By Dave Holliday, João Carlos Gonçalves, Manoj Kumar Yadav
JEP 500 prepares the Java ecosystem for final field integrity in JDK 26, restricting deep reflection mutations. This crucial update aims to enhance safety and performance by closing a long-standing loophole, transitioning toward stricter encapsulation. Developers can now anticipate warnings when attempting these mutations, ensuring a reliable path for future optimizations.
By A N M Bazlur Rahman
InfoQ announces the January 2026 intake for its Certified Architect Program. Facilitated by Luca Mezzalira, this 5-week online cohort focuses on socio-technical leadership, helping senior architects bridge the gap between technical design and organizational influence. Participants engage in weekly applied learning and peer collaboration to earn the ICSAET certification.
By Ian Robins
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