title	conference	date
Mastering Recomposition: Optimizing State Changes for Efficient UI	AndroidMakers by droidcon 2026	2026-04-09
Jetpack Compose recomposition is driven by snapshot state reads, so changing a snapshot state property triggers recompose and getters set up listeners… Talk on
Structured Concurrency: The paradigm shift that changes modern development	AndroidMakers by droidcon 2026	2026-04-09
Claims that structured concurrency gives every concurrent block a clear entry and exit and therefore automatic, reliable cancellation across hierarchies… Talk on
Understanding Compose modifiers and how their order affects UI	droidcon London 2025	2025-10-30
Claim: Jetpack Compose modifiers are the core drivers of layout, drawing and input, not mere properties, and modifier order changes constraints and drawing… Talk on
Structured Concurrency: The paradigm shift	droidcon London 2025	2025-10-30
Explains structured concurrency with concrete Kotlin coroutines patterns and pitfalls: use coroutineScope/nursery semantics so child coroutines cancel and… Talk on
Debugging and Performance Tuning in a Coroutine World	droidcon Berlin 2025	2025-09-24
Practical checklist for coroutine bugs and slow paths: shows specific use of kotlinx-coroutines-debug and BlockHound, logs enriched with coroutine context and… Talk on
Kotlin variance modifiers and Covariant Object Nothing pattern	AndroidMakers by droidcon 2025	2025-04-10
Explains the concrete claim that making generics covariant and using Nothing as a placeholder produces single reusable instances (the Covariant Nothing Object… Talk on
Office Hours: All Things Kotlin Language	AndroidMakers by droidcon 2025	2025-04-10
Have a chat with Developer Advocates from JetBrains and industry experts about anything Kotlin related on your mind. Talk about language evolution, tooling… Talk on
Mistakes you make using Kotlin Coroutines	droidcon London 2024	2024-10-31
Lists the concrete pitfalls and fixes: using async with immediate await (no parallelism), wrapping work in a child launch inside coroutineScope (redundant)… Talk on
Practical Patterns for Kotlin Coroutines in Production	droidcon Berlin 2024	2024-07-03
Practical, actionable rules for Kotlin coroutines: never use async immediately await is pointless — start asyncs together and await later or use… Talk on
Kotlin variance modifiers and Covariant Object Nothing pattern.	droidcon Berlin 2023	2023-07-05
Explains how Kotlin uses variance to make types safe and practical: concrete examples include List is out (covariant) while MutableList is invariant, function… Talk on
Testing Kotlin Coroutines	4Developers 2022 Online	2022-04-04
Shows concrete patterns for Android and backend: convert blocking calls by adding suspend and wrapping callbacks with suspendCancellableCoroutine, offload… Talk on
The beauty of Kotlin typing system	FOSDEM 2022	2022-02-05
The Kotlin typing system is amazingly designed. It was designed and constantly improved for years, and it was built based on experiences from other typing… Talk on
Efficient Kotlin	droidcon Berlin 2021	2021-10-20
Kotlin tips for real savings: object headers cost about 12 bytes header so boxed Integers use 5–6x memory cost versus primitives, JVM caches small Integers and… Talk on
Safe Kotlin	DroidKaigi 2021	2021-10-19
Practical advice for making Kotlin apps more reliable by reducing crashes: covers handling mutability, working safely with platform types, and why inheritance… Talk in Dutch on
Introduction to distributed systems	4Developers 2021	2021-05-24
Starts from a single-server web app, shows adding cache, moving to a dedicated DB server, then horizontal load‑balanced backend nodes; explains tradeoffs of… Talk on
Java: Kotlin Not-to-Do List - What we should avoid doing in Kotlin	4Developers 2020	2020-09-14
Advice: always annotate public signatures with explicit public types so Kotlin inference doesn’t leak concrete implementations; hunt down and eliminate… Talk on
Safe Kolin	droidcon London 2019	2019-10-24
Kotlin safety centers on limiting mutation and making guarantees explicit: prefer val over var and immutable objects, use data class copy for updates, hide… Talk on
Kotlin Not-to-Do List - What we should avoid doing in Kotlin	droidCon Berlin 2019	2019-07-01
Kotlin code warns against hiding important details: declare public API types instead of relying on type inference (author once had to read bytecode to find a… Talk on
Superpowers of Kotlin Delegation	GeeCON 2019	2019-05-15
Shows concrete Kotlin delegation mechanics: interface delegation via "by" and property delegation compiling to getValue/setValue, used to implement lazy… Talk on
Effective Multiplatform Kotlin Development	GDG DevFest Poland 2018 in Wrocław	2018-10-26
Claim: Kotlin Multiplatform extracts real app logic so one implementation of presenters, models and many repositories runs on Android, iOS and web. Demo: a… Talk on
Superpowers of Kotlin Delegation	Mobilization 8	2018-10-26
Covers Kotlin’s interface and property delegation with concrete patterns and pitfalls: uses notNull delegate and lazy for lateinit and lazy init… Talk on
Effective Multiplatform Kotlin Development	KotlinConf 2018	2018-10-03
Claims that core app logic (presenters/use cases) and API DTOs can be written once in Kotlin and reused on Android, iOS and web, backing that with a working… Talk on
Kotlin: Next level of Android Development	Voxxed Days Bucharest 2018	2018-03-22
Kotlin claims mainstream Android status after Google’s 2017 announcement and JetBrains’ decade of design since 2010; adoption hits ~15% of projects (reported… Talk on
MVC vs MVP vs MVVM vs MVI	Mobilization 2017	2017-10-21
Choose between this pattern is constant subject for discussions and fights. In the same time anyone perceives them differently. Is there any way out of this… Talk on
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