Sessions

Come and learn how to build your own MCP server and connect it to an AI coding agent. I will provide starter repos in popular languages and advice on how to approach MCP [...]

Stop theorizing and start doing. This hands-on workshop takes you through the complete lifecycle of implementing a practical AI solution, from business case to deployed model. Working in small teams, you'll tackle a [...]

Chat interfaces are everywhere, but they're still stuck with text-only interactions. In this hands-on full-day workshop, you'll learn how to build real, interactive React components that live inside conversational interfaces using MCP-UI. You'll [...]

It has become cliché in both video games and movies for our hero or heroes to walk into the ancient temple, space station, or tomb and discover that although it has been abandoned [...]

Still waiting 30 minutes for your builds to finish? Still hunting down "unreproducible" bugs? It’s time to supercharge your setup. Join us as we dissect the intersection of Mobile DevOps and Artificial Intelligence. [...]

Stop theorizing and start doing. This hands-on workshop takes you through the complete lifecycle of implementing a practical AI solution, from business case to deployed model. Working in small teams, you'll tackle a [...]

Maintaining software dependencies and updating external packages and dependencies is something that nobody really wants to do, and it is often forgotten and neglegted. We would all much rather spend our time actually [...]

ING Wholesale Banking migrated the mobile application from native Android and iOS to Flutter. This session shares the real story—strategic decisions, technical challenges, and honest results. We'll cover why we chose Flutter for [...]

Some developers cannot write a single line of code without music. Others are convinced that absolute silence is the only way to think. This quiet disagreement shapes how we work more than we [...]

Swift Concurrency can make code cleaner, but it can also introduce hidden performance costs if you don’t profile it. In this session, we’ll use Xcode Instruments to identify bottlenecks in a deliberately slow [...]

Monitoring is essential in the development of Android apps, but achieving efficient monitoring is the ultimate goal for every developer! In this talk, we'll reveal some tips and strategies for implementing efficient monitoring [...]

Modern mobile apps rely on dozens of third-party SDKs for analytics, payments, ads, monitoring, and more. While these SDKs accelerate development, they also introduce hidden costs that are rarely discussed: slower startup times, [...]

TLDR; What will you learn: - Why focus on Accessibility? - What's EAA and why it is so messy? - Examples and Lessons learned - Discussing compliance of some common UI elements - [...]

"Your solution sucks!" We've all heard something like this at work. How did it make you feel? And the last time you needed to criticize a colleague's work, did you handle it as [...]

Generative AI has quietly (or loudly?) changed the threat model. Tools similar in spirit to ChatGPT or open-source LLM agents can fuzz APIs, reverse-engineer mobile binaries on the go, probe edge-cases in authentication [...]

There's a fundamental truth in web development that we often forget: the client is always lying. Not maliciously, necessarily. But every pixel rendered in a browser, every byte sent over the wire, every [...]

The Swift language has over 100 keywords, and that number increases with every release. Unless you've been doing nothing but "consume"-ing Swift grammar, you've probably come across "some" of these keywords lately and [...]

If all you have is a hammer, everything looks like a nail. PHP is the right tool for a lot of jobs in your web application, but it might not be the best [...]

Swift is increasingly effective outside of Apple platforms. The recent Swift SDK for Android, Swift on Server and Embedded Swift. While Apple is using Swift across all of these domains, they're not alone [...]

Maintaining a clean, well-organized codebase becomes increasingly challenging as projects grow and as more people try vibe coding. This talk introduces the tool Treeswift which embeds and extends the static analysis tool Periphery [...]

As the Android ecosystem expands beyond smartphones, users expect apps to seamlessly adapt to a variety of screen sizes and form factors. This session provides an advanced dive into the groundbreaking features of [...]

The Internet seems to be always-on, for everyone, all the time. But what if it isn't ? What if you're in a location where Internet is spotty, either as a provider of a [...]

Creating an exceptional app requires more than technical expertise. It demands a seamless integration of technical execution with User Experience (UX) and User Interface (UI) design. In many organizations, these responsibilities are divided [...]

We've all been there: After a lot of discussion the team can still not agree on a given solution. A majority vote makes the decision, but that leaves team members unhappy and unsatisfied. [...]

I'll describe the journey that we have had transitioning our Android codebase to Swift with the help of the Skip Toolchain. I'll discuss the pros, cons and how to figure out the best [...]

Building modern Swift applications often means bridging Swift Concurrency with legacy queue-based and callback APIs. This session explores actors beyond the basics, examining their power and pitfalls when integrating with existing codebases. Drawing [...]

Whether you're building APIs, deploying microservices, or just curious about what happens beneath the surface of your applications, understanding networking is essential. This talk explains the core concepts of networking - from the [...]

Let me tell you a story about the bane of all UI designers. The kryptonite of aesthetically pleasant screen components. The nightmare of even seasoned mobile developers. This is the tale of one [...]

We are living in a society where we are praised for being smart. Smart people are the ones who get the best jobs, the best houses and the best cars. But what about [...]

Explore the power of advanced TypeScript features by bringing hardware to life! In this talk, we’ll bring hardware to life using TypeScript and an Arduino, transforming sensors, servos and LEDs into a playground [...]

ABSTRACT Is your app really working, or just not crashing? “The Sensitive App” reports subtle bugs regardless of origin, and validates your assumptions in production so you don’t have to resort to guessing [...]

Kotlin Multiplatform is powerful, flexible, and full of promise — but it's not all smooth sailing. Behind the glossy headlines and official documentation lie subtle bugs, platform quirks, and surprising limitations that can [...]

Previously, there wasn't a PDF library that allows parsing of PDFs that was open source, MIT licensed and under active development. The PDFParser by smalot, while having been very useful over the years [...]

Every great RPG has side quests. Some people skip them, racing toward the final boss battle. But those who take the time to explore, help others, and build connections unlock skills, allies, and [...]

In this talk, I will delve into the concept of selective testing, showcasing XcodeSelectiveTesting. As iOS applications expand, their structure often evolves into modular designs, with clear interfaces and features separation. This growth [...]

So you have built your fancy JSON REST API, maybe even add a fancy OpenAPI spec of your API. And then you have to add file functionality to your REST API. You will [...]

Managing complex UIs in Android often leads to bloated ViewModels with a growing maintenance cost. In this talk, I’ll show how we tackled this challenge in a large-scale, multi-module production app by introducing [...]

This is a review of recent mobile app security incidents I work on day to day. We’ll walk through concrete cases from banking, food delivery, and e-commerce to break down how the breaches [...]

By Johan Janssens

Your app works great on your laptop, in the dev environment. Then production hits 10x expected traffic during a marketing campaign and everything falls apart. Or maybe not, instead six months of data [...]

A practical, hands-on talk based on building and growing an indie app to its first $10K in revenue. It covers launch strategy, growth experiments, monetization decisions, and key mistakes, with clear takeaways for [...]

Object oriented programming is no silver bullet, like any other paradigm. So, how to pick the right one? You simply don't. Modern programming languages are slowly adopting multiple paradigms, and for good reasons. [...]

Ever felt like your Git history is the scene of a gruesome crime? Have you ever seen commits so messy they should be classified as felonies? In this darkly humorous session, we’ll explore [...]

# The Kotlin Advantage: Android, Backend, and Multiplatform Kotlin is no longer just _"the Android language."_ It is a concise, expressive, and multi-purpose language that is transforming how we build backend services, share [...]

Do you need to protect some functionality or store sensitive data in your Android app? Biometric authentication seems both convenient and secure at face value. However under the skin of standardized APIs like [...]

When multiple teams across different domains and languages build APIs, it’s only a matter of time before standards diverge—different naming conventions, different ways of working, and different approaches to security. Everyone has the [...]

Model Context Protocol (MCP) is maturing fast. What started as a promising way to connect models to tools and resources is now evolving into a broader ecosystem with real applications, sharper security considerations, [...]

In the past few years Apple has double and tripled down on App Intents. It's how you connect your app, common actions, and even data to Spotlight, Siri, Widgets, and even Apple Intelligence. [...]

🎤 The UNCON is back! Fancy showing off your knowledge, a cool project, or just a fun idea? The UNCON lets you take the stage. No pre-registration needed. Just sign up on the [...]

Building applications for TVs, kiosks, and other remote-controlled devices isn’t the same as building for mobile. There’s no touch. No gestures. Just a handful of buttons—left, right, up and down. That constraint changes [...]

C2PA (Coalition for Content Provenance and Authenticity) helps combat deepfakes by providing a trusted standard for content provenance. It allows creators and platforms to cryptographically sign media at the point of creation and [...]

Compilation time can often be a silent productivity killer, especially when it’s consistently long and causes unnecessary context switching. In this talk, I’ll address how to reduce the time it takes for a [...]

Introducing WhatsApp as our first channel in a new messaging domain turned out to be less of a technical project and more of an exercise in product strategy, diplomacy, and learning just how [...]

In recent years, Googles Jetpack libraries have become an important additional API surface on Android. A growing number of them can also be used in CMP/KMP apps. But which ones? And how do [...]

SMS was once the trusted backbone of digital security, powering two-factor authentication and one-time passwords. But over time, the same channel became a favorite tool for fraud. Spam texts, spoofed calls, and large-scale [...]

Feed your app a photo and ask it questions, totally offline and without using any cloud services. Yes, your phone can do that now. In this fully demo-led talk, we'll see how to [...]

Users increasingly expect real time status updates without needing to open an app or deal with noisy notifications. Apple addressed this with Live Activities, and Android 16 introduces Live Updates with a similar [...]

In this talk, the speaker will introduce a modern approach to software design — one that strikes the right balance between automation and simplicity. The session will explore real-life scenarios, uncover common issues, [...]

Everybody knows that passwords are terrible and that passkeys are the solution. They are completely phishing-proof, can't be guessed, and aren't reliant on third party auth providers. But I've been surprised at just [...]

The movie industry is over 100 years now, older even than the computing industry in many ways! It's seen just about every form of computer technology come and go over its long history, [...]

In a world where loneliness is an epidemic and human connection feels increasingly elusive, could artificial intelligence be the answer – Are ‘friends’ truly electric?” In 1979 synth-pop legend Gary Numan asked the [...]

App Intents are a great way to make your app even more useful and apparent to people, but sadly they are still underused in our current apps. So let's change that! Since WWDC [...]

This half-day workshop is about learning to work with Claude Code. You will not be learning magicly pulling miracles out of a mysterious black box... You will discover how to use it as [...]

This is a practical, hands-on workshop. We start from a tiny, messy codebase and improve it step by step. We’ll replace `any` with real boundaries, use `unknown` + simple type guards, model flows [...]

In the times of microservices, it becomes clear how important Domain-Driven Design (DDD) still is. Only with strategic design (i.e. DDD on a large scale) and the division of the domain into bounded [...]

In the times of microservices, it becomes clear how important Domain-Driven Design (DDD) still is. Only with strategic design (i.e. DDD on a large scale) and the division of the domain into bounded [...]

Server-side rendering (SSR) is back in the spotlight-and React is evolving fast. In this workshop, we’ll go deep into the mechanics, performance trade-offs, and modern techniques of SSR with React.js. You'll start by [...]

The Foundation Model APIs provide easy to use access to Apple Intelligence. In this hands-on workshop you’ll use #Playground to experiment with various aspects of the model. You’ll create prompts, experiment with instructions, [...]

User experience is critical, so why wait for our users to encounter issues? You might have monitoring, but monitoring depends on user interactions. So, if you want to see issues before your users [...]

The Foundation Model APIs provide easy to use access to Apple Intelligence. In this hands-on workshop you’ll use #Playground to experiment with various aspects of the model. You’ll create prompts, experiment with instructions, [...]

Swift's concurrency model has fundamentally changed how we write safe, performant asynchronous code. This intensive workshop is designed for intermediate to advanced Swift developers who want to master concurrency beyond the basics. If [...]

User experience is critical, so why wait for our users to encounter issues? You might have monitoring, but monitoring depends on user interactions. So, if you want to see issues before your users [...]

Most frontend developers excel at implementing beautiful interfaces, but struggle with the "why" behind design decisions. This focused workshop gives you essential UX fundamentals that directly impact your development work - no coding [...]

Swift's concurrency model has fundamentally changed how we write safe, performant asynchronous code. This intensive workshop is designed for intermediate to advanced Swift developers who want to master concurrency beyond the basics. If [...]

Most frontend developers excel at implementing beautiful interfaces, but struggle with the "why" behind design decisions. This focused workshop gives you essential UX fundamentals that directly impact your development work - no coding [...]

The Swift language has over 100 keywords, and that number increases with every release. Unless you've been doing nothing but "consume"-ing Swift grammar, you've probably come across "some" of these keywords lately and [...]

If an autopilot fails, or a weapon system malfunctions, lives can and will be lost. As a result, significant checks, practices and concepts go into designing the software for such systems. But the [...]

Software development serves as a tool for automating solutions to problems. However, it's common for us to select frameworks, make architectural decisions, and begin writing code long before fully grasping the problem at [...]

OpenAPI is a technical specification for defining your APIs with. It is often promoted as a good way to document your APIs so that others can use them: useful but unnecessary for many [...]

The AI world is surely dominated by python, but things are moving in our loved PHP ecosystem too. LLPhant is building on the experience of LangChain and LLamaIndex in order to build a [...]

In this workshop, you’ll learn how to implement user authentication using Passkeys in your web and mobile applications, enhancing both security and user experience. Through hands-on coding, you’ll build a project that leverages [...]

In this high-speed session, I will unveil the secrets behind a massive enterprise Micro Frontend app I developed for the Dutch Railway Company. This project aimed to revolutionise the user experience, which previously [...]

Even with AI doing the (some) coding for us, specifying *exactly* what is needed and how to implement it is *hard*. How do you know you’ve got it down? When do you know [...]

Even with AI doing the (some) coding for us, specifying *exactly* what is needed and how to implement it is *hard*. How do you know you’ve got it down? When do you know [...]

Software development serves as a tool for automating solutions to problems. However, it's common for us to select frameworks, make architectural decisions, and begin writing code long before fully grasping the problem at [...]

Even with AI doing the (some) coding for us, specifying *exactly* what is needed and how to implement it is *hard*. How do you know you’ve got it down? When do you know [...]

Even with AI doing the (some) coding for us, specifying *exactly* what is needed and how to implement it is *hard*. How do you know you’ve got it down? When do you know [...]

NOTE: This is the same talk as in room 2, live streamed from that room, in case too many people choose this session. In this talk Bert showcases his parliamentary monitoring system https://opentk.nl [...]

In this workshop, you’ll learn how to implement user authentication using Passkeys in your web and mobile applications, enhancing both security and user experience. Through hands-on coding, you’ll build a project that leverages [...]

In this talk Bert showcases his parliamentary monitoring system https://opentk.nl to discuss the tradeoffs between running on a microstack, of a few cheap software components, and taking seven-league boots using cloud services to [...]

One of the most important building blocks in any JavaScript runtime is the eventloop which enables developers to write performant code, even single-threaded. But many developers do not look into how it works [...]

The Uncon Track is designed for spontaneous collaboration, lively discussions, and meaningful connections. Unlike the other sessions, this track empowers attendees to shape the conversation themselves and explore topics of their choice. Feel [...]

Observability is the ability to measure a system's current state. Backend engineers are becoming more familiar with the three pillars of observability and technologies such as OpenTelemetry that can be used to instrument [...]

The Uncon Track is designed for spontaneous collaboration, lively discussions, and meaningful connections. Unlike the other sessions, this track empowers attendees to shape the conversation themselves and explore topics of their choice. Feel [...]

What happens if all website information is contained in public LLM solutions? You will get the best UX design ever made in seconds! Public LLM's like DALL·E and Midjourney contain this information needed [...]

Ever heard of AI by design? This session will explore the critical decision-making process behind when AI is the perfect tool to enhance your operations and when it might not be the best [...]

Discover what Memory Leaks are in practice. We'll use MemLab and Chrome DevTools to debug leakage in our sample application, and it'll no longer be a black box for Developers attending the session! [...]

Did you know you can use the Chrome DevTools to test whether your website is build in an accessible way? If not, let's explore together. In this session, we will explore how we [...]

The Uncon Track is designed for spontaneous collaboration, lively discussions, and meaningful connections. Unlike the other sessions, this track empowers attendees to shape the conversation themselves and explore topics of their choice. Feel [...]