Sessions

We're in a world where the lines are blurred between human and machine intelligence, one where we need to build a harmonious relationship through experience. In his talk we'll explore how Humans and [...]

We've all heard the hype. Machine Learning is cool! Machine Learning is Rad! It'll change the world! End Poverty! Get George R R Martin to finally finish Game of Thrones! What actually is [...]

In this talk, we'll dive into the exciting world of Gemma, a groundbreaking family of open AI models by Google. We'll explore how you can leverage Gemma's capabilities to build innovative Mobile and [...]

Most of us are familiar with HTTP, but when it actually comes to creating cacheable web applications, there is still a lot to be learned. In this presentation I will show you how [...]

The AI era is here, and it's time to master the art of integrating it into your Android, iOS, and Web applications. In this workshop, we’ll explore all possible ways to connect AI [...]

I will present a case study on how we optimized our application to be both fast and resilient, even with queries involving multiple terabytes of data. There's nothing new or magical here—just "boring [...]

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 [...]

Writing secure code is important to prevent your users' data from being stolen. But vulnerabilities in your code can be difficult to spot and will not always be picked up during manual code [...]

When users click "Submit" twice, what happens next could make or break your application. Idempotency ensures repeated API calls produce consistent results, saving systems from duplicate charges, mismanaged resources, and confused customers. This [...]

The idea of isolating services into containers revolutionized the IT world. And while containers are here to stay, most container images in use today are gigantic in size, contain unnecessary even dangerous components [...]

PHP 8.4 brings powerful new capabilities for HTML parsing and DOM manipulation that make working with web content significantly easier. This session demonstrates how to use these new features in PHP to build [...]

Learn how we created a serverless, fault-tolerant, event-driven ticketing platform on AWS. We will cover the reasons behind the decision of building this platform from scratch ourselves, the architecture of the different components, [...]

In the world of software development, programming languages and frameworks are more than just tools—they can become badges of identity and sources of near-religious devotion. In this talk, we explore how developers often [...]

Started in 2017, Bref is an open-source project that helps run PHP serverless on AWS. Today, Bref is used by thousands of companies and handles over 10 billion requests and jobs each month. [...]

Passwords are a thing of the past. Meet Passkeys, a new passwordless authentication standard that enhances security and user experience across platforms. This session explores WebAuthn integration for websites and apps, guiding you [...]

There are revolutions afoot that you may not even be aware of. When many like to shout that PHP is dead, many of us know that it comes from a reputation of yesteryear. [...]

Having to manage “legacy” applications is an inevitable step in the life of developers, especially when they are critical to the business. Over the years and the many changes made to the code, [...]

Everyone! You will always remember this day as the day that changed your perspective on security and UI/UX. Today, we set sail to discover the hidden treasures of these two islands. How many [...]

A deep dive into the trenches of software engineering, revealing how teams can diagnose, strategically refactor, and resurrect legacy codebases plagued by technical debt. Learn from real-world case studies that showcase diagnostic techniques, [...]

In this talk I explain how to use Xdebug to get more productive writing PHP code, focussing on the improvements in Xdebug 3.2 and 3.3, and the upcoming 3.4, to make the debugging [...]

Writing software is just one part of the delivery. In this talk Berry Langerak will take you through the years and the various deployment strategies that have existed over time, highlighting their benefits [...]

Modern PHP applications often rely on multiple external services via HTTP, especially with the rise of AI tools like OpenAI. However, PHP’s single-threaded nature forces your application to wait for each response, creating [...]

I tell you the story about why and how I wrote a package called tempest/highlight (https://github.com/tempestphp/highlight). A fast and extensible code highlighter for the web and terminal, written in PHP. When I was [...]

As PHP developers, our ecosystem has a very low barrier to entry compared to other languages. Pretty much any shared hosting provider allows you to start building your dreams. On the other hand, [...]

"I can't reproduce it," "we'll need to add logs," "we can't test that in staging," "it seems to have been broken for a while," "it works locally," ... If you hear these phrases [...]

In recent years, the ways that we can deliver HTTP has improved in occasional leaps, from 1.0, 1.1, a big step to 2.0, and now 3.0. One of the biggest obstacles has been [...]

Ever faced a heavy computational task and thought, "Maybe PHP isn't the right tool for this"? Think again! With `ext-parallel`, multithreading is a reality in PHP. In this session, I'll show you how [...]

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 [...]

This talk goes into the details of being an open source maintainer and the things that go along with it. It goes into the problems do they run into, which tools does GitHub [...]

Four years after its first version, PHP 8 has already started the work of feature deprecations, targeting PHP 9. This session offers a complete overview of these changes: from the planned disappearance of [...]

Value Objects can be one of the most powerful tools in your modelling toolbox. They make code expressive, maintainable, deterministic and cohesive. Yet they are sometimes misunderstood and it's often difficult for developers [...]

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 [...]

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 [...]

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 [...]

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 [...]

What if you cannot trust your tests? With more and more developers working on our monolith, we have a strong CI to deliver code into production: our goal is to deliver meaningful features [...]

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 [...]

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 [...]

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 [...]

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 [...]

Closing keynote (description will follow).,

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 [...]

In software projects, it's important to write down why we make certain big decisions about how the software is built. These written records are called Architecture Decision Records (ADRs). They help us remember [...]

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 [...]

Is TypeScript the hero JavaScript has been waiting for? While some love its type-safe assurances, others shy away from its complexity. But what if you could navigate the spectrum of TypeScript's capabilities with [...]

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 [...]

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 [...]

After the journey through Fronteroth, lies the portal to the Backend. There's a whole new set of concepts to master: server-side logic, databases, APIs, and more. And just like the frontend, the backend [...]

Dive into keyboard accessibility and focus management - skills for creating inclusive web experiences. Learn how to ensure your interactive elements are accessible to everyone, whether they use a mouse or not. We'll [...]

What can tech teams learn from a theme park? More than you might think. Disney is known for crafting magical experiences: not just in their parks, but in the way they approach design, [...]

Serverless development might sound like magic, but trust me—it’s not the kind of sorcery that will leave you scratching your head or calling tech support. In this session, we’ll uncover the secrets of [...]

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 [...]

I’m sharing best practices on building a truly cross-platform / universal TypeScript library in 2025. TypeScript compiles to JavaScript which runs everywhere, so that should be easy, right? For a simple library, sure, [...]

What makes some websites instantly feel 'right' while others frustrate us? What makes interfaces feel truly intuitive? In this session, we'll explore three fundamental UX design principles (Information Architecture, Consistency, and Clarity) and [...]

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!

Gen AI is known to sometimes produce inaccurate and unpredictable responses, which can be catastrophic for any developer hoping to build a consistent experience for their end users. In this talk, we'll explore [...]

ING is a leading European bank, with over 60,000 employees serving more than 38 million customers, corporate clients, and financial institutions across more than 40 countries. In this session, I will present how [...]

Is CSS a programming language? And if so, how do you program in it? In this session you will learn how to create some solid engineered systems in CSS. We will learn how [...]

The road to becoming a modern Frontend developer is not easy. There's a lot to learn: the basics, the conventions, and the syntax. On top of that, it's a world where everything changes [...]

Curious about how Netherlands biggest weather platform manages to predict the weather with such accuracy while serving millions of users every day? Join us for an insightful dive into the technology powering Buienradar’s [...]

Dive into the cutting-edge world of VR-first web development! As VR headsets revolutionize web browsing, we'll challenge the assumption that VR websites must be 3D and spatial. Instead, we'll explore how to adapt [...]

Learn how Nielsen's timeless 10 usability heuristics can revolutionize your web interfaces. In this full-day hands-on workshop, we'll dive deep into these fundamental principles that still form the backbone of every usability evaluation. [...]

Learn how Nielsen's timeless 10 usability heuristics can revolutionize your web interfaces. In this full-day hands-on workshop, we'll dive deep into these fundamental principles that still form the backbone of every usability evaluation. [...]

Everywhere we look we see examples of leveraging AI technologies not just while building software, but in our web applications too. While developers want to embrace new shiny technologies, tech leaders raise concerns [...]

Everywhere we look we see examples of leveraging AI technologies not just while building software, but in our web applications too. While developers want to embrace new shiny technologies, tech leaders raise concerns [...]

In this workshop, you will delve into Vanilla JavaScript and basic DOM manipulation techniques, focusing on developers who primarily use libraries such as React, Angular, or Vue. Maximiliano Firtman will guide you through [...]

In this workshop, you will delve into Vanilla JavaScript and basic DOM manipulation techniques, focusing on developers who primarily use libraries such as React, Angular, or Vue. Maximiliano Firtman will guide you through [...]

The 2024 aftermovie for Webdevcon Conference is here! Relive the conference, immerse yourself in innovation, and get inspired. Watch the highlights and get a glimpse into the future of web development.

Could you imagine going to the hospital in a wheelchair and not being able to get inside due to the 20 steps of stairs you have to take without the option of a [...]

As well as being a full-time software developer, I'm also a huge film buff. I love films from any number of countries, eras and genres. One of my favourite things though, is when [...]

Do you have a multi-day ticket but is the session of your choice already fully booked and you don't like the alternatives? You can always choose the 'movie passe-partout'. Since the event is [...]

Do you have a multi-day ticket but is the session of your choice already fully booked and you don't like the alternatives? You can always choose the 'movie passe-partout'. Since the event is [...]

The covid pandemic is over. But we are facing another from which we suffer daily. The pandemic of inactivity. However, there is a fun way to deal with it! As a team, with [...]

Do you have a multi-day ticket but is the session of your choice already fully booked and you don't like the alternatives? You can always choose the 'movie passe-partout'. Since the event is [...]

Do you have a multi-day ticket but is the session of your choice already fully booked and you don't like the alternatives? You can always choose the 'movie passe-partout'. Since the event is [...]

Do you have a multi-day ticket but is the session of your choice already fully booked and you don't like the alternatives? You can always choose the 'movie passe-partout'. Since the event is [...]

Do you have a multi-day ticket but is the session of your choice already fully booked and you don't like the alternatives? You can always choose the 'movie passe-partout'. Since the event is [...]

You think you've made the perfect app, but take it overseas and watch things fall apart! In this talk we delve into the frequent mistakes developers make when adapting their sites or apps [...]

Ever felt the frustration of inheriting a codebase with introduced code that no one actually understands why they were added? Well, I get it. This is not a talk about atomic commits or [...]

Once upon a time, developers were the unsung heroes of our world. The stereotypical developer, with glasses perched on the nose and an innate talent for science, even inspired the alter egos of [...]

About to finish my first year in my company, I caused not one but two incidents in production in one hour! Despite the tense moment, it was a huge learning. No one ran [...]

JIRA is a widely used tool to manage software projects. Project managers LOVE it. But, what about developers? Are we really stuck in the eternal hell of pushing boxes? Let's see what could [...]

A lot of companies think contributing to open source is hard, but is it? In this talk you will hear about how Ingewikkeld, a small Dutch development and consultancy company, has built a [...]

For most of my early career, I was told the only path up was through management roles. Our market has since evolved, and Staff+ engineering roles are more common and offer us a [...]

You've started a new job. As you dig deeper into the codebase, the WTFs per minute rate rapidly increases, and you're left wondering... "Where do I start?!". In this talk, I'll draw on [...]

For many years, the waterfall model was the standard way of developing software. Engineering teams could spend months or even years on the architecture of a new project, before even a single line [...]

Iterators could save your day on many occasions. Everyone has already been bothered by memory overflows when trying to manage too big collections in PHP. These are omnipresent in the most famous PHP [...]

Monad is a term that comes from functional programming, and some people swear by them for error handling. But what is a monad exactly? And what if told you, you may have actually [...]

There are many ways in which companies and teams operate. Over the last two decades or so, Agile and DevOps have really taken off in many people’s minds. However, are Agile and DevOps [...]

The best way to understand application security is to try breaking into your own web applications, and there's a free open source tool with support from leading industry players to help you do [...]

Naming namespaces, classes, and variables in code is a common and hard problem! Name something wrong and it will end up needing to be refactored. This talk will focus on the best strategies [...]

Git is the modern-day version management system of choice. We all know how to commit, push, pull and merge. But what about (interactive) rebasing, fixing up commits, cherry picking lines and bisecting the [...]

Learn the "evergreen" skills that every software developer needs to thrive in their career, regardless of the latest technologies and trends. In this talk, we'll explore some of these and how to cultivate [...]

So you’ve moved from a legacy database-centric architecture to a brand new Domain-Driven Design approach. Your coworker told you that this would be about speaking the language of the customer and putting the [...]

You followed all the rules: TDD, SOLID, CUPID and of course DDD. But when refactoring time comes, you still have to touch all those pesky tests. You thought refactoring meant not changing the [...]

Generics are a programming language concept. In short, they allow you to write typed code without being specifically linked to a particular type. Many languages already support generics more or less natively: Java, [...]

During this presentation, we are going to look at the new features that were introduced in PHP 8.3, and some in earlier versions. Join me to have a look at how the type [...]

Manually testing your own API endpoints using PostMan or an equivalent tool takes a lot of time. Testing them through unit tests will only test a part of our application, and often skips [...]