Louëlla Creemers
Microsoft MVP | .NET Developer | Content Creator
Ede, The Netherlands
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Louëlla Creemers is a software developer from the Netherlands focusing on .NET, C#, and modern web technologies. She is active in the developer community as a teacher, content creator, blogger, and public speaker, with a focus on making advanced or new topics accessible to developers at all stages of their careers. Online, she enjoys sharing educational content and the occasional joke with an audience of over 30,000 developers.
Through her community involvement, Louëlla was awarded the Microsoft MVP title in 2023 in the Developer Technologies category. She is also a board member of the .NET Foundation and a mentor for her local CoderDojo.
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The European Accessibility Act in 2026: Building Accessible Apps That Last
The European Accessibility Act (EAA) is now the new normal, but the real work for web developers is often just beginning. As we move into 2026, organizations across Europe are trying to find a way to build new features that are complying, and stay compliant to the WCAG guidelines.
In this session, we’ll go beyond the basics of EAA compliance to explore what it means to involve accessibility into every stage of the development lifecycle. We’ll cover advanced accessibility techniques, tools, and automation practices that help you integrate accessibility into CI/CD pipelines.
Through live demonstrations, you’ll see how to apply WCAG 2.1 standards using modern frameworks, test accessibility with tools like axe-core and Playwright, and fix common accessibility pitfalls developers still face.
By the end, you’ll know how to build, test, and maintain accessible web applications that stay compliant and user-friendly.
Stop Chasing Unicorns and Rainbows: The Dangers of Survivorship Bias in Tech
Behind every successful tech unicorn are failed ventures, burned out IT professionals, and unseen struggles. However, that’s not what’s seen from the outside. It’s easy to get caught up in the promise of these tech companies’ high valuations and overnight success - the unicorns and rainbows - but this kind of thinking leads to the dangers of survivorship bias.
In this talk, we'll explore the ways in which survivorship bias can distort our perceptions of what it takes to succeed in tech and discuss strategies for overcoming it. We'll delve into the role that luck and external factors can play in success, and how to take a more realistic view of the path to success.
Whether you're an entrepreneur, tech professional, or just a dreamer, this talk will provide valuable insights to avoid the pitfalls of survivorship bias. Don't get caught chasing unicorns and rainbows – join me to learn how to navigate the tech industry with an unbiased perspective.
Given at DevOpsDays Amsterdam 2023
Minimal APIs vs Controller-Based APIs: Finding the Best Fit for Your .NET Projects
Since the introduction of Minimal APIs in .NET 6, there have been discussions in the .NET community about whether to adopt Minimal APIs or stay with the classic controller-based web API. But which one is actually the best for your day-to-day development?
In this session, we'll compare both approaches across key areas such as routing, dependency injection, model binding, and performance. You'll learn when to use the lightweight Minimal APIs, and when to opt for the structure and scalability of a controller-based API.
Through demos, we'll build the same API using both approaches, demonstrating the differences between the two options. Whether you're building small cloud-based services or complex, large enterprise applications, this session will help you choose the right tool for the job.
Transforming .NET Projects with AI Capabilities Using Semantic Kernel
Unlock the full AI potential of your .NET applications with Microsoft’s Semantic Kernel, an SDK that enables developers to integrate advanced AI functionalities with ease. Imagine building applications that not only understand and generate natural language but also adapt dynamically to user interactions, automate complex tasks, and provide personalized experiences. Whether you're looking to develop agents or copilots, Semantic Kernel offers the tools to make it happen without requiring deep AI expertise.
In this session, we will dive into the core components of Semantic Kernel, showcasing how you can leverage agents, plugins, planners, and personas to enhance your .NET projects. Through live coding demonstrations, you'll see how to build a copilot that assists users by providing suggestions and recommendations, and then evolve it into a fully automated agent capable of handling tasks independently. We’ll cover the practical steps to integrate and customize plugins for specific skills, create planners that guide your agent’s actions, and define personas that shape your agent’s interactions and responses.
By the end of this session, you’ll have a good understanding of how to implement Semantic Kernel in your .NET applications. You'll gain the skills to start using this powerful tool to transform your development projects. Join us and discover the future of intelligent .NET development.
Azure Functions: From Zero to Hero
Imagine a world where your applications effortlessly respond to user demands, scaling up or down in real-time, without having to worry about the architecture. Meet Azure Functions – the solutions to working serverless so that your applications work even better.
In this session, we’ll explore the core of Azure Functions, covering all you need to know. From the basics to the newest features, This talk will guide you through the setup and show you the true power of this Azure feature.
You will get to learn the core concepts through hands-on demonstrations, we'll delve into the key features that make Azure Functions a game-changer. Learn how to leverage function triggers like HTTP and Queue so that you’re ready to start using Azure Functions for your applications immediately.
Whether you're an experienced Azure developer looking to embrace serverless computing or a beginner eager to stay ahead, this session is for you. Join me on this hands-on journey to unlock the potential of Azure Functions.
Modern C#: A Dive into the Community's Most Loved New Features.
Are you tired of using outdated features and techniques in your code? Do you want to keep up with the latest C# development? Join this talk to discover new features in the C# community, that you can include in your future projects.
In this talk, we will dive into Records, Pattern Matching, DateOnly, TimeOnly, Switch Expressions, and Top Level statements. We will discuss their benefits, and how they can help you improve your code in ways you never thought possible.
By the end of this talk, you will have a clear understanding of why these new features are essential for C# development and how to incorporate them into your own projects. You will leave this talk ready to take your coding skills to the next level and keep up with the latest C# features.
Update Conference Krakow 2026 Sessionize Event Upcoming
Swetugg Stockholm 2026 Sessionize Event Upcoming
Tunisia Dev Days 2025 Sessionize Event
J-Fall 2025 Sessionize Event
PragVue
Session about the European Accessibility Act
KCDC 2025 Sessionize Event
WeAreDevelopers World Congress 2025 Sessionize Event
Code Europe
Session about the European Accessibility Act
Update Conference Krakow 2025 Sessionize Event
VueJS Amsterdam
Session about the European Accessibility Act
Swetugg Stockholm 2025 Sessionize Event
APE Meetup
Azure Functions at APE XXL meetup
Update Conference Prague 2024 Sessionize Event
Swetugg Göteborg 2024 (Sweden) Sessionize Event
WeAreDevelopers World Congress 2024 Sessionize Event
Azure & AI Lowlands 2024 Sessionize Event
.NET DeveloperDays 2024 Berlin Sessionize Event
Experts Live Netherlands 2024 Sessionize Event
Azure Thursdays
Azure Functions: From Zero to Hero
Swetugg Stockholm 2024 Sessionize Event
J-Fall 2023 Sessionize Event
WeAreDevelopers World Congress 2023 Sessionize Event
MCT Meetup @ Microsoft NL
WeAreDevelopers World Congress 2022 Sessionize Event
Louëlla Creemers
Microsoft MVP | .NET Developer | Content Creator
Ede, The Netherlands
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