Through active contributions to OpenStreetMaps, I've gained extensive knowledge in geodata, complex data relationships, and mapping technologies. This involvement with the world's largest geographic database has allowed me to explore geospatial information intricacies. In 2022, I ranked #48 in the Netherlands' Top Contributors, demonstrating my commitment to improving map data accuracy. These experiences have enhanced my expertise in geospatial analysis and data visualization. Embracing open data, I aim to create inclusive mapping solutions that cater to diverse needs.

Actively contributing and maintaining a few dozen packages.

I actively contributed code to multiple repositories in the 2020 GitHub Archive Program. This program preserves significant repositories and allowed me to make meaningful contributions to open-source projects. It provided an opportunity to connect with the wider community and contribute to the progress of software development.

Contributed to the Go bindings of FoundationDB.

The Microsoft Most Valuable Professional (MVP) award is a prestigious recognition in the software development community. MVPs are exceptional individuals who demonstrate outstanding leadership and dedication. They actively share their expertise, passion, and real-world knowledge of Microsoft products with others. This award signifies their invaluable contributions, mentorship, and positive impact on the Microsoft community.

In the realm of evolving software systems, incorporating data schema changes can pose significant challenges. These changes are far from trivial, especially in running systems that must maintain continuous availability. Introducing event sourcing as an architectural approach adds an additional layer of complexity to this dynamic. I had the privilege of participating in a study that ultimately led to the creation of "The Dark Side of Event Sourcing" paper. As an expert with extensive experience in event sourcing, my insights and expertise were instrumental in shaping the understanding of the intricacies and potential pitfalls associated with this approach. This involvement allowed me to contribute valuable insights to the broader software development community, fostering a deeper understanding of the practical implications and considerations of implementing event sourcing in real-world scenarios.

I love a challenge because it offers me an opportunity to grow. In 2015 I challenged myself to do a Github Streak of 30 days. This means, making at least one contribution at a public repository at Github every single day straigth. After 30 days I couldn't stop, so I continued for 155 days straight days and made 2,091 contributions in total that year.

I had the privilege of serving on the advisory board for the creation of the "Exploring CQRS and Event Sourcing" book by the Microsoft Patterns and Practices team. This role allowed me to contribute my expertise in CQRS and event sourcing, providing valuable insights and guidance. Collaborating closely with the team, I helped shape the content to ensure its accuracy and practicality. This experience exposed me to cutting-edge practices and industry expertise, reinforcing my commitment to knowledge sharing and community engagement. It was a rewarding opportunity to contribute to a resource that empowers developers and architects in implementing these powerful patterns effectively.

The Atos TRP Award is the most exclusive award Atos gives to their professionals. According to them it is given to the ones that delivered exceptional value to the company.

I achieved an outstanding accomplishment by securing the 1st position in the programming tournament called Masters of C#. This highly competitive event revolves around code challenges that demand swift and accurate solutions. Competing against 25 other skilled software developers, I demonstrated my prowess in problem-solving and coding proficiency.

By emerging as the winner, I showcased not only my technical expertise but also my capacity to analyze complex problems, devise optimal algorithms, and implement them swiftly. This accomplishment stands as a testament to my commitment to continuous learning, staying up-to-date with programming advancements, and honing my skills to excel in competitive programming settings.

In 2008, I had the honor of serving as a judge for the European Silverlight Challenge organized by INETA and Microsoft. Participants from over 20 countries competed for the title of "Europe's Best Silverlight Developer 2008." As a judge, I evaluated entries based on originality, design, usability, and technical execution. It was an inspiring experience to witness the exceptional talent and innovative solutions that emerged from this prestigious competition.

Microsoft acknowledged my valuable contributions to the MSDN forums, leading to my promotion as a Microsoft Community Moderator. This recognition reflects my dedication to actively participating in the forums, providing support, guidance, and sharing knowledge with fellow developers. As a Microsoft Community Moderator, I have the privilege of fostering a positive and collaborative environment within the community, assisting users, and promoting the exchange of insights and expertise. It is an honor to be entrusted with this role, allowing me to contribute further to the growth and success of the vibrant MSDN community.

In 2004, I held the distinction of being the top-rated contributor on the MSDN forums. My solutions and insights received the highest ratings from the community, reflecting my expertise and dedication to helping fellow developers.