Building the new Sports Betting platform for Nederlandse Loterij at sport.toto.nl — the market leader in Dutch sports betting with ~25% market share. Developing features for live betting, bet builders, and real-time odds while handling high-traffic events like Euro 2024.

Technologies: Vue, Typescript, NodeJS, SSR, .NET, C#, NATS, Kafka, Mongo, TypeSense, Azure, Kubernetes, Figma

Helping the Enterprise Tax Platform (ETP) - which provides data-driven tax insights (regulatory/compliance) for the tax professional - to implement a Modular Monolith.

Technologies: .NET, C#, Python, Modular Monolith, MassTransit, Microsoft SQL Server, Oracle 19c, Azure, AWS, Vue 3, Blazor, TailwindCSS, Typescript

Contributing to Piral, a framework for building microfrontend applications in React. My contributions focus on improving the developer experience and extending the plugin ecosystem for enterprise use cases.

Brisker Group is a full-service HR service provider. Introducing Briskergroup to high-cohesive and low coupling practises. Gradually transforming the codebase to a more (stable) service oriented solution, both in the backend and in the frontend.

Technologies: .NET, C#, Microservices, MassTransit, Azure, AWS, React, TailwindCSS, Typescript

Collenda is the market leader in software solutions for the entire credit life cycle. Trained non-.NET developers to be proficient in .NET so that Collenda could stop with outsourcing and have less risk. Giving guidance on how to move forward from a legacy codebase to a modern way of working.

Technologies: .NET, C#, WPF, Jenkins, Jira, Confluence

Contributing to HotChocolate, the most popular GraphQL server for .NET with over 5.5K GitHub stars. Helping improve the schema-first approach and performance optimizations for high-throughput scenarios.

StreamsDB is the modern stream database for advanced stream processing and event sourcing systems. It provides a rock solid foundation for event-sourced applications that store their state as a series of events, while allowing you write to multiple streams within a single transaction secure and efficient.

Contributing to EventFlow, a popular CQRS and Event Sourcing framework for .NET with over 2.4K GitHub stars. Focused on improving saga implementations and adding support for modern .NET features.

Designed and implemented a high-performance streaming data pipeline for ENAI/Trigion, one of the leading security system suppliers in the Netherlands. Built real-time event processing using Apache Kafka and .NET, handling millions of security events per day from alarm systems across the country.

Technologies: .NET Core, C#, Docker, Kubernetes (on-premise), Apache Kafka, RocksDB, Apache NiFi, Lenses, Git and GitLab

Helping Cito to support governments, institutions and awarding bodies so that they can develop world-class testing and monitoring systems to complete their educational programmes. From a legacy Windows-only monolith to stable future-proof microservices on multi-browser and multi-device, while simultaneously transforming the IT department.

Technologies: .NET Core, C#, Docker, Kubernetes, NServiceBus, Microservices, DDD, Javascript, Azure DevOps, Git, OpenID Connect, Angular, CI/CD, DevOps, Azure, Scrum and more

Creating the next generation of AFAS ERP platform based on their vision to generate software based on a model that represents the client's world instead of programming it.

Technologies: .NET Core, C#, Azure Service Fabric, CQRS, Event Sourcing, Microservices, DDD, React, TDD, Selenium, TFS, Git, OpenID Connect, Powershell, Cake, CI/CD, DevOps, Azure, Scrum and more

Founder of a small startup that will be able to style interiors in less than a 10th of the time it currently takes by making use of advanced optimization algorithms and artificial intelligence.

Technologies: .NET Core, C#, NodeJS, HonoJS, Kubernetes (AKS), Docker, Microservices, DDD, TypeScript, TDD, React, GraphQL, Git, OpenID Connect, CI/CD, Azure, AWS, Optimization algorithms, AI, and more

Microsoft Azure Advisors help advice Microsoft in the use and vision of the Azure platform. Subjects that are discussed are Service Fabric, Resource Manager, API Management, Azure Active Directory (B2C), Service Bus, App Service and Monitoring.

Rewriting the backend of the new Eneco app. Eneco is one of the largest producers and suppliers of natural gas, electricity and heat in the Netherlands, serving more than 2 million business and residential customers.

Technologies: .NET, C#, ASP.NET Web Api, Apigee, Azure, Jira, Confluence, SOLID, TDD, Git, CI/CD, Azure, Oracle 19c and more

Setting up the cloud landscape for VGZ - the second largest health insurance provider in the Netherlands. The API platform is connected to various legacy services in- and outside the organization, is connected to DigiD and also enables their mobile app.

Technologies: .NET, C#, ASP.NET Web Api, ASP.NET MVC, WCF, Azure, Azure Storage, Azure Service Bus, Azure API Management, Azure Active Directory (B2C), Azure App Service, DigiD, VSTS, SOLID, TDD, Git, CI/CD, DevOps, Scrum and more

Developing a mobile app - including the backend - that Nike uses to plan the SKUs of around 600 European stores.

Technologies: .NET, C#, Xamarin, MvvmCross, ASP.NET Web Api, ASP.NET MVC, Javascript, AWS, OAuth, Jira, Confluence, SOLID, TDD, Git, CI/CD, DevOps, Scrum and more

Built a logistics platform for a Maersk subsidiary entering the onshore logistics market. Developed the backend API and frontend for managing container transport, integrating with existing Maersk systems using NServiceBus for reliable messaging.

Technologies: .NET, C#, ASP.NET Web Api, NodeJS, Javascript, Azure, NServiceBus, OpenId, IdentityServer, Jira, Confluence, SOLID, TDD, Git, CI/CD, XLDeploy, DevOps, Scrum and more

Delivering multiple software development projects to aid in various aspects of daily business. For example, a reporting solution for the FTK (Financieel Toetsing Kader). The FTK is mandatory as of by the central bank of the Netherlands (DNB) and is considered complex. The results of the solution are yearly audited by EY.

Technologies: .NET, C#, VB.NET, WinForms, WPF, Mvvm, ReactiveUI, DevExpress, TFS, SOLID, TDD, Scrum and more

Consulted for multiple enterprise clients on .NET development projects, including custom business applications, system integrations, and migrations to newer .NET frameworks. Worked on-site at various organizations across the Netherlands.

Led the Microsoft Competence Centre at Atos, coaching and mentoring around 40 .NET developers. Organized internal training sessions, established coding standards, and helped team members advance their technical skills and certifications.

Developing an electronic health record system for UMC St Radboud - a university medical center.

Technologies: .NET, C#, ASP.NET, Javascript, TFS, SOLID, TDD, CI/CD, Scrum and more

The Microsoft Student Partners is a worldwide recognizable program to sponsor students majoring in disciplines related to technology. Microsoft chooses one skilled student from each institution at a time to serve as representatives. MSPs are assumed to further share the knowledge among the academic community by arranging courses; giving presentations and lectures; and initiating projects among the students.

Designing large-scale distributed systems is hard. While new technologies make it easier to comply with today's communications and security standards, they don't auto-magically give you a robust and scalable system. See how companies like Amazon and eBay run their systems and learn how to: Avoid common pitfalls in distributed systems, Use loosely coupled messaging communication, Identify and allocate business logic to services, Decompose services into layers, tiers, assemblies, and processes, Design for service management and monitoring in production environments.

This advanced CQRS training dives deeper into discussion on process managers, sagas, and advanced messaging patterns. Gregory Young (author of EventStore) coined the term "CQRS" (Command Query Responsibility Segregation) and it was instantly picked up by the community who have elaborated upon it ever since.

Akka.NET actors expose tons of new possibilities for designing reactive systems that are resilient, responsive, elastic, and message-driven - but taking advantage of these capabilities is done best in combination with established design patterns.

Ranked among the top universities of technology in Europe (#18, QS 2010) TU Delft's excellent research and education standards are backed by outstanding facilities, research institutes and research schools.

NLP stands for Neuro-Linguistic Programming. Neuro refers to your neurology; Linguistic refers to language; programming refers to how that neural language functions. In other words, learning NLP is like learning the language of your own mind!