Dummy Stock Simulator Live
Live browser app for practicing stock trading mechanics — stocks.perry3d.nl.
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Senior .NET Developer · C# Developer · Technical Lead
I'm a senior .NET developer with most of my professional experience in C# and web application development. In my current work I build secure web applications, backend systems, authentication and authorization flows, CI/CD pipelines, test environments, deployment setups, and project documentation.
A lot of my work is about taking responsibility for the systems I build. I care about how the software is structured, how it is tested, how it is deployed, and how other developers can understand and continue working on it later.
My professional background is mainly in financial software, secure web applications, system architecture, integrations, Scrum teams, and technical ownership. I have also worked in roles where I supported other developers through code reviews, mentoring, technical direction, and project planning.
Outside of my main work, I like building my own projects. These projects are often more experimental and creative. I have worked on Unity assets, VR training simulators, physics simulation, hardware controllers, 3D workflows, developer tools, and live web applications. Not all of these skills are needed every day in a business environment, but they give me a broad technical view and help me solve problems in practical ways.
Outside of software, I try to enjoy life and make time for the people around me. I like going for walks, spending weekends away with my girlfriend, visiting friends, and making time for family. When there is some time left in the day, I also enjoy working with my hands. That can be building something, fixing things around the house, doing small maintenance jobs, or working on practical projects away from the screen.
For me, work is important, but having a good life outside of work matters just as much. I care about growing as a developer, building useful things, and keeping enough balance to enjoy life with the people I love.
Live browser app for practicing stock trading mechanics — stocks.perry3d.nl.
Open app →Live house calculator for comparing mortgage and housing costs — house.perry3d.nl.
Open app →Unity conversion toolkit for developers — 97 families, 1,632 units, runtime APIs, and optional Inspector integration.
Open app →Unity3D fluid simulation asset — ongoing work on performance, realism, and developer tooling.
Unity3D asset for air flow and buoyancy-style behaviour — currently in active development.
At Quantix, I work as a senior software developer focused on building practical, secure, and maintainable web applications and backend systems. My work is mainly centered around .NET development, system architecture, authentication and authorization, CI/CD, testing infrastructure, deployment environments, documentation, and server-side application reliability.
At Speedbooks, I held a combined role across research and development, Scrum facilitation, team leadership, and hands-on software engineering. Speedbooks develops reporting software for accountants and financial professionals, where reliability, usability, clear data handling, and maintainable software are important.
At Figlo, I worked on financial planning software used by financial advisors, accountants, banks, and insurers. The platform helps professionals give customers insight into their current and future financial situation, which made reliability, accuracy, and maintainability important parts of the development process.
At Mount Visual, I worked on interactive software projects in a media and simulation-focused environment. The work combined C#, .NET Framework, Unity3D, VR, touch interfaces, Bluetooth communication, hardware integration, and close collaboration with designers and clients.
At Survival Systems International, I developed simulation software for lifeboat and rescue boat systems. The goal was to support engineering and design work by simulating boat behavior under different environmental and technical conditions.
As an independent project lead, I worked on an educational game for children aged 6 to 10. The project combined social skills learning with an introduction to basic physics concepts in a playful and accessible way.
I created and published Realistic Water Physics, a Unity3D asset focused on realistic object behavior in fluids while keeping performance practical for real-time use.
Questions about software or a project idea?