Hi. I’m
Pedro Duque (Duke) Vieira.

I’m a Software Engineer and Software Designer. I develop beautiful, graphical applications that users feel happy to use and that boost their productivity.

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Pedro Portrait Assets-08(3) Pedro Portrait Assets-08(3)


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I’m a freelance consultant. My passion and work for more than 15 years has been all about applications with user interfaces and all the aspects that come with it, including its Design and UX.

Besides being a Software Engineer I’m also a Software Designer, sometimes creating the Design of applications for my clients or redesigning already existing ones. I’ve worked for companies that are tech leaders, including companies that help create the technologies that developers use to create the interfaces of their applications.

I have worked professionally with JavaFX since its very first preview version.

In my free time, I like doing open source (FOSS). Some of those FOSS projects are used worldwide and others are used in the most well-known Java applications (like NASA’s applications: DSTE and Trajectory Optimization Data Viewer).

Amazing Applications

I've built the most amazing Applications. Highly appreciated by users and used worldwide.

Expert in Java

15 years of experience. Worked with recognized Java gurus and top tech companies building award winning software and tools.

Expert in JavaFX

I’ve been using JavaFX since its first release (beta version). I've worked for the highest profile companies using JavaFX and my open source JavaFX projects power the most well known software.

Open source

On my spare time I develop open source projects. Some of them help power the highest profile applications, like DSTE and TODV apps used by NASA.

Passionate about graphics

I love graphics and creating applications with user interfaces. I’ve been perfecting this craft for more than 15 years.


Ocasionally I write about technology and sometimes speak at conferences. My articles are republishled on the best publishing platforms and highly appreciated.

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