Rafael Guillen
Senior Software Engineer at SilverRail
Sofia, Sofia-City, Bulgaria
Summary
👤
Senior🎓
Top SchoolRafael Guillen is a Senior Software Engineer based in Sofia with over 15 years of experience designing and delivering scalable, cloud-native systems using Java, Spring, Docker, Kubernetes and Oracle. He has led teams and architected enterprise and financial platforms—building microservices, CI/CD pipelines and custom Kubernetes Operators to optimize ETL runtimes and cloud costs. Rafael’s background spans hands-on development, technical leadership and consulting, with a track record of modernizing legacy systems, implementing multi-tenant architectures and mentoring engineers. He moves comfortably between system architecture and implementation, having driven production migrations to Google Cloud DataFlow and developed monitoring and automation solutions for high-availability platforms. Outside code, he combines a disciplined engineering mindset with a creative streak—he’s passionate about music, which he credits for sharpening his pattern recognition and problem-solving approach.
10 years of coding experience
17 years of employment as a software developer
Software Engineer Computer Software Engineering, Software Engineer Computer Software Engineering at University of HolguínIdioma Inglés nivel Avanzado, Idioma Inglés nivel Avanzado at Centro Internacional de formación PostalParallel and Distributed Computing Workshop, Parallel and Distributed Computing Workshop at Instituto de Cibernética Matemática y Física ICIMAF
English, Spanish
Github Skills (21)
javafx9
java9
pattern9
sdk8
kubernetes-operator8
mvvm8
application-framework7
rxjava7
maven5
intellij-idea5
maven-plugin5
kubernetes5
plug4
intellij-plugin4
tfs4
Programming languages (1)
Github contributions (5)
rguillens/mvvmFX
May 2017 - Mar 2019
an Application Framework for implementing the MVVM Pattern with JavaFX
Contributions:5 pushes, 8 branches in 1 year 10 months
mvvmapplication-frameworkjavafxjavapattern
rguillens/webflux-examples
Aug 2020 - Oct 2024
Contributions:3 branches in 4 years 2 months
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