Werner Guttmann
CEO, Founder at PSA Payment Services Austria GmbH
Vienna, Austria
Summary
👤
Senior🎓
Top SchoolWerner Guttmann is a seasoned software engineer and founder with 16+ years building API-first microservice architectures and leading a Vienna-based software firm, Reactive Software GmbH. He combines pragmatic design-by-contract principles with hands-on expertise in Spring Boot, Reactive Programming, and an increasing Kotlin-centric stack (including Ktor) to deliver robust, production-ready services. Werner’s background spans finance and payments—working on securities clearing, listed derivatives, and EBICS standards—where he represents Austria in the EBICS working group. As CEO and consultant he blends startup agility with enterprise-grade discipline, often focusing on just-the-right-technology choices rather than trends. He holds MSc and BSc degrees in Computer Science and complementary business degrees from the University of Vienna, reflecting a rare mix of technical depth and commercial insight.
17 years of coding experience
17 years of employment as a software developer
Vienna University of TechnologyMA, Business Administration, MA, Business Administration at University of Vienna
English, German, Italian, Spanish, French
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (36)
firebaseui8
localization7
firebase6
react6
internationalization6
translation6
javascript5
globalization4
intl4
multi-target4
spring-web4
xml4
maven4
monorepo4
oauth4
Programming languages (6)
Github contributions (5)
castor-data-binding/castor
Mar 2015 - Mar 2017
Contributions:1 release, 147 commits, 31 PRs in 2 years
castor-data-binding/castor-jdo
Jun 2015 - Jun 2015
Contributions:3 pushes, 64 branches in 2 days
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