Johannes Fritz
Fullstack Developer Java Spring Vaadin at Fritz IT Consulting
Limburg an der Lahn, Hesse, Germany
Summary
👤
Senior🎓
Top SchoolJohannes Fritz is a fullstack developer and independent IT consultant with 9 years of experience, specializing in Java, Spring Boot, and Vaadin frontends, complemented by strong PostgreSQL and containerization skills. He has led end-to-end delivery—from conception and implementation to testing and handover—for enterprise systems across telecommunications, logistics, and finance. Since 2020 he runs Fritz IT Consulting, bringing practical expertise in REST APIs, TypeScript/JavaScript UI work, Docker/Kubernetes, and agile practices. His background includes multi-year product development at 1&1 and hands-on system builds at BSI, giving him a pragmatic blend of product-minded engineering and operational awareness. Open to new projects, he pairs a master's-level CS foundation with a founder-like mindset hinted at in his GitHub bio, experimenting with how developers ship and operate software.
9 years of coding experience
7 years of employment as a software developer
Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at Hochschule Darmstadt
Github Skills (3)
r-package10
r9
ssa6
Programming languages (4)
Github contributions (5)
global-trade-alert/gtalibrary
Aug 2018 - Oct 2022
R package containing functions to work with Global Trade Alert data
Contributions:2 releases, 299 commits, 2 PRs in 4 years 2 months
rr-package
global-trade-alert/gta-25
Nov 2019 - Jan 2020
code for 25th GTA report
Contributions:20 PRs, 91 pushes, 1 branch in 1 month
gtareport
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