Arno Haase
Independent Software Problem Solver at Self-employed
Brunswick, Lower Saxony, Germany
Summary
👤
Senior🎓
Top SchoolArno Haase is an independent software problem solver with 12+ years of professional experience and a physics Diplom underpinning a pragmatic, model-driven approach to architecture and code reviews. He brings deep expertise in Rust, Kotlin, Java, Scala and JPA/Hibernate, combining language-level fluency with hands-on design for maintainable systems. A former Principal Engineer at Contrast Security and long-time independent consultant, Arno coaches teams through complex technical decisions and delivers targeted workshops and tutorials—most recently producing Rust learning material for practitioners. Based in Brunswick, Germany, he blends academic rigor with decades of applied consulting, often spotting systemic issues early thanks to a physics-trained analytical mindset.
12 years of coding experience
23 years of employment as a software developer
Diplom (Master equivalent), Physics, Diplom (Master equivalent), Physics at Rheinische Friedrich-Wilhelms-Universität Bonn
Github Skills (45)
rust10
split-brain9
compiler9
cat8
rust-language8
streaming8
http-server8
duplicates8
crate8
websocket8
akka-http8
standard-library8
akka8
rust-lang8
reactive8
Programming languages (5)
Github contributions (5)
arnohaase/rustconsensus
Sep 2024 - Apr 2025
Contributions:224 pushes, 2 branches, 1 comment in 6 months
arnohaase/simple-akka-downing
Dec 2017 - Apr 2020
A simple Downing provider for Akka that detects and prevents split brain situations
Contributions:3 commits, 1 PR, 17 pushes in 2 years 4 months
brainsplitproviderscalasplit-brain
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.