Hendrik Ebbers
Geschäftsführer at Eclipse Foundation
Dortmund, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolHendrik Ebbers is a senior software leader and entrepreneur with 13 years of experience building distributed systems, Java platforms, and blockchain infrastructure. As founder and Geschäftsführer of Open Elements and former co-founder of Karakun, he blends hands-on back-end engineering with executive leadership and product delivery. He’s an active open-source maintainer and Java Champion involved with Eclipse, Adoptium/AdoptOpenJDK, and projects such as hiero-ledger where he improved module architecture, dependency management, and EVM/HAPI refactors for ledger services. At Hashgraph he scaled from Principal Engineer to Director of Open Source and serves on the Linux Foundation TAC and the Eclipse Board, reflecting deep engagement in governance and standards. He also teaches blockchain and distributed systems at OTH Regensburg, bringing academic rigor to practical ledger implementations. Based in Dortmund, he combines low-level build and dependency expertise with strategic ecosystem stewardship—an unusual mix that helps bridge developer experience and production-grade distributed ledgers.
13 years of coding experience
10 years of employment as a software developer
Diplom, Nachrichtentechnik, Diplom, Nachrichtentechnik at FH Dortmund
English
Stackoverflow
2,600reputation
357kreached
91answers
8questions
java
top-5%
javafx
top-5%
Github Skills (14)
dependency-management10
javas10
gradlew10
java10
gradle10
javafx9
tokend8
access-token8
crypto8
blockchain8
css6
sdkman6
swing6
fxml6
Programming languages (21)
Github contributions (5)
hiero-ledger/hiero-consensus-node
Nov 2022 - Jan 2023
Crypto, token, consensus, file, and smart contract services for the Hedera public ledger
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1055 reviews, 72 commits, 256 PRs in 2 months
Contributions summary:Hendrik Ebbers primarily contributed to dependency management and module definitions within the project. They fixed the Jackson version and addressed missing module information, impacting project build configurations. Further contributions involved the pattern for the new modules, the base packages for various utility and fees modules, and refactoring of the EVM and HAPI modules, demonstrating expertise in project structure and dependency resolution. The user also made improvements to code quality within the hedera app and mono service, removing older and less-preferred annotations.
consensussmart-contractethereumcontractblockchain
hendrikebbers/hendrikebbers
Jul 2020 - Oct 2024
Contributions:7 pushes, 1 branch in 4 years 4 months
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