Sebastian-stefan Raba
Full Stack Engineer at Haufe Group
Timișoara, Romania
Summary
🤩
Rockstar🎓
Top SchoolSebastian-stefan Raba is a founder and full-stack engineer with nine years of experience building developer-focused tooling for Web3 and enterprise platforms. He leads Web3Buidlers to produce open-source templates, runbooks, and integration patterns that reduce friction for Hedera and retail developers from first clone to deployed integration. His background includes enterprise full-stack delivery at Haufe Group and earlier blockchain platform work at Web3 Labs, where he contributed to web3j and Quorum tooling. Comfortable across Solidity/Hardhat, TypeScript/Node, React, and cloud architectures, he blends hands-on coding with a knack for practical documentation and reproducible workflows. Notably, his contributions to the popular web3j library involved stabilizing integration tests and fixing node-disconnection issues, underscoring his focus on reliable developer experiences. Based in Timișoara, Romania, he pairs academic grounding from King's College London with a developer-first approach to lowering barriers in the Hedera ecosystem.
9 years of coding experience
2 years of employment as a software developer
Liceul Teoretic "Grigore Moisil" TimisoaraBachelor of Science (BSc), Computer Science with Management, 2:1, Bachelor of Science (BSc), Computer Science with Management, 2:1 at King's College LondonMicrosoft Office Specialist, Microsoft Office Specialist at Microsoft Office
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (11)
javas10
web3js10
ethereum10
java10
blockchain10
rxjavafx9
rxjava9
smart-contracts9
solidity8
contract8
android8
Programming languages (6)
Github contributions (5)
LFDT-web3j/web3j
Sep 2018 - Nov 2018
Lightweight Java and Android library for integration with Ethereum clients
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits, 3 PRs, 6 comments in 1 month
Contributions summary:Sebastian-stefan primarily focused on debugging and refactoring the `web3j` library. Their contributions included fixing issues related to node disconnections, particularly in the `ObservableIT` integration tests. They also addressed merge conflicts, and checkstyle problems, enhancing the stability and maintainability of the codebase, especially within the context of smart contract interactions.
ethereumrxjavasmart-contract-toolsblockchainandroid-library
sebaraba/LinkPrediction
Mar 2018 - Apr 2018
Contributions:47 commits, 14 PRs, 30 pushes in 1 month
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