Jannik Siebert
Software Engineer at hirosystems
Austria
Summary
🤩
Rockstar🎓
Top SchoolJannik Siebert is a versatile software engineer and Head of IT with 12 years of experience, based in Austria, who blends full-stack development, test automation, and product-minded design. He’s an automation-first thinker who has improved reliability across blockchain projects like Stacks (modifying core Clarity logic and enhancing failure logging) and contributed robust transaction and UI test suites for stacks.js and a browser extension. Comfortable from architecture to QA, he pairs hands-on coding with operational leadership at a student-led consulting firm and an indie-maker mindset on GitHub. Equally at home sketching UX or writing backend tests, he relentlessly looks for the second glance that turns manual work into repeatable systems.
12 years of coding experience
Leopold-Franzens Universität Innsbruck
Stackoverflow
3,042reputation
532kreached
26answers
21questions
visual-studio-code
top-5%
Github Skills (30)
crypto10
javascript10
testing10
stack10
decentralization10
typescript10
bitcoin10
bitcoins10
chrome-extension10
testing-library10
google-chrome-extension10
jestjs10
clarity10
blockchain10
typescript-types10
Programming languages (20)
Github contributions (5)
hirosystems/stacks.js
Jan 2022 - Jan 2023
JavaScript libraries for identity, auth, storage and transactions on the Stacks blockchain.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:1 release, 177 reviews, 232 commits in 11 months
Contributions summary:Jannik primarily contributed to the testing of the Stacks.js library, focusing on transaction-related functionalities on the Stacks blockchain. The commits add tests for transaction broadcasting, network inference, and various transaction scenarios like token transfers, contract deployments, and calls. These tests cover both successful and error cases, enhancing the reliability of the library's core transaction features and the test suite includes functionalities for attachment and sponsor-related tasks.
stacks-blockchainblockstackjavascriptblockchainstacks
leather-io/extension
Apr 2022 - Oct 2022
Leather browser extension
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:6 reviews, 6 commits, 6 PRs in 6 months
Contributions summary:Jannik primarily focused on improving the test environment and ensuring the quality of the Leather browser extension. Their work included switching to a node test environment, adding a static emotion cache provider to testing, and updating test configurations. The commits demonstrate a focus on testing the various UI components and transaction-related functionalities of the extension, ensuring its reliability and correctness.
stacks-walletblockstack-appsreactweb-extensionhiro
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