Sebastian Klähn
Teamleiter Und Rechtsschutzsekretär at DGB Rechtsschutz GmbH
Germany
Summary
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RockstarSebastian Klähn is a pragmatic team leader and software-minded backend developer with 7 years of experience, currently leading a team at DGB Rechtsschutz GmbH while coordinating cross-border projects at EURES-TriRegio. He brings hands-on Rust expertise from contributions to the chatmail/core Delta Chat library, where he improved messaging features and test automation—demonstrating a strong focus on reliability and idiomatic error handling. Comfortable bridging operational leadership and technical delivery, he pairs people management with code-level improvements that reduce defects and increase visibility into message flows. Colleagues might be surprised that his GitHub bio invites critique—an indicator of his openness to feedback and continuous learning.
7 years of coding experience
Github Skills (12)
testing10
rust10
send-email9
messaging9
sendmail9
e-mail9
error-handling8
smtpd8
imap8
smtps8
smtp8
openpgp7
Programming languages (13)
Github contributions (5)
chatmail/core
Jul 2021 - Jan 2023
Delta Chat Rust Core library, used by Android/iOS/desktop apps, bindings and bots 📧
Role in this project:
Backend Developer & Test Automation Engineer
Backend Developer & Test Automation EngineerContributions:236 reviews, 109 commits, 150 PRs in 1 year 6 months
Contributions summary:Sebastian contributed primarily to the `chatmail/core` library, a Rust-based backend for messaging applications. Their work focused on improving and extending the codebase, including implementing new features like "hop_info" for message tracking. They also made significant contributions to testing, fixing existing tests, and adding new test cases, indicating a focus on code quality and reliability. Further, they used techniques such as the `?` operator for error handling which is indicative of a good understanding of Rust.
deltachatios-androidcore-librarydesktop-appsios
webxdc/store
May 2023 - Jul 2023
XDC store, migrated to codeberg
Contributions:145 reviews, 104 PRs, 351 pushes in 2 months
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