Robert Scheck
Linux System Architect And Software Engineer at Fedora Project
Stuttgart, Baden-Württemberg, Germany
Summary
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RockstarRobert Scheck is a Linux system architect and software engineer with 18 years of experience building reliable infrastructure and backend systems from Stuttgart, Germany. At ETES GmbH he combines hands-on system architecture with software development, while contributing to Fedora as a long-standing packager, ambassador and mentor. His open-source contributions include impactful work on baresip (improving cross-platform audio/SIP support and modular builds) and protocol enhancements to OpenSSL's s_client tool, showing deep expertise in networking, TLS and cross-platform compatibility. Colleagues describe him as a pragmatic problem-solver who bridges low-level systems detail and maintainable build/runtime practices, and he often surfaces distribution-specific tweaks that improve real-world deployability.
18 years of coding experience
German, English
Github Skills (31)
tls1210
telephony10
decryption10
c1110
tls1310
voip10
sip10
c1710
mtls10
sips10
openssl10
cryptography10
libtls10
encryption10
multiplatform9
Programming languages (28)
Github contributions (5)
baresip/baresip
May 2020 - Jan 2023
Baresip is a modular SIP User-Agent with audio and video support
Role in this project:
Back-end Developer & System Architect
Back-end Developer & System ArchitectContributions:8 reviews, 41 commits, 47 PRs in 2 years 8 months
Contributions summary:Robert focused on enhancing the baresip project, a modular SIP User-Agent. They made several key contributions, including improving cross-platform compatibility by testing for different library locations and allowing distribution-specific configurations for CA trust bundles and audio devices. Further improvements involved deriving the default audio driver and refactoring reverse domain name notation. The user also added and integrated modules and made adjustments to the build system to support new modules and audio drivers, improving the project's functionality and maintainability.
baresipagentlibrekamailiowebrtc
openssl/openssl
Nov 2016 - Feb 2019
TLS/SSL and crypto library
Role in this project:Back-end Developer
Back-end DeveloperContributions:4 PRs, 21 comments, 2 issues in 2 years 3 months
Contributions summary:Robert primarily contributed to the OpenSSL project by adding and modifying features related to Transport Layer Security (TLS) and its associated protocols. They implemented support for various protocols, including LMTP, NNTP, SIEVE, and LDAP, within the `s_client` tool. Their work involved modifying existing code, adding new options and functionalities, and integrating support for different STARTTLS commands.
crypto-librarycryptographyssltlscrypto
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