Andreas Fischer
Co-Founder & CTO at InnoCharge GmbH
Karlsruhe, Baden-Württemberg, Germany
Summary
🤩
Rockstar🎓
Top SchoolAndreas Fischer is a Co-Founder and CTO with 18 years of software engineering and security research experience, currently leading InnoCharge from Karlsruhe. He combines deep academic chops—a Dr. rer. nat. in Computer Science and KIT Diplom—with practical applied cryptography work at SAP on homomorphic encryption, Intel SGX, and secure cloud computing. Andreas has a strong open-source pedigree, contributing to widely used projects like phpBB and phpseclib and improving documentation for Doctrine DBAL, showing attention to both code quality and developer experience. His background spans hands-on backend engineering, software architecture, and research science roles at FZI, bridging academic rigor and product delivery. Colleagues describe him as a pragmatist who turns complex cryptographic research into deployable, secure systems for real-world use.
18 years of coding experience
12 years of employment as a software developer
Doctor of Science (Dr. rer. nat.) Computer Science, Doctor of Science (Dr. rer. nat.) Computer Science at Paderborn UniversityDiplom-Informatiker (Dipl.-Inform.) Computer Science, Diplom-Informatiker (Dipl.-Inform.) Computer Science at Karlsruhe Institute of Technology (KIT)
Github Skills (23)
mysql10
sphinx10
rs10
php10
sphinxsearch10
documentation10
architecture9
refactor9
ssh9
architectures9
refactoring9
web-development8
data-integration8
system-integration8
security8
Programming languages (16)
Github contributions (5)
phpseclib/phpseclib
May 2012 - Aug 2020
PHP Secure Communications Library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:884 commits, 180 PRs, 203 pushes in 8 years 4 months
Contributions summary:Andreas's commits primarily involve merging branches and adding whitespace-related code style rules, indicating a focus on code quality and integration. The user also made changes to the phpseclib/Net/SSH2.php file, modifying code related to SSH2 communication and the handling of channel requests. These commits suggest an involvement in backend development and potentially integration or maintenance tasks within the PHP Secure Communications Library.
ecdhsshelliptic-curve-cryptographyltssecure
phpbb/phpbb
Jun 2009 - Sep 2016
phpBB Development: phpBB is a popular open-source bulletin board written in PHP. This repository also contains the history of version 2.
Role in this project:Back-end Developer & Software Architect
Back-end Developer & Software ArchitectContributions:2624 commits, 114 PRs, 176 pushes in 7 years 4 months
Contributions summary:Andreas primarily worked on enhancing and maintaining the PHPBB codebase. Their contributions involved refactoring existing code, adding new features, and implementing security improvements within the core components of the forum software. These efforts focused on improving code efficiency, addressing potential vulnerabilities, and ensuring the system's compatibility with updated libraries.
bulletin-boardbulletinforumphpphpbb
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