Sascha Steinbiss
Senior Software Engineer at DCSO Deutsche Cyber Sicherheitsorganisation GmbH
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolSascha Steinbiss is a senior software engineer in Berlin with 17 years of experience building robust tooling and security-focused backend systems, currently contributing at DCSO and as a long-standing Debian developer. He combines an algorithmic, PhD-level background in computer science and bioinformatics with hands-on implementation skills to deliver reliable foundations that empower domain experts rather than seeking managerial or high-level architecture roles. His open-source contributions include security hardening and protocol parsing improvements to the widely used Suricata intrusion detection engine, reflecting practical expertise in network security and low-level C code. Comfortable across research, production engineering, and packaging, he has maintained 100+ Debian packages and helped bring research-grade genome informatics tools into reproducible, deployable ecosystems. Colleagues value him for meticulous attention to detail, pragmatic problem solving, and a preference for individual-contributor impact within strong development teams.
17 years of coding experience
13 years of employment as a software developer
Dr. rer. nat. Computer Science, Dr. rer. nat. Computer Science at University of Hamburg
German, English, French
Stackoverflow
1reputation
153reached
0answers
1question
Github Skills (17)
c1110
security10
c1710
network-security10
intrusion-detection10
mqttnet9
mqtt9
dns9
parsing9
text-parsing9
rust9
performance-optimization8
cybersecurity8
ipsec8
shell6
Programming languages (18)
Github contributions (5)
OISF/suricata
Jan 2017 - Sep 2022
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata community.
Role in this project:
Backend & Security Engineer
Backend & Security EngineerContributions:193 reviews, 52 commits, 182 PRs in 5 years 9 months
Contributions summary:Sascha primarily focused on improving the Suricata network intrusion detection system's functionality and stability. Their contributions included fixing integer overflows in the memory allocation for the AC matcher, addressing compiler warnings, and enhancing MQTT and DNS parsing. They also implemented additional security checks and incorporated new IKEv1 metadata to the alerts, further improving the overall security posture.
git-repositorynsmipssecurityids
satta/bloom
Jul 2017 - Jun 2021
A highly efficient Bloom filter library and command line tool written in Go.
Contributions:2 PRs, 20 pushes, 14 branches in 4 years
golangcommand-line-toolbloomutilitybloom-filter
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