Martin Matusiak
Principal Software Engineer at Betashares
Sydney, New South Wales, Australia
Summary
👤
Senior🎓
Top SchoolMartin Matusiak is a Principal Software Engineer based in Sydney with 18 years of experience building low-latency, production-critical systems and leading engineering teams. He combines systems-level expertise in C/C++ and Rust with practical cloud-native experience in Go, Python and Kubernetes, and has shipped high-performance market data and trading infrastructure with sub-microsecond characteristics. A proven technical leader and mentor, he has driven observability and developer-experience improvements at scale and founded local community initiatives to broaden tech access. Martin is also an active open-source contributor to projects like Envoy, where he improved retry and health-check behavior—bringing deep protocol-level insight into service proxies. He thrives on roles that blend elegant API and library design with distributed-systems engineering and hands-on mentoring.
18 years of coding experience
16 years of employment as a software developer
Master of Science Software Technology, Master of Science Software Technology at Utrecht UniversityBachelor of Science Software Engineering, Bachelor of Science Software Engineering at Sør-Trøndelag University College
English, Norwegian, Polish, Italian, Dutch, French
Stackoverflow
876reputation
18kreached
2answers
8questions
Github Skills (17)
c-language10
reverse-proxy10
envoyproxy10
routers10
health-check10
http10
router10
cprogramming-language10
apidoc9
api9
elisp6
conditional-statements6
focus6
emacs6
dotemacs6
Programming languages (9)
Github contributions (5)
envoyproxy/envoy
Jun 2020 - Jan 2021
Cloud-native high-performance edge/middle/service proxy
Role in this project:
Backend Developer
Backend DeveloperContributions:29 reviews, 26 commits, 29 PRs in 7 months
Contributions summary:Martin primarily contributed to the Envoy proxy's HTTP filter functionality, specifically focusing on the health check and router components. They fixed typos in documentation and code, optimized code by translating floating-point arithmetic to integer arithmetic in the health check filter, and implemented retry-related logic, including consuming retry headers. The user also refactored and enhanced the retry behavior by adding a new retry policy based on rate-limited responses.
nanoservicesmore-catsgolangcontainersproxy
numerodix/emcache
Dec 2015 - Aug 2016
Contributions:452 commits, 288 pushes, 19 branches in 7 months
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