Mateusz Klatt
Vice President, Software Engineering at Goldman Sachs
Warsaw, Masovian Voivodeship, Poland
Summary
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Senior🎓
Top SchoolMateusz Klatt is a pragmatic engineering leader with 13+ years building low-latency, regulatory and treasury systems across trading, fintech, and blockchain. As a VP of Software Engineering at Goldman Sachs and a former SIG Meerkat developer, he combines hands-on Python/Java/C# development with production experience on FIX, market data feeds, and hybrid GCP/AWS Kubernetes platforms. He has delivered latency-critical tools, consensus-node prototypes for Mastercard’s PoA blockchain, and cyber-resilient CI/CD for defense-linked clients, showing a rare blend of HFT performance tuning and security-first operational rigor. An active open-source contributor and dual Irish-Polish citizen, he pairs formal fintech and cybersecurity diplomas with practical incident-response training from service in the Territorial Defence Forces. Colleagues rely on him to bridge traders, treasury, and compliance teams to turn real-time models into auditable, scalable systems.
13 years of coding experience
15 years of employment as a software developer
Professional Diploma in Fintech FinTech, Professional Diploma in Fintech FinTech at University College Dublin
Github Skills (25)
legend10
depot10
modeling10
sdlc9
python8
on-the-fly5
smartphone4
pandora4
financial4
playlists4
pfx4
shadow4
p123
compliance3
testing3
Programming languages (6)
Github contributions (5)
mateusz-klatt/bitcoin
Jun 2022 - Oct 2023
Bitcoin Core integration/staging tree
Contributions:1 release, 85 pushes, 6 branches in 1 year 4 months
stagingcryptocurrencybitcoin-corebitcoin
mateusz-klatt/legend-engine
Apr 2024 - Nov 2024
Legend Engine module
Contributions:93 pushes, 4 branches, 2 tags in 7 months
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