Krzysztof Skrzętnicki
Software Engineer at Teleport
Poland
Summary
🤩
Rockstar🎓
Top SchoolKrzysztof Skrzętnicki is a seasoned software engineer with 15 years of experience building backend systems across finance, telecoms, healthcare, and cloud infrastructure. He currently contributes to Teleport, improving secure infrastructure access and notably enhanced its MongoDB integration and Reconciler logic. Earlier roles at Credit Suisse involved developing core risk engine components and XVA trading desk applications in C#, .NET and functional F#, demonstrating strong domain knowledge in quantitative systems. He also has low-level C++ control-plane experience from NSN and has contributed backend gameplay and Android-permissions fixes to the popular open-source game Mindustry. Comfortable across languages and architectures, he blends pragmatic production fixes with thoughtful test coverage and performance-aware changes. Based in Poland, he pairs deep engineering craftsmanship with a track record of improving critical systems in both enterprise and open-source projects.
15 years of coding experience
11 years of employment as a software developer
Informatyka, Informatyka at Uniwersytet Wrocławski
Polish, English
Stackoverflow
5,279reputation
76kreached
20answers
19questions
Github Skills (27)
gameplay10
database-administration10
videogames10
java10
mongodb-database10
android-developer10
javas10
go10
android10
android-developers10
rt10
golang10
teleport10
mongodb10
multiplatform8
Programming languages (10)
Github contributions (5)
gravitational/teleport
Jan 2022 - Jan 2023
The easiest, and most secure way to access and protect all of your infrastructure.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1702 reviews, 176 commits, 654 PRs in 1 year
Contributions summary:Krzysztof primarily focused on enhancing the Teleport's MongoDB integration, contributing to a significant upgrade by switching to the `mongosh` client when connecting to MongoDB. The user introduced changes in database connection setup, added tests, and adjusted the application's logic for handling different database types. Further contributions included addressing complexity issues in the Reconciler service and enhancing the display of database users in the `tsh db ls` command.
pamsshrdpjumpserversecure
Anuken/Mindustry
Dec 2017 - Jan 2018
The automation tower defense RTS
Role in this project:Backend Developer
Backend DeveloperContributions:7 commits, 4 PRs, 6 comments in 3 days
Contributions summary:Krzysztof primarily contributed to the game's backend logic, focusing on production and crafting mechanics. They implemented resource queues and limits for crafters, adjusted update timers to improve performance, and fixed issues related to resource reporting. The user's work involved modifying and enhancing the game's core gameplay features within the Java codebase. Furthermore, the user made a change to request for dynamic file write permissions on Android app launch.
tower-defensegamertssandbox-gameandroid
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