Tomasz Kłak
Senior Low-Level Engineer at Nord Security
Wroclaw Metropolitan Area Poland
Summary
👤
Senior🎓
Top SchoolTomasz Kłak is a Senior Low-Level Engineer based in Wrocław with 14 years of experience building high-performance systems in C++, Rust and embedded/telecom domains. He currently focuses on low-level engineering at Nord Security and has driven core backend and protocol work—from 5G core development in Rust to dispatcher services at Deliveroo and smart order routing in finance. An active open-source contributor, he enhanced testcontainers-rs to support customizable container entrypoints and added tests to ensure robust integration testing. Known for introducing TDD and unit testing practices across multinational teams, he blends hands-on implementation with mentorship and code-quality advocacy. Colleagues rely on him for pragmatic system design and for turning complex low-level requirements into testable, maintainable code.
14 years of coding experience
8 years of employment as a software developer
University of Wroclaw
English, German, Russian, Japanese
Stackoverflow
2,021reputation
196kreached
68answers
0questions
Github Skills (11)
docker10
rust10
test-container10
dockers10
integration-testing10
testing10
syntax6
go6
google-app-engine6
default-value6
constructor6
Programming languages (12)
Github contributions (5)
testcontainers/testcontainers-rs
Jun 2020 - Jun 2020
A library for integration-testing against docker containers from within Rust.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:7 commits, 1 PR, 6 comments in 20 days
Contributions summary:Tomasz primarily focused on enhancing the `testcontainers-rs` library by implementing functionality related to container entrypoints. They added features to customize image entrypoints, including modifying existing code and incorporating new types. This involved changes to core image definitions and client code, demonstrating their ability to interact with container configurations and testing frameworks. Furthermore, the user added tests to validate the entrypoint functionality, solidifying the feature's integration.
containersrusttestingdockerdocker-containers
tumdum/gotracker
Jun 2013 - Feb 2015
Contributions:27 commits, 3 pushes in 1 year 7 months
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