Kamil Cudnik

Gdańsk, Pomeranian Voivodeship, Poland

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Summary

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Kamil Cudnik is a pragmatic software engineer with 10+ years of experience building network management and switch software for large-scale environments, currently based in Gdańsk, Poland. He has deep C/C++ and systems expertise spanning SONiC, SAI, Redis-based control planes, Linux device drivers and both Windows and Linux tooling, and has contributed to prominent open-source projects used in cloud networking. At Microsoft he created SAI metadata generators and a virtual software switch that accelerates testing without physical hardware, demonstrating a knack for automation and practical developer tooling. His work often focuses on reliability and performance—improving logging, refactoring core components, and enabling better observability across distributed network services. Former roles in high-availability operations and embedded/automotive projects give him a rare blend of hands-on ops, low-level programming and cross-team collaboration. He’s known for attention to detail and introducing pragmatic solutions that make systems faster and easier to manage.

10 years of coding experience

16 years of employment as a software developer

A, IT, network engineer, A, IT, network engineer at Gdańsk University of Technology

Github Skills (19)

c-language10

sonic10

redis10

data-serialization10

abstraction10

abstraction-layer10

serialization10

logging10

abstract10

cprogramming-language10

unit-testing9

networking9

debugging7

debug7

api7

Programming languages (9)

C#TypeScriptC++ShellCMakefileJavaScriptHTML

Github contributions (5)

opencomputeproject/SAI

Feb 2016 - Sep 2022

Switch Abstraction Interface

Role in this project:

Backend Developer

Contributions:1 release, 679 reviews, 330 commits in 6 years 8 months

Contributions summary:Kamil contributed to the implementation of the Switch Abstraction Interface (SAI) for the Open Compute Project's "sai" repository, which involves defining a switch abstraction layer. Their work includes implementing and testing a Redis-based implementation for the SAI library, with functions for handling host interface communication and packet processing. The contributions involve defining new object types and APIs in `saitypes.h`, and updating the serialization and de-serialization. code in `sai_serialize.cpp`

switchabstraction

sonic-net/sonic-swss-common

Mar 2016 - Aug 2021

Common components for SONiC switch state service

Role in this project:

Back-end Developer

Contributions:145 reviews, 52 commits, 119 PRs in 5 years 5 months

Contributions summary:Kamil primarily contributed to the `sonic-swss-common` repository by adding and modifying logging functionality. They implemented a `ScopeLogger` class and converted log priorities, modifying `logger.cpp`, `logger.h`, and `redisreply.cpp` files. The user also worked on notification consumer and producer functionality by implementing new files with the common library and added unittests to test the same. These changes provide better debugging capabilities and support for inter-process communication.

common-componentsstate-managementsonicswitch

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