Mateusz Baran
Principal Test Architect at Nokia
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolMateusz Baran is a Principal Test Architect with 19 years in telecom engineering, currently leading test strategy and 5G feature verification at Nokia from Krakow. He combines hands-on NPI engineering and project management experience—having run trials, pilots and customer-dedicated test lines for major MNOs like T-Mobile US, Bell Canada and China Mobile—with two years in a principal role mentoring teams and shaping release planning. Mateusz has repeatedly been selected to deliver high-profile Mobile World Congress demos, reflecting both technical depth in small cells and millimeter-wave systems and the ability to translate complex features into compelling customer-facing showcases. He also contributes performance-focused backend work to open-source projects such as StaticArrays.jl, bringing algorithmic optimization experience to his testing and verification toolbox. Pragmatic and customer-centric, he excels at aligning engineering strategy, resource planning and real-world deployment constraints to de-risk large-scale 4G/5G rollouts.
19 years of coding experience
9 years of employment as a software developer
II Liceum Ogólnokształcące im. Marii Konopnickiej w ZamościuAGH University
Polish, English
Github Skills (8)
algorithm10
data-structures10
algorithms10
performance-optimization10
static-array10
linear-algebra10
data-structure10
julia10
Programming languages (6)
Github contributions (5)
JuliaArrays/StaticArrays.jl
Jul 2019 - Dec 2022
Statically sized arrays for Julia
Role in this project:
Back-end Developer
Back-end DeveloperContributions:204 reviews, 55 commits, 181 PRs in 3 years 6 months
Contributions summary:Mateusz primarily focused on optimizing and enhancing the `staticarrays.jl` library, which is designed for statically sized arrays in Julia. Their contributions included implementing faster reduction functions, fixing broadcasting for tuples, and improving matrix multiplication. Additionally, the user added support for generalized eigenvalues and addressed issues related to views and constructors, improving the library's overall performance and usability.
julia
JuliaManifolds/Manifolds.jl
Jun 2019 - Jan 2023
Manifolds.jl provides a library of manifolds aiming for an easy-to-use and fast implementation.
Contributions:925 reviews, 832 commits, 454 PRs in 3 years 8 months
manifoldsaimingjulia
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