Jean-baptiste Rolland
Research Senior Software Developer at Steinberg Media Technologies
Hamburg, Germany
Summary
👤
Senior🎓
Top SchoolJean-baptiste Rolland is a Research Senior Software Developer and Technical Lead for AI & DSP at Steinberg in Hamburg, combining research-grade signal processing with practical software engineering for music AI, audio analysis, and restoration. With over a decade of continuous involvement at Steinberg and about four years of broader professional experience, he bridges algorithm research and production-ready implementations. He has hands-on embedded systems expertise, contributing meaningful fixes and new floating-point functions to the widely used ARM CMSIS-DSP libraries, including arm_correlate_f64 and Apple-compiler compatibility patches. His background in competitive French engineering schools and early internships across biometrics, Android, and computer vision give him a breadth that informs robust cross-platform solutions. Known for cleaning, refactoring and improving numerical reliability, he favors maintainable code that scales from Cortex-M microcontrollers to audio research prototypes.
4 years of coding experience
8 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Université de Caen NormandieClasse Préparatoire aux Grandes Écoles (French Preparatory School) Mathematics & Physics, Classe Préparatoire aux Grandes Écoles (French Preparatory School) Mathematics & Physics at Lycée Camille Guérin, PoitiersMaster's degree Computer Science, Master's degree Computer Science at ENSICAEN - Ecole Nationale Supérieure d'Ingénieurs de Caen
Github Skills (18)
float3210
dspic10
signal-processing10
cortex-m10
c1110
c1710
sys10
filter10
floating-point10
embedded10
filtering10
dspace10
fixed8
iot8
fixed-point8
Programming languages (2)
Github contributions (5)
ARM-software/CMSIS-DSP
Sep 2021 - Apr 2022
CMSIS-DSP embedded compute library for Cortex-M and Cortex-A
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:2 reviews, 10 commits, 6 comments in 6 months
Contributions summary:Jean-baptiste primarily focused on refactoring and cleaning up code within the CMSIS-DSP library, specifically targeting floating-point functions. They removed unnecessary Doxygen group definitions and fixed double initialization values in several mathematical functions, ensuring better code maintainability. Furthermore, the user added support for the Apple compiler by addressing old-style casts and fixing compilation issues, indicating a commitment to broader platform compatibility. They also implemented several functions such as `arm_correlate_f64` and others related to distance calculations and matrix operations.
cortexnumpygpucortex-afft
ARM-software/CMSIS_5
Sep 2021 - Apr 2022
CMSIS Version 5 Development Repository
Role in this project:Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:4 reviews, 10 commits, 12 PRs in 6 months
Contributions summary:Jean-baptiste primarily focused on implementing and modifying floating-point methods within the CMSIS-DSP library. Their contributions involved introducing new methods, such as `arm_correlate_f64`, and correcting initialization issues. The user also removed Doxygen groups and fixed several double initialization values across multiple functions related to statistics and distance calculations.
cortexcortex-artoscmsismicrocontroller
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