Experience
- CPU Power Engineer at Qualcomm (2024 - Today).
Optimizing power consumption of latest-gen ARM custom CPU cores for Snapdragon mobile SoCs.
- Associate Software Engineer at Canonical (2023 - 2024).
Currently working with partners (NVIDIA, Intel) to optimize Ubuntu for their platforms. Developed automated benchmarking test infractructure, leading to optimized parameters for Ubuntu on Intel server platforms. Submitted Linux kernel patches, leading to 32% faster, up To 18% less energy for Intel Xeon Emerald Rapids. Also performed in-depth analysis of regressing test cases using Intel VTune profiler. Collected and analyzed data using Python and Jupyter notebooks.
- Software Developer at balena.io (2022 - 2023).
Developed an automated embedded Linux test framework called Autokit, using TypeScript. Prototyped automation equipment using OnShape CAD and 3D printers.
- Embedded Software Engineer at DeepX (2022).
Developed Linux-based mmWave radar solutions for property defense. Utilized Yocto and Rust for firmware development. Performed sensor integration and characterization.
- Undergraduate Researcher Embedded Systems Laboratory (Prof. Dr. Antônio Carlos Schneider Beck Filho) (2021 - 2022).
Trained and optimized neural networks for intrusion detection on SmartNICs. Utilized Xilinx Brevitas framework.
- Firmware and Hardware Developer at Beyond Domotics (2021).
Developed smart home devices using the ESP8266 platform and the C language, communicating using 802.15.4 and Wi-Fi. Also assisted in circuit board testing, assembly and debugging.
- Undergraduate Researcher at Embedded Systems Laboratory (Prof. Dr. Gabriel Nazar) (2020).
Developed fault injection software for criticality analysis of HLS code. Leveraged the LLVM compiler infrastructure to instrument reference implementations of numerous algorithms.
- Undergraduate Researcher at CTA (2019).
Developed hardware, firmware and visualization code for SADAPMAP at the High Pressure and Advanced Materials Laboratory of the Physics Institute.
Education
- Computer Engineering at Universidade Federal do Rio Grande do Sul (2020 - 2024).
Undergraduate thesis: Topology-Aware Task Scheduling For Heterogeneous Architectures
GPA: 3.7/4.0
- Electrical Engineering at Universidade Federal do Rio Grande do Sul (2019).
Interrupted.
- Electronics Technician at Fundação Liberato (2014 - 2018).
Electronics Technician curriculum studied alongside traditional high school. Completed 6 months internship at Versul Tecnologia de Acesso. Participated in two science fairs, winning international prizes outlined below.
- Foregin Languages
TOEFL iBT English Proficiency Test - 109/120 score (CEFR C1 equivalent) (2020-2022)
Cambridge English: First (FCE) - CEFR B2 Level
Test de connaissance du français (TCF) - Niveau CEFR B2 (2021-2023)
Projects
- Fault Injection Framework for LegUp - available on GitHub. Made using C++ and the LLVM compiler infrastructure. Led to the publication of two papers.
- Sistema Aberto de Coleta Automática de Dados (SACADA) - data acquisition platform designed for high-pressure physics experiments - available on private Gitlab. Utilized KiCad, STM32, C and Python.
★ OSHWA Certified
Publications
- Lightweight Dual Modular Redundancy through Approximate Computing. GL Nazar, PH Kopper, MT Leipnitz, B Juurlink.
2021 XI Brazilian Symposium on Computing Systems Engineering (SBESC), 1-8. DOI: 10.1109/SBESC53686.2021.9628356
★ IFIP Best Paper Award
- A Framework for Assessing Intrinsic Fault Resiliency of HLS Designs. PHC Kopper, GL Nazar.
IEEE CASS Rio Grande do Sul Workshop 2021. Poster/video presentation
- PReCEP: Automatic insertion of Partial Redundancy based on Critical Error Probability.
GL Nazar, PHC Kopper, MT Leipnitz, B Juurlink.
Microelectronics Reliability 126, 114226. DOI: 10.1016/j.microrel.2021.114226
32nd European Symposium on Reliability of Electron Devices, Failure Physics and Analysis, ESREF 2021
- Autonomous Quadcopter-Based Indoor Mapping System. PH Kopper.
Intel International Science and Engineering Fair (2018). Project ROBO028
★ NASA Honorable Mention
FEBRACE USP/LSI (2018). Anais FEBRACE (p. 350)
★ First place in Engineering
- Autonomous landing system using vision recognition. PH Kopper.
China Adolescents Science and Technology Innovation Contest (2017).
★ Second place in Engineering (Intl. Project)
In the news
- Tiny Linux Patch Up To 32% Faster, Up To 18% Less Energy For Intel Xeon Emerald Rapids. Phoronix Media
Misc
- Amateur radio operator under the callsign PY3PK
- Avid homelabbing enthusiast