Yehoshua Wallach
Software Engineer at Guardicore
Jerusalem District, Israel
Summary
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Rockstar🎓
Top SchoolYehoshua Wallach is a software engineer with a decade of hands-on experience spanning kernel-mode C development, cybersecurity, and embedded systems. After five years in Unit 8200 and subsequent roles in cybersecurity, he now develops low-level Linux and Windows kernel code at Guardicore while maintaining a passion for IoT firmware—contributing improvements to the InfiniTime Pinetime smartwatch project. He combines a BSc in Computer Science with ongoing mathematics study at Hebrew University, enjoying deep technical dives and power-user fluency in open-source tooling like Linux. Comfortable optimizing bitwise sensor reads as well as refactoring utility scripts, he thrives at the intersection of security, systems programming, and mathematical problem solving.
10 years of coding experience
Bachelor's degree, Mathematics, Bachelor's degree, Mathematics at The Hebrew University of JerusalemBachelor's degree, Computer Science, Bachelor's degree, Computer Science at Lev Academic Center (JCT) (Jerusalem College of Technology )
English, Hebrew
Github Skills (10)
freertos10
c-language10
cprogramming-language10
sys10
nrf5210
cpp9
embedded9
bluetooth-low-energy8
smartwatch6
python6
Programming languages (13)
Github contributions (5)
InfiniTimeOrg/InfiniTime
Dec 2021 - May 2022
Firmware for Pinetime smartwatch written in C++ and based on FreeRTOS
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:34 reviews, 35 commits, 11 PRs in 5 months
Contributions summary:Yehoshua's contributions primarily involve modifying firmware for the Pinetime smartwatch. They focused on low-level sensor interaction, specifically with the Hrs3300 heart rate sensor, optimizing data structures and bitwise operations for reading sensor values. Additionally, the user worked on a font generation script, refactoring it to improve usability and fix minor bugs, as well as incorporating patch files.
nrf52cppfirmwarebazelpinetime-smartwatch
yehoshuapw/gentoo
Nov 2021 - Oct 2024
[MIRROR] Official Gentoo ebuild repository
Contributions:16 pushes, 10 branches in 2 years 11 months
ebuildgentoorevit-apiperl5thunderbird
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