Kari Haapalehto
Staff Application Engineer
Oulu, Mainland Finland
Summary
👤
Senior🎓
Top SchoolKari Haapalehto is a seasoned embedded and systems engineer with nearly three decades of hands-on experience across mobile, automotive, medical, and IoT domains, currently serving as Staff Application Engineer at Alif Semiconductor. He has deep expertise in low-level software, hardware bring‑ups, drivers and kernel/framework debugging, demonstrated at companies like ARM (contributing to the widely used mbed‑os), Microsoft, Nokia and Elektrobit. Kari excels at integration, performance optimization and root‑cause analysis—skills that have repeatedly taken him into customer sites and overseas assignments. Comfortable in agile/CI environments, he pairs C/C++ and embedded Linux know‑how with toolchain experience (Jenkins, Gerrit, Lauterbach) to ship reliable platform software. Colleagues know him for solving obscure HW/firmware interaction issues and for adapting quickly to new platforms and teams.
9 years of coding experience
12 years of employment as a software developer
BSC Computer Science, BSC Computer Science at Raahe's institute of computer engineering
Github Skills (12)
mbed10
iot10
embedded10
c-language10
mbedtls10
stm10
cprogramming-language10
sys10
iot-devkit10
wifi10
networking9
driver9
Programming languages (3)
Github contributions (5)
ARMmbed/mbed-os
Jun 2017 - May 2019
Arm Mbed OS is a platform operating system designed for the internet of things
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:63 commits, 37 PRs, 84 comments in 1 year 10 months
Contributions summary:Kari primarily contributes to the embedded operating system, Arm Mbed OS, by fixing compiler warnings, adding and updating drivers for various hardware platforms, and correcting networking functionalities. They focused on addressing data alignment issues within the STM32F4 hash write functionality and integrating binary drivers for multiple Wi-Fi modules. Moreover, the user made corrections to the mesh network and ethernet connection status callbacks.
kernelmbed-osoperating-systemlinuxmbed
KariHaapalehto/mbed-os
Jun 2018 - May 2019
ARM Mbed OS is a platform operating system designed for the internet of things
Contributions:30 PRs, 30 pushes, 47 branches in 11 months
kernelmbed-osoperating-systemlinuxmbed
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