Jimmy Wennlund
Senior Firmware Engineer at Tibber
Stockholm, Stockholm County, Sweden
Summary
👤
Senior🎓
Top SchoolJimmy Wennlund is a Senior Firmware Engineer based in Stockholm with 20 years of hands-on experience building scalable web services, embedded systems, and firmware across C/C++, Go, and Python. He has progressed from entrepreneur and full-stack developer to engineering manager and staff-level roles, currently focusing on firmware at Tibber after leading engineering teams at Soundtrack Your Brand. Jimmy’s background includes architecting offline capabilities for Spotify Connect and shipping embedded software that enabled third-party integration, demonstrating a strong bridge between cloud services and low-level device code. He is an avid open-source contributor and enjoys low-level hardware programming and electronics, bringing that curiosity to production systems and team leadership. Known for blending practical engineering with strategic thinking, he repeatedly moves between hands-on development and technical leadership to deliver reliable, scalable products. Beyond titles, he pairs deep systems knowledge with a long-term commitment to craftsmanship and open collaboration.
20 years of coding experience
16 years of employment as a software developer
Unfinished, Systems architecture, Unfinished, Systems architecture at Uppsala University
English, Swedish
Github Skills (120)
tuya10
python10
firmware10
esp3210
home-assistant10
tasmota10
yaml10
platformio10
iot10
esphome10
esp826610
3d-printing10
arduino10
espressif9
mqtt9
Programming languages (13)
Github contributions (5)
jimmyw/esp-idf-ppp-server
Jan 2023 - Apr 2024
Example using a ppp server to connect two esp32 with a serial connection.
Contributions:5 reviews, 5 PRs, 37 pushes in 1 year 2 months
jimmyw/Marlin
Apr 2018 - Aug 2023
Optimized firmware for RepRap 3D printers based on the Arduino platform.
Contributions:7 pushes, 10 branches in 5 years 4 months
firmwarereprap3d-printeratmelarduino
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