Lucas Granberg
Development Manager at Smartel Electronics
Sipoo, Finland
Summary
🤩
Rockstar🎓
Top SchoolLucas Granberg is a Development Manager and seasoned full-stack engineer with 13 years’ experience building end-to-end IoT solutions, from sensor hardware and embedded firmware to front-end applications and cloud back-ends. Based in Sipoo, Finland, he leads development at Smartel Electronics on wastewater management systems while also contributing low-level fixes to prominent Rust embedded projects like embassy-rs, demonstrating hands-on hardware debugging (RNG/clock handling) for STM32WL platforms. Over the last year he has intentionally shifted toward Rust for its strengths in both embedded and backend domains and is currently developing a LoRaWAN stack in Rust. His background in big data analytics and a BE in Information Technology complements a pragmatic approach to system design that balances reliability, resource constraints, and operational observability.
13 years of coding experience
6 years of employment as a software developer
Bachelor of Engineering - BE, Information Technology, Bachelor of Engineering - BE, Information Technology at Arcada University of Applied Sciences
English, Swedish, Finnish
Github Skills (8)
embedded10
rust10
driver10
stm10
async10
hal9
abstraction-layer9
executor8
Programming languages (6)
Github contributions (5)
embassy-rs/embassy
Aug 2022 - Dec 2024
Modern embedded framework, using Rust and async.
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:5 reviews, 5 PRs, 10 comments in 2 years 4 months
Contributions summary:Lucas's contributions focused on the `embassy-rs` embedded framework, primarily addressing issues related to the random number generator (RNG) functionality. They implemented reset mechanisms to handle clock or seed errors, particularly for the STM32WL series. Further work involved adjusting the RNG configuration and toggling sequences to ensure correct operation on specific hardware configurations. These changes showcase direct interaction with hardware-specific features.
driversrustembeddedhalasync
lucasgranberg/embassy
Aug 2023 - Apr 2025
Modern embedded framework, using Rust and async.
Contributions:17 pushes in 1 year 7 months
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