Patrick Oppenlander
Senior Embedded Software Engineer at Relectrify
Melbourne, Victoria, Australia
Summary
🤩
Rockstar🎓
Top SchoolPatrick Oppenlander is a Senior Embedded Software Engineer based in Melbourne with 18 years of experience delivering high-performance embedded and real-time systems across automotive, industrial and IoT domains. He combines deep hardware-peripheral expertise—UART, DMA, SPI, USB, SD/MMC—with systems-level work such as porting RTOSes, reducing Linux boot time to ~1s, and implementing cryptographic/licensing architectures. He has led multidisciplinary teams at MoTeC, driving product architecture, code-review processes and cross-functional delivery while currently working on advanced battery systems at Relectrify. An active open-source contributor, Patrick has fixed low-level bugs and added features to notable projects like the Rust-based embassy embedded framework and the toybox utilities, demonstrating pragmatic systems debugging and API contributions. He’s comfortable spanning firmware, toolchains and backend security, and has a knack for squeezing performance and reliability from constrained devices.
18 years of coding experience
18 years of employment as a software developer
Bachelor of Computer Science and Electronic Engineering, Bachelor of Computer Science and Electronic Engineering at La Trobe University
Github Skills (25)
dma10
async10
firmware10
it-security10
c1110
security10
c1710
driver10
sys10
cryptography10
embedded10
hash-functions10
rust10
stm10
encryption10
Programming languages (9)
Github contributions (5)
landley/toybox
Jul 2018 - Oct 2020
toybox
Role in this project:
Embedded Systems Engineer
Embedded Systems EngineerContributions:7 commits in 2 years 3 months
Contributions summary:Patrick contributed to the toybox project by implementing new commands and modifying existing ones related to system utilities. Their work included adding the `blkdiscard` command, which interacts with block devices, and adjusting `hwclock` and `rtcwake` to correctly handle time zone configurations, particularly in relation to `/etc/adjtime`. Furthermore, they addressed a bug in `blkdiscard` to correct offset initialization, indicating a focus on low-level system interactions and utility development.
react
embassy-rs/embassy
Jan 2023 - Mar 2023
Modern embedded framework, using Rust and async.
Role in this project:Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:11 PRs, 10 comments, 2 issues in 1 month
Contributions summary:Patrick's contributions primarily focus on low-level embedded systems development within the `embassy-rs/embassy` repository. They have implemented stop bit configuration for the STM32 USART module, fixed an LPUART clock multiplier, and addressed issues related to DMA interrupts and SPI data corruption. Furthermore, the user added functionality to the `hal-common` crate by adding `push_bufs()` and `push_slices()` methods to the `atomic_ring_buffer`. These contributions demonstrate a strong understanding of hardware peripherals and embedded systems design.
driversrustembeddedhalasync
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