Jim Mussared
Director at Camperdown Child Care Centre
Sydney, New South Wales, Australia
Summary
🤩
Rockstar🎓
Top School
Top expert inEmbedded Systems and Firmware Engineering
Jim Mussared is a Director and embedded systems engineer with 11 years of experience building resilient software and hardware integrations, now based in Sydney. He has deep expertise in MicroPython and Bluetooth Low Energy, contributing significant BLE enhancements across high-profile open-source projects including MicroPython and CircuitPython. His background spans site reliability and software engineering roles at Google, education-focused engineering at Grok Learning, and hands-on maker leadership founding a community makerspace. Jim combines low-level systems work—porting stdlib modules and refining BLE stacks—with practical product delivery and community stewardship, and he recently applied those skills to robotics maintenance and running a volunteer childcare board. Notably, he blends production-grade SRE experience with hobbyist-maker fluency, making him adept at shipping robust solutions in constrained embedded environments.
11 years of coding experience
17 years of employment as a software developer
Computer Science, Computer Science at The University of Western AustraliaThe University of Sydney
Stackoverflow
11reputation
359reached
1answer
0questions
Github Skills (22)
debugging10
debug10
python10
bluetooth-le10
asyncio10
btle10
sys10
micropython10
bluetooth10
embedded10
bluetooth-low-energy10
porting9
c119
computer-engineering9
system-integration9
Programming languages (14)
Github contributions (5)
micropython/micropython-lib
Mar 2020 - Jan 2023
Core Python libraries ported to MicroPython
Role in this project:
Back-end & Embedded Systems Engineer
Back-end & Embedded Systems EngineerContributions:31 reviews, 71 commits, 83 PRs in 2 years 10 months
Contributions summary:Jim primarily contributed to porting and adapting Python libraries to the MicroPython environment, specifically targeting embedded systems. Their work involved refactoring and reorganizing existing Python standard library modules such as `os` and `cgi`, integrating them with the MicroPython core. Furthermore, they added asyncio-based wrappers for Bluetooth functionalities and built a test suite covering features like characteristic writes and notifications, ensuring stability and functionality within the MicroPython ecosystem. This demonstrates a focus on low-level system integration and porting libraries to a constrained environment.
pythonpython-librariesmicropythonesp32
micropython/micropython
Jan 2018 - Dec 2022
MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems
Role in this project:Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:401 reviews, 537 commits, 372 PRs in 5 years
Contributions summary:Jim contributed to the MicroPython project by adding features and addressing issues related to Bluetooth Low Energy (BLE) capabilities. Their work included enhancements to the BLE stack, enabling the device to handle connection updates, setting up and managing the communication with L2CAP channels, supporting for the use of existing pins on the microcontroller as part of the projects hardware configuration and by adding the facility to exchange MTU (Maximum Transmission Unit). This effort reflects a focus on improving the overall Bluetooth connectivity and functionality within the MicroPython environment.
pythonpython-implementationmicrocontrollerconstrainedembedded
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