Jeffrey Lim
Staff R&D Firmware Engineer at JDSU
Singapore
Summary
👤
Senior🎓
Top SchoolJeffrey Lim is a Staff R&D Firmware Engineer based in Singapore with 18 years of engineering experience and a decade focused on firmware for high-volume multinational products. He has led large firmware teams and projects—from consumer inkjet printers to 16 Gb optical transceivers used by customers like Cisco and Google—delivering time-critical MCU code on ARM/8051 platforms and establishing SDLC and in-house qualification processes. Technically fluent in embedded C/C++, ThreadX, SMBus/SPI, and real-time interrupt design, he also bridges hardware, mechanical and vendor teams to drive stable releases. A top-rated performer with an M.Sc. in Biomedical Engineering, he complements his embedded expertise with back-end and DevOps contributions to notable open-source projects such as SaltStack and the Azure Go SDK, where he improved tooling and storage client reliability. Notably, his background blends hands-on board bring-up and servo/motion control with scalable process design, making him effective across both low-level firmware and team/ lifecycle leadership.
18 years of coding experience
7 years of employment as a software developer
Master of Science (M.Sc.), Biomedical/Medical Engineering, Master of Science (M.Sc.), Biomedical/Medical Engineering at Nanyang Technological UniversitySecondary school, Secondary school at Foon Yew High School
English, Chinese
Github Skills (25)
python10
azure-sdk10
testing10
configuration-management10
command-line-interface10
microsoft-azure10
automation10
infrastructure10
go10
saltstack10
command-line10
infrastructure-as-code10
azure10
automations10
remote-execution10
Programming languages (28)
Github contributions (5)
saltstack/salt
May 2016 - Oct 2017
Software to automate the management and configuration of infrastructure and applications at scale.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:47 commits, 24 PRs, 85 comments in 1 year 5 months
Contributions summary:Jeffrey primarily contributed to the SaltStack project by addressing bug fixes and implementing enhancements to core functionality within the project. Their work involved modifications to existing modules and states, specifically improving file handling utilities and command execution options. A significant portion of their contributions focused on improving the usability and functionality of the `cmd.run` command, by adding the `prepend_path` option.
pythonzeromqevent-streaminfrastructure-managementcloud-providers
Azure/azure-sdk-for-go
Jan 2015 - Feb 2015
This repository is for active development of the Azure SDK for Go. For consumers of the SDK we recommend visiting our public developer docs at:
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 commits, 8 PRs, 32 comments in 13 days
Contributions summary:Jeffrey primarily contributed to the storage client within the Azure SDK for Go. Their work involved fixing bugs in testing, refactoring code for clarity and efficiency, and adapting the code to use helper functions. They also modified the blob-related code by reordering struct definitions, which improved readability and maintainability. Furthermore, this user demonstrated familiarity with the Azure storage client and its interaction with the storage service.
golangsdkconsumersazure-sdkrest
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