Tan Eng
Senior Principal Engineer at ST Engineering
Singapore
Summary
👤
Senior🎓
Top SchoolTan Eng is a Senior Principal Engineer based in Singapore with 12 years of experience specializing in systems software, firmware, computer networks, and operating systems. He has progressed from hands-on firmware and driver development to system architecture and technical leadership, translating customer requirements into robust product designs and mentoring engineering teams. His open-source contributions include low-level improvements to a widely used privilege daemon (superuser), demonstrating expertise in PTY handling, terminal signals, and secure I/O paths. Comfortable bridging hardware-facing concerns (including exposure to circuit and programmable logic design) with high-level system architecture, he excels at delivering production-ready, security-conscious solutions. Colleagues know him for pragmatic problem solving and a habit of refactoring complex subsystems into cleaner, reusable modules.
12 years of coding experience
14 years of employment as a software developer
STPM, Science, STPM, Science at SMK Methodist ACS, SitiawanBachelor of Computing (Hons), Computer Engineering, Bachelor of Computing (Hons), Computer Engineering at National University of Singapore
English, Malay
Github Skills (9)
c1710
terminal-ui10
linux10
signal-handling10
c1110
terminal-application10
system-programming10
terminal-app10
terminal-gui10
Programming languages (2)
Github contributions (5)
koush/Superuser
Aug 2013 - Sep 2013
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits in 9 days
Contributions summary:Tan primarily focused on improving the `superuser` daemon, which handles elevated privileges. They refactored terminal handling, introduced SIGWINCH signal handling, and implemented raw mode for terminal input. Key changes included modifications to the daemon's interaction with pseudo-terminals and standard I/O streams, including code related to opening and managing PTYs, signal handling, and terminal resizing. The user also refactored PTY-related code into a separate module.
tan-ce/sup
Mar 2016 - May 2022
Contributions:2 pushes, 1 branch in 6 years 2 months
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