Jeff Tung
Staff Software Engineer at Apple
San Jose, California, United States
Summary
🤩
Rockstar🎓
Top SchoolJeff Tung is a Staff Software Engineer based in San Jose with over two decades of experience and a long tenure at Apple spanning roles from software engineer to staff level. He combines deep systems and embedded expertise with practical IoT experience, contributing to the Matter/connectedhomeip project by implementing event subscription and payload processing in the Darwin framework. Comfortable operating across firmware, platform, and application layers, Jeff has a track record of shaping reliable, standards-driven connectivity features that improve device interoperability. His background includes early engineering roles at Oracle, IBM and Dialpad, and a Computer Science BA from UC Berkeley, reflecting both breadth and academic grounding. Colleagues rely on him for pragmatic technical leadership and low-level problem solving that bridges hardware constraints and user-facing functionality.
4 years of coding experience
19 years of employment as a software developer
Bachelor of Arts (B.A.), Computer Science, Bachelor of Arts (B.A.), Computer Science at University of California, Berkeley
Github Skills (14)
connect10
ip10
homeconnect10
matter-js10
microchip10
embedded10
iot10
c-language10
connected10
chips10
cprogramming-language10
system-on-chip10
sys10
objective-c9
Programming languages (3)
Github contributions (5)
project-chip/connectedhomeip
Apr 2022 - Jan 2023
Matter (formerly Project CHIP) creates more connections between more objects, simplifying development for manufacturers and increasing compatibility for consumers, guided by the Connectivity Standards Alliance.
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:783 reviews, 22 commits, 138 PRs in 9 months
Contributions summary:Jeff focused on contributing to the Darwin framework within the connectedhomeip repository, specifically adding methods to handle event reports and implementing event subscription. They added and updated header files and code to the framework, dealing with constants, constants headers for cluster, attribute, command, and event IDs, and processing and presenting the event payloads. The user also worked on the core file src/app/ReadClient.cpp, adding note of reporting data and processing the report data.
connectivity-standards-alliancebuild-with-matterguidedzephyrconnectivity
jtung-apple/connectedhomeip
Feb 2022 - Mar 2025
Matter (formerly Project CHIP) is creating more connections between more objects, simplifying development for manufacturers and increasing compatibility for consumers, guided by the Connectivity Standards Alliance (formerly Zigbee Alliance).
Contributions:717 pushes, 118 branches in 3 years 1 month
allianceconnectivityconnectivity-standards-alliancesimplifyingstandards
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