Tianchan Liu
Engineer
Summary
I am an Embedded Software Support Engineer with 4-year hand-on experience in Layer-2 networking and routing/switching, specializing in technical support, Issue Resolution, Cross-Team Debugging, Documentation, and Training.
My work experience is summarized as follows,
- Delivered end-to-end technical support for 100+ troubleshooting issues across 10+ vendors;
- Implemented features (VLAN/roaming/EasyMesh, IEEE 1905) using POSIX message queues and thread monitors on ARM/MIPS platforms;
- Handled triage, remote/cross-team debugging, patch release, Gerrit/Jenkins maintenance, and Jira tracking;
- Authored internal technical documentation for junior engineers training.
Overview
4
4
years of professional experience
5
5
years of post-secondary education
2
2
Languages
Work History
Embedded Software Engineer
Realtek Singapore Pte Ltd
Singapore
07.2022 - Current
EasyMesh Configuration Troubleshooting 2022.07 - Present
- Re‑orchestrated interface init flow to resolve false loop alarm caused by wired/wireless connection race condition.
- Registered message queue event for message queue congestion detection;
- Implemented event thread for topology change monitor and EasyMesh onboarding detection.
Roaming Optimization 2023.10 - Present
- Optimized path calculation logic to accommodate multiple topology models; cutting roaming latency by 60%.
- Designed bouncing-free mechanism via dual-threshold configuration to eliminate threshold-crossing flapping; Designed defer-decision mechanism requiring N consistent decisions before triggering action.
VLAN (802.1Q) Support 2025.09 - Present
- Supported RADIUS/802.1X authentication and 4-way handshake for AAA in 802.1Q Tag insertion/removal issues.
- Implemented ARP filtering to mitigate ARP cache poisoning inherent to bridge control and interface behaviors.
- Evaluated customer requests against specifications, preventing non-compliant requirements before development.
Custom Feature Development 2025.03 -Present
Integrated DFS with band steering based on customized steering policies via MAC ACL filtering and countdown.
Implemented private southbound API for client info collection between EasyMesh daemon and Linux Driver.
Education
Master of Science - Communications Engineering
Nanyang Technology University
Singapore 08.2021 - 07.2022
Bachelor of Engineering - Telecommunications Engineering
Xidian University
China 09.2017 - 06.2021
Skills
- Rapid troubleshooting
- Diagnose root cause
- Develop UML flowcharts
- Quality Control validation
- Quality Assurance
- IEEE 1905 protocol
- 80211 protocol
- WiFi driver
- message queue
- Linux command
- C programming
- Technical writing
- AP networking
- Troubleshooting Skills
- Embedded Firmware
- Case Support
- Implement Solutions
- Test Information Interpretation
- Debugging Skills
- Technical Presentations
- CI/CD tools
- JIRA
- Jenkins
- Gerrit
Languages
English
Upper intermediate (B2)
Chinese (Mandarin)
Bilingual or Proficient (C2)
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Affiliations
- Realtek Singapore Pte Ltd
Work Preference
Work Type
Full TimeLocation Preference
On-SiteRemoteHybridImportant To Me
Work-life balanceCareer advancementPaid sick leaveHealthcare benefits401k matchPaid time offPersonal development programsCompany CultureFlexible work hours4-day work weekWork from home optionStock Options / Equity / Profit SharingTeam Building / Company RetreatsSoftware
C programming
Interests
Swimming
Jogging
Timeline
Software Support Engineer
Realtek Singapore Pte Ltd
07.2022 - Current
Master of Science - Communications Engineering
Nanyang Technology University
08.2021 - 07.2022
Bachelor of Engineering - Telecommunications Engineering
Xidian University
09.2017 - 06.2021