Summary
Overview
Work History
Education
Skills
Additional Information
Timeline
SoftwareEngineer

Chia Yi Tseng

Firmware Engineer/Software Engineer
Hsinchu

Summary

Software & System Application Engineer with 3.5 years of experience in embedded firmware and software development for access control and smart lock systems. Specialized in end-to-end product development, validation, DevOps, and SDK delivery, with hands-on experience in Jenkins CI/CD, Python, C/C++, and Linux-based environments. Strong expertise in algorithm validation and system performance optimization. Demonstrated ability to collaborate across teams and support customers, driving improvements in product reliability and development efficiency.

Overview

3
3
years of professional experience
3
3
Languages

Work History

System Application Engineer

Himax Technologies
07.2022 - Current

Professional Experience
Biometric Firmware & System Development
Developed custom biometric firmware (palm vein / face recognition) deployed in customer projects and mass production
Designed complete enroll / verify workflows, improving system stability and recognition reliability
Delivered end-to-end solutions (Firmware + Host Tool) for access control and laptop applications

System Integration & Performance Optimization
Integrated image sensors (IR / ToF) into biometric systems and tuned AE/image quality parameters
Performed data-driven optimization to improve recognition accuracy and system performance
Established validation flows aligned with real-world scenarios and Microsoft specifications

Host Tool & Communication Development
Developed custom host tools (Python / CLI / GUI) supporting UART, SPI, and I2C
Enabled batch enrollment & verification automation, significantly improving testing efficiency
Enhanced debugging capability for faster issue identification and resolution

DevOps & Automation
Built Jenkins CI/CD pipelines integrating build, test, and deployment workflows
Developed automated test frameworks (scripts + tools), enabling early issue detection
Reduced manual testing effort by ~70% and shortened regression cycles

Customer Collaboration & SDK Delivery
Delivered customized SDKs (Firmware + Host API) for client integration
Developed demo tools to accelerate customer onboarding and product validation
Collaborated with clients to debug issues and accelerate product deployment

QA, Testing & Reliability Engineering
Designed test fixtures (Raspberry Pi-based) and automated validation workflows
Implemented power cycle, communication, and functional testing flows
Supported reliability and stress testing to ensure mass production readiness

Documentation & Technical Communication
Authored SDK guides, protocol specifications, test reports, and release notes
Improved cross-team communication across Firmware / Algorithm / QA / Clients

Key Impact
Delivered biometric firmware used in real customer production projects
Reduced testing workload by ~70% through automation
Built scalable system supporting large-scale enrollment & verification flows
Enabled multi-domain applications (Access Control / Laptop / Automotive Demo)

Test Engineer

TP-Link Taiwan R&D Co., Ltd.
10.2021 - 02.2022

Key Contributions & Achievements:

Participated in the cloud server platform testing project, collaborating with both headquarters and local teams to verify functionality and platform stability to ensure product quality.

Cloud Server Testing (Software)

  • Executed console commands (DevTools, device consoles), analyzed error logs, and worked with R&D teams to fix bugs, reducing troubleshooting time.

Test Automation

  • Developed a local HTTP server using Python Flask, simulating cloud API test environments to enhance testing efficiency.
  • Packet Analysis & Verification: Created test packets and conducted network protocol analysis, ensuring compatibility between cloud platforms and router devices.

Linux Environment Operations

  • Used Linux commands to configure testing environments and conduct log analysis, improving system monitoring and error diagnostics.

Hardware Testing (Router Products)

  • Conducted tests on Wi-Fi signal strength, connection stability, and firmware upgrades, ensuring compliance with market standards.

Test Case Development

  • Designed Function Tests & Usability Tests, ensuring 95%+ test coverage.

Cross-Team Collaboration

  • Worked with headquarters and local R&D teams to discuss test results, track bugs, and provide technical suggestions for optimizations.

Education

Master of Science - Graduate Institute of Network Learning Technology

National Central University
Taoyuan City, Taiwan
04.2001 -

Skills

C

C

Python3

QT Designer

Linux

Jenkins CI/CD Integration

Notion

Additional Information

Journal Publication

  • Interactive Learning Environments (Research Article):An Investigation of Personalized Entertaining Three-Tier Tests: A Prior Knowledge Perspective

Timeline

System Application Engineer

Himax Technologies
07.2022 - Current

Test Engineer

TP-Link Taiwan R&D Co., Ltd.
10.2021 - 02.2022

Master of Science - Graduate Institute of Network Learning Technology

National Central University
04.2001 -
Chia Yi TsengFirmware Engineer/Software Engineer