Curriculum Vitae

👤 Personal Information

Name: Fashaun
Contact Information:

• 📧 Email: fashionshow0415@gmail.com
• 💼 LinkedIn: linkedin.com/in/shaun-lin-b6b043103
• 🐦 Bluesky: @fashaun.bsky.social
• 💬 Telegram: @fashaun
• 🌐 Digital Garden: fashaun-dev-world.vercel.app

🎯 Professional Summary

Senior Software Engineer specializing in embedded systems development, network architecture design, and cloud infrastructure. Extensive hands-on experience in telecommunications equipment, wireless LAN controllers, and Zero Trust Network Architecture. Proficient in full-stack technology development from hardware driver level to cloud deployment.

💼 Professional Experience

Moxa Inc.

Duration: 2017 - Present
Position: Software Engineer → Software Team Lead
Main Product Lines: MRC (Moxa Remote Connect) Services, OnCell Series Industrial Cellular Routers

Key Projects & Achievements:

🌐 MRC Remote Access Services (2017-2024)

• MRC BYOD (2017-2018): Designed and implemented enterprise-grade remote access solutions supporting MQTT, OpenVPN protocols
• MRC Quick Link SaaS (2020): Successfully deployed cloud-based services integrating AWS and Azure cloud infrastructure
• MRC Quick Link Ultra (2023-2024): Introduced Infrastructure as Code (IaC) technologies including Terraform and Pulumi to enhance system scalability

📡 OnCell Product Line Development (2020-2024)

• OnCell G4302 (2023): Developed 4G cellular router based on NXP i.MX8 platform
• OnCell G5708 (2023): Resolved SERDES performance issues, improving system stability
• OnCell 5G Series: Integrated 5G modules including Quectel RM520N and Sierra WP76

🔧 Technical Leadership Responsibilities

• Led software integration working groups, established C4 model architecture discussion framework
• Developed SCATS communication protocol with capability to design protocols from scratch
• Established automated testing frameworks to enhance product quality control

4ipnet Inc. (Edge-core Networks)

Duration: 2012 - 2016
Position: Software Engineer
Project: Hotel Guest WiFi Hotspot Solution

Key Responsibilities & Achievements:

• Designed and implemented Wireless LAN Controller (WLAN Controller) systems
• Developed Complete Tunnel and Split Tunnel solutions based on CAPWAP protocol
• Implemented AAA (Authentication, Authorization, Accounting) security architecture
• Designed Service Zone virtual partitioning system for flexible network management
• Optimized cloud controller architecture to enhance system scalability and reliability

Technical Highlights:

• Deep understanding of network tunneling technologies and VPN Split Tunneling
• Proficient in DPDK and SR-IOV high-performance networking technologies
• Experience in large-scale wireless network deployment and management

🚀 Technical Expertise

Cloud Architecture & Infrastructure

• Cloud Platforms: AWS, Microsoft Azure
• Infrastructure as Code: Terraform, Pulumi
• Containerization: Docker, Podman
• Virtualization: Vagrant, QEMU

Network Security & Communications

• VPN Technologies: OpenVPN, WireGuard
• Zero Trust Architecture: Zero Trust Network Access (ZTNA)
• Communication Protocols: MQTT, CAPWAP
• Network Management: Split Tunnel, Complete Tunnel

Embedded Systems Development

• Processor Platforms: AM3352, NXP i.MX8
• Development Tools: Buildroot, Cross-compilation
• System Security: TPM, Secure Boot, Dual Image System
• Power Management: Power Management Systems

Cellular Network Technology

• WWAN Modules: LE910C1/C4, WP76, MC7304/54, Ublox L201/L210/L220, Quectel RM520N
• Network Tools: qmicli, ModemManager
• Test Equipment: CMW500, Amarisoft
• Protocol Standards: AT Commands, Driver Development

Product Line Development Experience

• OnCell Series: OnCell 3120, G4302, G4308, 5G
• Feature Development: Serial Communication, Power Management, SMS Functionality
• System Integration: RED System Integration

Robotics & Automation

• ROS (Robot Operating System): ROS-MX Concept Design
• Drone Technology: Drone System Development and Integration
• FPGA Development: Hardware Acceleration and Real-time Systems

🛠️ Development Tools & Environment

Programming Languages

• C/C++: Embedded systems development, driver development
• Go (Golang): Backend service development, cloud infrastructure
• Python: Automation scripts, data processing, testing frameworks
• Bash/Shell: System administration, deployment automation

Development Environment & Tools

• Version Control: Git, GitLab CI/CD
• Operating Systems: Linux (Embedded), macOS
• Debugging Tools: QEMU, Hardware Debuggers, GDB
• Documentation Management: Obsidian Digital Garden, Markdown
• Deployment Platforms: Vercel, AWS, Azure

📈 Professional Development

Competitive Analysis & Product Strategy

• Competitive technology analysis
• Product line analysis and strategic planning
• Team building and technical leadership

Quality Assurance

• System quality enhancement
• Automated testing environment setup
• Performance optimization and system tuning

🎓 Professional Philosophy

Committed to integrating modern network security concepts such as Secure Remote Access and Zero Trust Network Architecture into product development. Believe that technological innovation should be user-centric while maintaining system scalability, security, and maintainability.

🎓 Education

National Cheng Kung University
Department of Computer and Communication Engineering

Tamkang University
Department of Information Engineering

🌐 Language Skills

• Chinese: Native Speaker
• English: Business Proficiency
• Japanese: Basic Conversational

📚 Continuous Learning

Actively participating in open-source communities, maintaining a personal technical blog (Digital Garden), sharing practical experience and best practices in embedded systems, network architecture, and cloud technologies.

Last Updated: 2025
This CV is maintained in Obsidian Digital Garden format