CV
YUN HSIN, LIU
Cybersecurity & AI Specialist | Web Developer | Military IT Professional
📧 joy9517538246@gmail.com | 📱 +886-97873125 | 🔗 LinkedIn
🌐 Love Drink Cafe X Coffee Programming
PROFESSIONAL SUMMARY
Results-driven Cybersecurity and AI Specialist with military precision and technical expertise in system maintenance, web development, and emerging AI technologies. Experienced in maintaining mission-critical systems with 99.9% uptime and implementing robust security protocols. Combines practical IT infrastructure knowledge with cutting-edge AI capabilities in NLP and LLM fine-tuning.
CORE COMPETENCIES
| Cybersecurity & Infrastructure | AI & Development | Web & Cloud Technologies |
|---|---|---|
| ✓ System Security & Incident Handling | ✓ NLP & LLM Fine-tuning | ✓ Django & ASP.NET MVC |
| ✓ Network Infrastructure (CCNA) | ✓ Python Data Processing | ✓ Full-stack Development |
| ✓ Checkpoint Firewall Management | ✓ HuggingFace Models | ✓ VMware Virtualization |
| ✓ Penetration Testing | ✓ Neural Networks | ✓ NetApp Storage Solutions |
| ✓ Incident Response (ECIH) | ✓ Multimodal LLM | ✓ F5 Load Balancing |
PROFESSIONAL EXPERIENCE
Web Developer and Maintenance Specialist
Republic of China Air Force (ROCAF) | Jan 2023 - Present
- Maintain mission-critical systems with 99.9% uptime for 20+ systems
- Implemented SDLC best practices resulting in 30% improvement in development efficiency
- Participated in the development of 20+ web systems
- Enhanced system security protocols through vulnerability assessment and penetration testing
Junior Information Center Support Specialist
Republic of China Air Force (ROCAF) | Jul 2022 - Dec 2022
- Managed enterprise data center operations supporting 30,000+ military personnel
- Supported deployment of critical infrastructure (NetApp, Checkpoint, F5)
- Achieved 99.5% system availability through proactive monitoring
EDUCATION
M.S. in Cybersecurity Management
National Yang Ming Chiao Tung University | 2026 (expected)
- Design and Implementation of a Tool-augmented AI Framework for Enterprise Applications
B.S. in Information Management
Management College, National Defense University | 2021
- Class Rank: Graduated 1st in class (Valedictorian)
- Academic Achievement: 87.55/100 score
- Transcript
TECHNICAL EXPERTISE
AI & Machine Learning
- Neural Network Architecture Design & implementation using PyTorch
- Natural Language Processing with transformer models and BERT-based architectures
- Large Language Model fine-tuning using parameter-efficient methods (LoRA, QLoRA)
- Multimodal AI systems integrating text, image, and structured data inputs
Cybersecurity & Infrastructure
- Network Security Architecture design and implementation (CCNA-level)
- Incident Response workflows and forensic analysis (ECIH-certified)
- System Vulnerability Assessment using industry-standard tools
- Enterprise Storage Solutions (NetApp) and load balancing (F5)
Web Development
- Full-stack Development with Django and ASP.NET MVC frameworks
- Database Design & Optimization for MySQL, SQL Server, and Oracle
- RESTful API development and integration
- Version Control Systems (Git) and CI/CD pipelines
KEY PROJECTS
Personal WordPress Website Creator and Maintainer
Love Drink Cafe X Coffee Programming | Feb 2020 - Present
- Research and implement SEO, WordPress development, affiliate marketing, and content marketing techniques
- Share coffee knowledge and personal programming learning experiences
ALCPT: Exam Platform for American Language Course Placement Test
i-MaxYuan/ALCPT | Jul 2020 - Jul 2021
- Developed comprehensive English assessment platform testing Grammar, Vocabulary, Listening, and Reading
- Implemented full-stack solution using Python, Django, and MySQL
- Designed scalable architecture supporting multiple concurrent test sessions
CERTIFICATIONS
AI and Machine Learning
- Neural Networks and Deep Learning, Coursera, 2025
- PNLP Python Chinese Natural Language Processing Expert Course, 2024
- Skills: BERT Models, Word Embeddings, Sentiment Analysis, Text Classification
- Generative AI with Large Language Models, Coursera, 2024
- Skills: Prompt Engineering, RAG Implementation, Model Evaluation, Fine-tuning
- Learn Hugging Face BootCamp, Udemy, 2024
- Skills: Transformer Models, Model Deployment, Inference Optimization
- Introduction to AI, Coursera, 2024
Information Technology
- ECIH (EC-Council Certified Incident Handler), EC-Council, 2022-2025
- Skills: Incident Response Planning, Digital Forensics, Malware Analysis
- CCNA (Cisco Certified Network Associate), Cisco, 2021-2024
- Skills: Network Design, Routing Protocols, Network Security
- Oracle Database 19C: SQL Workshop, Oracle, 2023
- Skills: Advanced SQL, Performance Optimization, Database Security
- MVC522 ASP.NET MVC 5 Web Application Design, 2023
- Skills: C# Development, Entity Framework, Web API
- BDPY Python Data Processing, 2024
- Skills: Pandas, NumPy, Data Visualization, Data Cleaning
- Django 2.2 & Python Web Development Bootcamp, Udemy, 2019
- Skills: MVT Architecture, ORM, Template Engine, RESTful APIs
Project Management & Other
- PMA (Project Management Assistant), NPMA, 2019
- Skills: Project Scheduling, Resource Allocation, Risk Management
- Procurement Certification, Public Construction Commission, Executive Yuan, 2021
- Skills: Contract Management, Tender Evaluation, Regulatory Compliance
LANGUAGE PROFICIENCY
- English: Professional working proficiency
- Japanese: Basic proficiency (JLPT N4, 2021)
- Mandarin Chinese: Native
ADDITIONAL SKILLS & ACTIVITIES
- Technical Leadership: Led cross-functional teams in system deployment
- Critical Thinking: Developed innovative solutions for complex system challenges
- Problem-Solving: Implemented efficient troubleshooting methodologies
- Communication: Presented technical concepts to non-technical stakeholders