AI Engineer | Data Scientist | Backend Engineer

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🔥 About Me

class BackendEngineer:
    def __init__(self):
        self.name = "Yu-Jun Wen (Wen)"
        self.role = "Senior Backend Engineer @ Trend Micro"
        self.location = "Taiwan 🇹🇼"
        self.blog = "96 articles | 79K+ page views"

    def get_skills(self):
        return {
            "languages": ["Python", "Go", "SQL"],
            "backend": ["FastAPI", "Gin", "OpenAPI"],
            "ai_ml": ["LangChain", "LangGraph", "LangFuse", "PyTorch", "TensorFlow", "Keras"],
            "cloud": ["AWS", "Kubernetes", "Docker", "Terraform", "Helm"],
            "data": ["PySpark", "PostgreSQL", "InfluxDB"],
            "devops": ["GitHub Actions", "Grafana", "Prometheus", "Loki"]
        }

    def get_highlights(self):
        return [
            "🎯 Reduced 5-7 person workload to 1 person through automation",
            "🏗️ Built 4 microservices from 0→1 independently",
            "📝 Authored 96 technical articles with 79K+ views",
            "🤖 Specialized in LLM integration & backend infrastructure"
        ]

me = BackendEngineer()

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💼 Professional Experience

🏢 Trend Micro | Senior Backend Engineer

Feb 2025 – Present

• 🎯 Impact: Automated analysis platform reduced operational team from 5-7 people → 1 person
• 🏗️ Built: 4 microservices from scratch (Go, Python, FastAPI, Azure OpenAI)
• ☁️ Deployed: Multi-region infrastructure using Terraform, Helm, and GitHub Actions CI/CD
• 👥 Mentored: 1 junior engineer on service design and deployment

🔍 Trend Micro | Backend Engineer

Oct 2022 – Feb 2025

• 📊 Analyzed 4B emails/day for threat intelligence and attack pattern detection
• 🔧 Built ETL pipelines using PySpark to process large-scale email data stored in S3 (Parquet format)
• 📈 Utilized AWS Athena for querying and analyzing threat data
• 🤝 Collaborated with security researchers and global support teams

🤖 WNC CIM Team | AI Engineer

Aug 2020 – Sep 2022

• 🏭 Built factory AI audio anomaly detection system (0→1)
• 📡 Deployed K3s cluster with Jetson Nano edge devices
• 📈 Implemented AutoEncoder-based unsupervised learning model

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🌟 Fun Facts

• 💡 I've transformed a 5-7 person manual process into a fully automated system
• 📝 Passionate about technical writing with 79K+ readers
• 🏭 Built AI systems for real factory production lines
• 🌱 Always learning new technologies and sharing knowledge

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