**Software Developer at Kyobo Life Insurance
Specializing in AI/LLM Applications, Cloud Infrastructure, and Financial Systems

🔭 Building AI-powered solutions in financial and insurance domains
💡 Focused on scalable architectures, DevOps automation, and emerging AI technologies
📍 Based in South Korea 🇰🇷
✍️ Tech blogger at KMYBlog.com

• Current: Software Developer at Kyobo Life Insurance (April 2023 - Present)
• Previous:
  • Software Developer at KB Life Insurance (KB Financial Group) (Nov 2022 - Mar 2023)
  • Junior Software Developer at Hana TI (Hana Financial Group) (Until Nov 2022)

Java Python JavaScript SQL Objective-C

Java/Spring Ecosystem Spring Boot Spring Framework Spring Batch Spring AI

Python FastAPI Flask LangChain

Azure AWS Docker Kubernetes

Jenkins GitLab Runner GitHub Actions

Prometheus Grafana Pinpoint

PostgreSQL Elasticsearch

Azure OpenAI LangChain Azure Document Intelligence Azure Speech Service

• 🤖 AI/LLM Applications: Building intelligent systems using Azure OpenAI, LangChain, LangGraph
• 📊 Financial Systems: Developing stock analysis and forecasting applications
• 📄 Document Intelligence: OCR and document processing at scale using Azure Document Intelligence, python-docx, python-pptx
• 🔊 Speech Processing: Working with Azure Speech Service for STT/TTS applications
• 🎯 Embeddings & Vector Search: Implementing semantic search and RAG systems
• 🔍 Compliance & Audit: Automating internal compliance workflows
• 💼 Recruitment AI: AI-powered evaluation and screening system
• 🧪 Exploring: Vibe coding tool, Cursor, Windsurf, Kiro, Antigravity

• vibe coding tool 개인 사용기 - vibe coding tool에 대한 개인적인 느낌 및 소감 (Nov 2025)
• 타건 ChatCompletion vs Batch - ChatCompletion처리에 대한 여러가지 상황 및 Batch 도입 실패기 (Oct 2025)
• UV 사용기 - UV를 Nexus를 사용하여 dependency를 관리 (Jul 2025)

✍️ More posts at KMYBlog.com

🧠 AI/ML Development
 ├─ LLM/GPT application development
 ├─ Azure OpenAI Service integration
 ├─ LangChain framework
 ├─ Vector embeddings and semantic search
 └─ Prompt engineering
☁️ Cloud Architecture
 ├─ Azure Services (App Service, Functions, OpenAI, Document Intelligence, Speech)
 ├─ AWS Infrastructure
 ├─ Microservices architecture
 └─ IaC (Infrastructure as Code)
🔄 DevOps & Automation
 ├─ CI/CD (Jenkins, GitLab Runner, GitHub Actions)
 ├─ Docker & Kubernetes
 ├─ Monitoring (Prometheus, Grafana, Pinpoint APM)
 └─ Multi-environment deployment
📊 Data & Databases
 ├─ PostgreSQL optimization
 ├─ Elasticsearch
 └─ Vector databases for embeddings
🏦 Domain Expertise
 ├─ Financial systems (stocks, options, bonds)
 ├─ Insurance product analysis
 ├─ Document processing at scale
 └─ Compliance and audit automation

• Advanced LLM features (batch processing, assistants API)
• Vector databases and semantic search optimization
• MLOps and model deployment strategies
• Modern package management with uv
• AI-powered coding tools (Cursor, Windsurf, Vibe)
• Financial domain deep-dive (derivatives, options trading)
• Model fine-tuning (Experience with BERT fine-tuning)

• 🧑‍💻 My MBTI is ENFP (49% I / 51% E)
• 🤝 I highly value relationships and am very organization-friendly
• 🌅 Early morning work sessions enthusiast
• 📝 Active in technical communities and documentation
• 🔧 Regular system maintenance and optimization

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