Results-driven engineer with 10+ years of experience connecting domains to solve complex problems. I specialize in building scalable distributed systems and leading engineering teams to deliver high-impact solutions.
- 🌱 Passionate about microservices architecture, cloud infrastructure, and team leadership
- 🎯 Led engineering initiatives that improved user connection rates by 20% and reduced API costs by 20%
- 🌍 International experience across South Korea, Germany, Singapore, and Japan
- 🎯 Performance Optimization: Reduced API call costs by 20% through cache optimization
- 📈 Architecture Leadership: Led MyData 2.0 initiative, improving user connection rates by 20%
- 🔄 System Resilience: Architected transition from synchronous to asynchronous data synchronization
- 👥 Team Leadership: Led 3-person engineering team with Agile and mob programming practices
- ⚡ Scale: Built large-scale Go applications handling 4TB+ MySQL databases
- 🇩🇪 Germany: Raisin - Authentication systems, Keycloak, AWS Lambda
- 🇸🇬 Singapore: Facebook (E2E testing), Gojek (Financial platform)
- 🇯🇵 Japan: Rakuten - Travel booking platform
- 📊 20% Cost Reduction in API calls through optimization strategies
- 📈 20% Improvement in user connection rates through architectural redesign
- 🏗️ Migration Leadership from on-premises to cloud infrastructure
- 🔧 Full-Stack Expertise across backend, frontend, and infrastructure
- 🌐 Global Impact with experience across 4 countries and multiple industries
I'm always interested in discussing technology, architecture, and engineering leadership. Feel free to reach out!
- 📧 Email: [email protected]
- 💼 LinkedIn: linkedin.com/in/eunseokkang
- 📍 Location: Daejeon, South Korea