🚀 About Me

• 📧 Email: daehong770@gmail.com
• 📝 Resume: My Resume
• 🔗 My Tech Blog: My Tech Blog

💡 Tech Stack

🛠️ Open Source Contributions

1. 🧊 Apache/Iceberg

1.1. PR: Iceberg Flink Catalog v2.0 Remove the MiniClusterWithClientResource dependency

• Fix: Removed the unnecessary JUnit 4 test dependency MiniClusterWithClientResource and migrated the Flink catalog tests in Apache Iceberg to be compatible with JUnit 5. This change simplifies the test setup for Iceberg’s Flink catalog module, reduces test complexity, improves maintainability, and aligns with both Flink 2.0 and modern testing practices.
• → Main Branch Merge Date: May 23, 2025

1.2. PR: Backporting Removal of MiniClusterWithClientResource from Iceberg Flink Catalog v1.19, v1.20

• Fix: Backported the removal of the MiniClusterWithClientResource dependency and the migration to JUnit 5-based testing from the main branch (originally introduced for Flink 2.0 support) to Iceberg versions 1.19 and 1.20. This change simplifies the test environment, improves maintainability, and ensures compatibility with modern Flink and JUnit testing practices.
• → Main Branch Merge Date: May 28, 2025

2. 🍃 Spring/Kafka

2.2. PR: GH-3514: Change Default Template Bean Name

• Fix: Replaced retryTopicDefaultKafkaTemplate with RetryTopicBeanNames.DEFAULT_KAFKA_TEMPLATE_BEAN_NAME in test code.
• Documentation: Updated docs to correctly reflect the default bean name as defaultRetryTopicKafkaTemplate.
• → Main Branch Merge Date: October 19, 2024

🎨 My Toy Projects

• 🍔 Food Delivery Service: daehong-food-delivery
• 🤖 Scenario Generator Using GPT API: scenario-gpt-project

📜 Certifications

• ✏️ Engineer Information Processing Certificate (Acquired: November 15, 2023)
• ✏️ Linux Master Level 2 (Acquired: January 3, 2025)