- Development and Operation of High-Performance Search Services: Successfully operated a search service handling over 2,000 QPS, and increased click-through rates by more than 20 times by integrating with KakaoTalk channels.
- Modernization of Data Pipeline with Cloud-Native Architecture: Implemented a cloud-native stack, including Kubernetes and Kafka, to modernize the legacy data pipeline and enhance service resilience.
- Implementation of Real-Time Trend Keyword Service: Utilized Kafka Connect and Jenkins to implement real-time keyword extraction and web document indexing services, while improving development efficiency through automated build, test, and deployment processes.
Work
- Aug2022 - CurrentKakao EnterpriseSoftware Engineer
- Aug2019 - Aug2021SecuLetterSoftware Engineer
- Development of REST API Services and Automated Pipeline: Designed and developed REST APIs for collecting and querying malicious URL and file information. Built an automated CI/CD pipeline in a microservices architecture based on Spring Boot and Azure cloud environment.
- Establishment of Real-Time Customer Response System: Implemented a logging repository and alert system using the ELK stack, enabling real-time monitoring and swift response to client security issues.
- Development of Machine Learning-Based Malicious Script Blocking Technology: Developed an engine using Python and TensorFlow to detect malicious Visual Basic Scripts, introducing a new diagnostic technology to block malicious scripts with over 95% accuracy.