Back-End Developer
CurrentTechnical Contributions- Developed a Push Server:Built and integrated a push server with Amazon MSK (Managed Streaming for Apache Kafka).- Enhanced Push Delivery Performance: Reduced the time to send push notifications to all users from over 40 minutes to under 10 minutes.- Developed a Push Tracking System:Created and integrated a push tracking system with Amazon DocumentDB.- Developed and Provided External APIs:Designed and maintained robust external APIs to facilitate seamless integration with third-party services.- Maintained and Improved Parsing Functionality for KSD (Korea Securities Depository):Maintained and enhanced specialized parsing functionality for KSD, ensuring reliability and improving overall performance.Process Improvements- Improved Team Test Code Practices:Introduced unit testing and Test Fixtures; applied Test Containers in the integration testing environment to enhance test reliability and efficiency.- Implemented a Code Review Culture:Promoted a collaborative code review culture by providing proactive feedback and fostering best practices.- Enhanced Team Documentation Practices:Led efforts to improve internal documentation processes, ensuring clarity and accessibility for all team members.
