• Saved large-scale data insertion time up to two times in a cross-platform PC application by implementing bulk insertion based on Oracle SQL OTT and C++ caller interface
• Improved files reading system speed up to 50% ~ 100% in C++/QT environment by using Multithread Thread Pool in order to read multiple files in parallel threads
• Created a table searching widget which filtered a table content by typing words in it based on Trie data structure
• Contributed to a web-based application whole lifecycle development based on Python Django framework, MySQL database, HTML, JavaScript libraries and Bootstrap CSS to track internal team’s projects and tickets
• Implemented a real-time Linux tool log monitor application which automatically sends email alerts to on-call engineers when tool errors are detached by using Celery