Collaborated to build a video streaming solution to reduce buffering times by up to 40% using Adaptive Bitrate Streaming to efficiently deliver 1GB video files, utilizing FFmpeg and hls.js libraries.Developed and implemented a suite of API calls using Node.js and the child-process module to compile and execute code in C, C++, Java, and Python, optimizing the process for multiple concurrent users.Enhanced system efficiency by storing submitted code in a database and using unique identifiers for tracking execution status, calculating execution time, and delivering results to the frontend.Designed and integrated API endpoints for course management, including creating courses and retrieving a list of available courses.