Experience

• Supervised MLOps platforms by leading 25 software engineers to optimize the inference performance and productivity of HyperCLOVA, an LLM specializing in Korean culture.



• Developed the second version of NSML, an ML research platform, to extend its capability for large-scale AI models on HPC infrastructures.



• Developed a serverless training framework and a distributed hyperparameter search platform for an AutoML service. Developed and published a pipeline parallelism library named torchgpipe in open source.



• Developed cloud-based distributed MMORPG servers for Durango using pub/sub communication over the spatial grid system. Achieved up to 70k concurrent users per game world. Developed online racing game servers and matchmaking for KartRider Dash and KartRider Coin Rush.



• Developed and maintained web services selling stock images.



• Designed and developed UI/UX for social media.