ePopSoft, Inc. is an edu-tech start-up cofounded by four programmers who have won medals at IOI (International Olympiad in Informatics) and whose previous works include Crazy Arcade, KartRider, MapleStory, FIFA Online 3, and I Love Coffee. In December of 2019, the mastermind developers launched an English language learning app, SayVoca, focusing on game-based vocabulary acquisition using AI technology. Since its launch, the app has been named one of the Best Personal Growth Apps of 2020 by Google Play and has reached nearly one million downloads to date. The company raised approximately 10 billion KRW in Series A investment in June of 2021. Now, as ePopSoft plans to expand, the company is seeking English-Japanese proofreaders/reviews to join the team.