Yin YuGuang is currently a software engineer with experience in product design and implementation.
He applies his technical expertise to create applications and general frameworks.

One of his notable works, MoDian Words (墨典单词), has been widely appreciated by English learners and has repeatedly ranked No.1 on the paid education app charts.

Outside of work, he enjoys traveling and reading. He is always eager to try new things and continuously learns from these experiences.

Here, he serves as the CEO of FreeLingo.