Alexander Tsui

Lang-8 / Backend EngineerDavis, California

Alexander Tsui

Lang-8 / Backend Engineer

I love learning languages and study Japanese and Chinese in my spare time, and looking for a fresh start, I recently joined lang-8 to make it my full-time job to build a service that helps people in language and culture exchange.

About Lang-8

Lang-85 years

Backend EngineerPresent

- Present

I currently work for this language learning startup as a backend engineer. I hope to contribute to the growth of this global service and at the same time grow as a Ruby developer.

UC Davis

Ph.D. Computer Science

I was a research assistant who developed tools to process and visualize geometry. I wrote C++, Java, and batch scripts to work with meshes built from biomedical data, and I worked with analysts who use the tools to work with the data to improve the software.

Computational Geometry Algorithms Library4 months

Student Developer - Google Summer of Code(Intern)


I developed for the CGAL open source library, extending a 2D visualization to demonstrate an API to construct an arrangement of curves.

San Jose State University

B.S. Computer Science and Applied Mathematics

From 2005-2010, I earned a double major at San Jose State University, as well as a minor in Chinese. I was involved in math and computer science clubs and contributed to developing websites, mostly in PHP.

Chinese University of Hong Kong

During my third year as an undergraduate student, I went to study abroad for a year in Hong Kong. I took math and engineering classes in addition to language and general education classes, and the experience turned me on to the idea of working abroad.


  • English - Native
  • Japanese - Conversational

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