Lang Qin
SDE @ TikTok | MSE in Computer and Information Science @ UPenn
- Role
- Software Engineer - Tiktok Recommendation Arch Us at TikTok
- Location
- Seattle, WA, US
- LinkedIn followers
- 500 followers
About Lang Qin
Hello! I\'m Lang Qin. EDUCATIONI am currently pursuing my M.S.E. in Computer and Information Science from the prestigious University of Pennsylvania. Prior to this, I achieved a dual degree, B.S. in Computational Finance and Risk Management and a B.A. in Mathematics from the University of Washington with an impressive GPA of 3.85/4.0. PROFESSIONAL EXPERIENCECurrently, I am applying my algorithmic prowess at Wharton Research Data Service as an Algorithm Engineer, where I\'ve successfully devised algorithms that simplify complex financial data processing tasks. Additionally, I am geared to support the bright minds at the University of Pennsylvania as an incoming Teaching Assistant for CIT 5920 Mathematical Foundation for Computer Science. SKILLSWith a strong foundation in multiple programming languages like Java, Python, C++/C, SQL, R, and MATLAB, I pride myself on being versatile. My expertise extends to DevOps and Cloud Technologies, having hands-on experience with CI/CD, Linux, Jenkins, Azure, and Git. Proficient in HTML, Data Structures, Redis, MyBaits-Plus, and Spring Cloud, I\'m always looking for new challenges that push my limits. PROJECT HIGHLIGHTS* SkyClassroom – Contributed to the backend of an online educational platform using technologies like SpringCloud, Gogs, Jenkins, and MySQL.* GitLet – Built a command-line version-control application similar to Git using Java\'s standard libraries.* Multi-threaded Web Server – Developed a server for content search using C++ and reduced computational time significantly through the use of Trie.* Vaccination System – A scheduling system integrating Python client and Azure SQL, enhancing security with strong encryption methods.* Memory Management Package – Customized a memory manager in C, ensuring efficient and seamless memory allocation. LOOKING FORWARDThe ever-evolving world of tech excites me! My journey so far has been about exploring, learning, and innovating. I am eager to collaborate with like-minded professionals and organizations that value innovation and strive for excellence.
Experience
Software Engineer - Tiktok Recommendation Arch Us
Jun 2025 — Present · Seattle, WA, US
Education
University of Pennsylvania
Master of Science in Engineering, Computer and Information Sciences, General
University of Washington
Bachelor of Arts - BA, Mathematics
University of Washington
Bachelor of Science - BS, Computational Finance and Risk Management
Chengdu NO.7 High School 成都市第七中学
High School Diploma
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