Led a cross-functional team of 6, established iterative engineering system and CI/CD process from 0 to 1; designed Level 2 market access scheme and core interactive framework for the subject details page; developed a dynamic K-line rendering engine for real-time multi-dimensional data visualization; contributed to talent standards and technical knowledge system development.

Senior R&D engineer, Intelligent Office Platform Department at Baidu

April 1, 2021 - June 1, 2021

Architected IM system module reconstruction, abstracted key interfaces, and coordinated end-to-end R&D lifecycle from requirements review to launch; drafted code specifications and CR mechanisms to improve development quality.

Senior engineer, R&D Department (Online car-hailing) at Didi Chuxing

February 1, 2016 - April 1, 2021

Led the safety shield project end-to-end; completed a 5.0 version upgrade across multiple business lines; designed an event-driven model to support real-time state synchronization and abnormal response; coordinated cross-department delivery of 10 modules and built a 7-person technical team.

Core architecture development at Siji Buluo (Driver Tribe)

March 1, 2018 - April 1, 2021

Led overall App framework construction and home page core function design; defined H5 Bridge communication specifications and interfaces; promoted code reuse components and produced technical documents to empower team development.

Senior development engineer at Beijing Sogou Technology Development Co., Ltd

September 1, 2011 - February 1, 2016

Team building and mobile architecture planning; coordinate product requirements, technical paths, and biweekly iterations; deliver core framework and modules; ensure timely releases across key versions.

Core module development at Beijing Sogou

September 1, 2011 - August 31, 2015

Developed core input-method modules; led cross-version feature upgrades; designed data interaction architecture between lexicon core and peripheral systems to enable efficient encapsulation and processing.

Development engineer at Beijing Yonyou Government Affairs Software Co., Ltd.

March 1, 2008 - September 1, 2011

Led access and development of financial application support platform for GFMIS Phase II; provided full-cycle implementation support and ensured seamless integration with multiple government financial systems.

Development engineer at Tinhvent Digital Technology Co., Ltd., Jiangxi

July 1, 2006 - March 1, 2008

Led full-cycle development of centralized treasury payment system; designed core modules (financial plan approval, bank settlement) within Spring+Hibernate framework; coordinated a 3-person team to process thousands of payments daily with data integrity.