linlin123

Designed and built backend architecture for a Video Ad Monetization Platform managing high-throughput transactions between buyers and sellers — comparable to a decentralized trading system in complexity. Developed Partner Relationship Management microservice using Go; replaced unidirectional schema with bidirectional models, improving system scalability and maintainability by 40%. Implemented state synchronization mechanisms between new and legacy systems to ensure consistency in distributed environments. Architected and led the Marketplace Module, integrating real-time bidding and programmatic trading pipelines with event-driven data flow (Kafka + Redis + MySQL). Introduced Redis caching & concurrency control, improving response time by 30% and eliminating daily

Developed a real-time ad delivery engine, handling billions of requests daily. Designed ad-to-user matching interfaces using PHP, Lua, and Redis; optimized data indexing for sub-10ms lookups. Built Kafka-based log consumption and monitoring system for data consistency verification — similar to blockchain state validation concepts. Created Hive and Hadoop-based ETL pipelines for large-scale behavioral data analysis. Filed 3 China Patents as first author in ad recommendation and targeting optimization.

Developed automation tools and test data management systems for mobile network calibration using C# and C++. Designed modular architectures and reusable DLLs for telecom applications. Built internal information management systems integrating MySQL, Access, and VBA — early foundation in distributed data management and synchronization.