- Introduced gRPC as the communication bridge between microservices, effectively reducing network latency to below 2ms.- Designed and integrated a Protobuf development process, unifying communication interfaces for Ruby & Golang services, reducing communication costs across all development teams.- Introduced Otel-Collector to unify Trace & Metrics collection interfaces, successfully integrating three different tracking systems, enhancing the efficiency of RD issue tracking and… Show more - Introduced gRPC as the communication bridge between microservices, effectively reducing network latency to below 2ms.- Designed and integrated a Protobuf development process, unifying communication interfaces for Ruby & Golang services, reducing communication costs across all development teams.- Introduced Otel-Collector to unify Trace & Metrics collection interfaces, successfully integrating three different tracking systems, enhancing the efficiency of RD issue tracking and reducing operational costs.- Designed and implemented a MongoDB migration mechanism that allows RDs to handle MongoDB requirements directly without SRE intervention, reducing related development costs by 70%.- Developed and maintained the Teacher Wall matching algorithm, adding more recommendation factors (e.g., regional preferences, time zones) based on experimental results to better match students with desired teacher profiles, ultimately increasing order conversion rates by 5%.- Designed and developed a customized internal remarketing system, allowing marketing staff to adjust remarketing strategies in real time, ultimately increasing the repurchase rate by 8%.Optimized the efficiency of event tracking data usage, successfully reducing BigQuery costs by $30,000 annually.- Introduced the BI tool QuickSight and authored specifications, enabling PDs to independently generate required reports without RD development.- Designed and standardized the file upload process, reducing file management costs and applying it to short video features, significantly enhancing development efficiency.- Integrated Github Dependabot Security Alerts into the workflow using automated processes, effectively reducing operational costs. Show less

- Served as a pioneer in the WebRTC technology group, implementing a commercial communication software (POC) used internally by the group.- Optimized image compression technology, reducing file sizes by approximately 70% without degrading image quality.- Independently packaged a Go Cron Package to meet the company's customized scheduling needs, enhancing the efficiency and accuracy of scheduling.- Researched and implemented Domain-Driven Design (DDD), adjusting project… Show more - Served as a pioneer in the WebRTC technology group, implementing a commercial communication software (POC) used internally by the group.- Optimized image compression technology, reducing file sizes by approximately 70% without degrading image quality.- Independently packaged a Go Cron Package to meet the company's customized scheduling needs, enhancing the efficiency and accuracy of scheduling.- Researched and implemented Domain-Driven Design (DDD), adjusting project architecture to reduce coupling, thereby enhancing system maintainability and scalability.- Led Event Storming sessions, unifying team thinking and effectively reducing communication costs during development. Show less