freelancer-jimy

Senior Technical Archetect

UBTECH Robotics • Fulltime

May 2016 - Apr 2021 • 4 yrs 11 mos

- Led the design and development of an NLP model training management platform based on Spring Boot and Spring Cloud, standardizing and automating the full AI model R&D lifecycle (corpus management, training, testing, validation, and service exposure). - Optimized large-scale unstructured corpus storage using MongoDB sharding and refined indexing strategies, enabling faster queries and batch updates and improving data access efficiency by over 40%. - Built an asynchronous training dispatch system with Kafka to decouple compute-intensive training tasks from business services, ensuring reliable task submission, monitoring, and result callbacks. - Enforced role-based access control (RBAC) with Spring Security and exposed standardized RESTful APIs to enable secure model integration for internal tools and external apps. - Reduced the NLP model development and deployment cycle by approximately 50%, significantly improving AI R&D efficiency and providing stable NLP capabilities for multiple UBTECH intelligent robot products. - Led the end-to-end development of a mobile H5 visual programming app using React and MIT Blockly, tailored for UBTECH robots with custom programming blocks, touch-optimized interactions, and smooth drag-and-drop on mobile devices. - Built a modular React UI with efficient state management to synchronize complex UI states with the Blockly engine, improving responsiveness and runtime stability in mobile H5 environments. - Integrated the H5 app with the JimuApp native container, ensured full compliance with Apple App Store requirements, and drove its successful commercial launch. - Delivered an education-focused visual programming product that served over 1 million users, creating direct commercial value and strengthening UBTECH's brand presence in the EdTech space.