· Offline Regeneration System Optimization: Enhancing a high-performance C++ toolset used

to re-execute on-vehicle sensor data and system states in offline environments for debugging

and performance analysis.

· Performance Tuning & Scalability: Identifying and resolving critical system bottlenecks to

improve data throughput and execution speed, directly accelerating the development iteration

cycles for autonomous driving software.

· Infrastructure Management: Streamlining the integration and deployment of regeneration

tools by maintaining a robust Bazel-based build system

· Cross-Platform ML Inference Library: Designed and developed a unified C++ inference library

for iOS and Android, integrating ONNX Runtime to execute complex NLP models on mobile

devices.

· Full-Stack Runtime Implementation: Developed high-performance C++ modules for

pre-processing and post-processing, ensuring consistent model execution across different

mobile operating systems.

· Native API Bridge & Wrappers: Architected and implemented Swift (iOS) and Java/JNI

(Android) wrappers to expose core C++ library functionalities, providing seamless integration

for native mobile applications.

· CPU-Centric Performance Tuning: Optimized inference latency and memory footprint

through low-level C++ tuning and efficient memory management, tailored for CPU-based

execution under strict mobile resource constraints.

· JavaCard VM Development: Architected and implemented a high-performance JavaCard

Virtual Machine (VM) for secure elements, focusing on robust execution within extremely

limited memory (RAM/Flash) and strict security constraints.

· Mobile Java Virtual Machine (JVM): Developed and optimized mobile JVMs for feature phone

platforms, ensuring efficient byte-code execution and system stability across diverse hardware

specifications.

· Low-level Optimization & Assembly: Mastered C and Assembly (ARM) to optimize

performance-critical sections of the VM and system libraries, maximizing execution speed on

resource-constrained microcontrollers.

· Embedded System Architecture: Led the design of embedded OS components and runtime

environments, managing the full development lifecycle from architectural design to mass

production and deployment.