Professional Summary:Jeffrey is a highly skilled Staff Cloud Architect at VMware, with a proven track record in modernapplication transformation using cloud-native technologies. He has extensive project experienceacross multiple regions, including Mainland China, Hong Kong, Singapore, India, Malaysia, andAustralia, where he has successfully designed and implemented PaaS platforms, improvedsoftware architecture, and optimized team structures and processes for customers.Core Competencies:• Cloud Architecture: Expertise in AWS, Azure, vShpere, GCP and Hybird cloud.• Programming Skills: Strong foundation in C/C++ , Python and Pytorch.• Kubernetes & DevOps: Proficient in Kubernetes, IaC/DevOps/GitOps/DataOps/Mlops. Hands-on experiences of Terreform, Jenkins, Ansible, FluxCD, ArgoCD, • Data Engineering: In-depth knowledge of SQL/NoSQL databases and Middleware such as RabbitMQ, Kafka, Redis, ElasticSearch, Spark .• ML/DL: Solid skills of CNN, LLM, CUDA. • HPC: Solid knowledge and practices of Gloo, NCCL, OpenMPI, Slurm, DeepSpeed Zero and Pytorch FSDP. • Network: Deployment skills of SR-IOV, DPDK, eBPF, VXLAN, Multus, RDMA/ROCE.• Training/Optimization: In-depth knowledge of AMP, Sparse attention, SFT, LoRA, GEMM tile alignmen. Hands-on distributed training experiencs of Data/Model/Tensor/Pipeline parrllelism., • Inference Optimization: In-depth knowledge and hands-on practices of Pruning, Distillation, In-flight batching , GGUF/GPTQ/AMQ/EXL2 quantization, MQA/GQA, Flash Attention 1-2-3, KV caching, Paged Attention, Speculative decoding.• Cross-Functional Collaboration: Fluent in inter-team communication, with strong customer-facing skills that include engaging with product owners, directors, and C-level executives.• Management: Lead of software development, Lead of project and delivery.