Yi Shen

Principal Software Engineer at Microsoft | Ex-Amazon

Principal Software Engineer at Microsoft. Previously architected Tier-1 real-time ML platforms handling petabytes of data and millions of QPS at Amazon. Homelab enthusiast running Kubernetes clusters, smart home automation, and enterprise-grade infrastructure.

About Me

Principal Software Engineer at Microsoft, bringing 8 years of experience at Amazon architecting Tier-1 real-time ML platforms handling petabytes of data & millions of QPS with 99.99% availability. Organizational leader driving cross-company innovation by influencing strategic technology roadmaps to unlock new capabilities and 60% cost reductions.

Passionate about AI automation, distributed systems, and delivering high-impact solutions with strong ownership and engineering excellence. Outside of work, I run an extensive homelab featuring Kubernetes clusters, NVR systems, and smart home automation.

Homelab & Projects

Enterprise-grade infrastructure running at home

☸️

Kubernetes Cluster

Highly available K8s cluster on Proxmox with 3 masters + 3 workers. Infrastructure as Code with Terraform, Ceph for distributed storage.

Kubernetes Proxmox Terraform Ceph
πŸ“Ή

Frigate NVR

AI-powered network video recorder with object detection. Hardware acceleration via Coral TPU and NVIDIA RTX 3070.

Frigate Coral TPU NVIDIA GPU AI
🏠

Home Assistant

Complete smart home automation hub integrating lights, sensors, cameras, and climate control with custom automations.

Home Assistant Zigbee Z-Wave MQTT
πŸ’Ύ

TrueNAS Storage

Enterprise-grade NAS with ZFS for data integrity. 10GbE networking with VLAN segmentation for performance and security.

TrueNAS ZFS 10GbE iSCSI
πŸ”’

OPNsense Firewall

Network edge security with multi-VLAN routing, WoL support, and IDS/IPS. Migrated from pfSense for improved features.

OPNsense VLANs Firewall IDS/IPS
🌐

Secure Access

Nginx Proxy Manager for internal service routing with SSL termination. Cloudflared tunnels for secure external access without exposing ports.

Nginx Proxy Manager Cloudflared SSL Zero Trust

Professional Skills

Languages

Java, Python, TypeScript, SQL, Shell

Cloud & Infra

AWS, Azure, Kubernetes, Docker, Flink, Git

AI & Data

LLM, RAG, MCP, Spark, Hadoop, EMR

System Architecture

Serverless, Microservices, Event-Driven, Caching

Education

University of Wisconsin-Madison

B.S. Computer Engineering, double major in B.S. Computer Sciences

GPA: 3.94 / 4.0 May 2018

Stanford University (Summer Session)

Intensive Studies In Computer Science Certificate

GPA: 4.2 / 4.3 Summer 2016