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Zeyu Li

<Backend Engineer />

Specializing in Distributed Systems and Cloud Architecture. Building scalable solutions with Java, Go, and AWS.

GithubLinkedInEmail

/projects

(4 repos)
public

High-Concurrency CQRS Ticketing Platform

A flash-sale ticketing platform with CQRS architecture using Redis Lua O(1) atomic locks, Kafka event backbone, and MySQL projections. Dual deployment: local Docker Compose for dev, AWS (Terraform IaC) for cloud deployment, automated via GitHub Actions.

Distributed Systems
public

Automated Knowledge Graph Generation Pipeline on HPC

A containerized HPC pipeline that orchestrates PDF-to-knowledge-graph generation with Apptainer, gRPC, and reverse SSH tunneling, validated through LocalStack and Kubernetes for future cloud migration.

HPC Architecture
public

Zero Trust Elasticsearch with OPA Policy Engine

A proxy-based Zero Trust enforcement layer for Elasticsearch using Open Policy Agent (OPA). Implements attribute-based access control with network, location, device, and MFA freshness validation—avoiding index proliferation and static role assignment.

Zero Trust Security
public

Albums Storage Service

A high-performance distributed album storage service benchmarked across Spring Boot and Go Gin with SQL/NoSQL backends, featuring RabbitMQ decoupling, AWS Auto Scaling, and Load Balancer–driven scalability under 600K+ concurrent requests.

Scalability & Load Testing

/blog

Compare MySQL and MongoDB
2025-08-23•
#Database#Tools
Message queue and Apache Kafka (KRaft) Notes and Understanding
2025-05-01•
#Distributed Systems#Tools
LSM-Tree Notes and Understanding
2025-03-01•
#Data Structures#Database
Book Note: Network File System (NFSv2)
2025-01-01•
#Operating Systems
Understanding of signalfd(), pidfd() and userfaultfd()
2024-11-01•
#Operating Systems

more posts coming up...

/experience

git log --graph
a1b2c3d 2023 - Present

Northeastern University

M.S. Computer Science
Vancouver, BC
  • -Key Courses: Algorithms, Database Management Systems, Scalable Distributed Systems, Computer Systems
9f8e7d6 Feb 2022 - July 2023

Aura Home, Inc.

International Logistics Coordinator
New York City, NY
  • -Coordinated 170+ containers (740k+ units) across global markets using SQL/Excel analytics.
  • -Optimized warehouse operations reducing storage costs by 15% via data-driven inventory classification.
5g4h3i2 2020 - 2021

Rutgers University

M.S. Supply Chain Analytics
New Brunswick, NJ
  • -Lean Six Sigma, Data Analysis, Business Intelligence
1j2k3l4 2016 - 2020

Purdue University

B.A. Economics
West Lafayette, IN
Initial commit