Enterprise AI Engineer

Leon Chu

AI Engineer

Building production AI systems for security, data infrastructure, and intelligent applications.

MSE in Data Science at the University of Pennsylvania, with enterprise AI and engineering experience across Huawei, ByteDance, and Sanofi.

University of PennsylvaniaHuaweiByteDanceEnterprise AI Systems
Leon Chu portrait
University of PennsylvaniaHuaweiByteDanceEnterprise AI Systems
Selected Work
Data Security Agent
Task-flow success rate 85%+
Official Release
Anti-Ransomware Detection
Accuracy 99%+
Official Release
Fine-Grained Recovery
Relation accuracy 95%

Selected Impact

Applied AI work shaped for real systems

Instead of a public portfolio dump, the site highlights production-facing work through clear outcomes and public-safe descriptions.

Enterprise data security workflows

Data Security Agent

As the responsible lead, designed and shipped agent capabilities around intent recognition, context engineering, tool calling, and RAG for production security scenarios.

Task-flow success rate above 85%.

Storage-side ransomware defense

Anti-Ransomware Detection

As the responsible lead, combined classical machine learning, deep learning, and custom feature extraction for real storage system environments.

Detection accuracy above 99% with third-party validation support.

Snapshot-based file recovery

Fine-Grained Recovery

Modeled file relationships with message-passing graph methods to move recovery precision closer to the file level.

Relation accuracy improved to 95% with more precise recovery workflows.

Experience

From product engineering to enterprise AI delivery

The arc moves from large-scale product engineering into enterprise AI, security systems, and production-grade machine learning.

Sanofi

AI Engineer

2025.10 - Present

  • Contributed to intelligent infrastructure and enterprise workflow systems that supported complex operational collaboration.
  • Improved orchestration paths and multi-role workflow execution for better stability, maintainability, and delivery efficiency.
  • Advanced system integration and operational optimization for real enterprise environments with longer-term scalability in mind.

Huawei

Algorithm Engineer / Algorithm Expert

2022.01 - 2025.09

  • Led data security agent architecture covering intent recognition, context engineering, tool calling, and RAG for enterprise workflows.
  • Designed and launched anti-ransomware detection systems for storage products with production-grade accuracy and industry recognition.
  • Advanced AI-driven recovery, data profiling, and LLM security exploration across storage and data security labs.

ByteDance

Software Development Engineer

2020 - 2022

  • Built and iterated Douyin local-services features including fullscreen and map-mode experiences that supported major user growth.
  • Integrated privacy and compliance SDK capabilities for production mobile applications.
  • Led on-device intelligence framework integration to enable edge AI capabilities on the Douyin client.

Expertise

A capability stack built around applied AI

The profile is strongest where model capability, system design, and production execution need to work as one loop.

LLM Agents & RAG

Architecture design, context engineering, tool calling, protocol integration, and reliability tuning for enterprise agent systems.

AI Security Systems

Applied AI for ransomware detection, data protection, agent safety, and secure deployment in production environments.

Applied ML & Deep Learning

From classical machine learning to graph-based methods and deep learning systems designed around concrete business and infrastructure problems.

Production Engineering

Cross-stack execution across system-level engineering, product development, experimentation, and deployment workflows.

Education

Advanced training translated into production systems

The academic path reinforces the engineering path: rigorous data science training paired with enterprise delivery across AI, security, and infrastructure.

Primary Credential

University of Pennsylvania

MSE in Data Science

GPA 3.7 / 4.0, top 10%, with coursework spanning machine learning, big data analytics, databases, systems, and algorithms.

10+ invention patents
TOEFL 111 / GRE 331
Based in Chengdu

Patents

Selected Patents

These patents highlight sustained work across AI security, data protection, storage systems, and agent engineering in real enterprise environments.

AI Security

Attack fingerprint-based anti-ransomware detection system

First Inventor

Agent Systems

Agent deployment device for storage systems

First Inventor

Data Protection

Automated data security configuration production system and method

First Inventor

Storage Security

Storage anti-ransomware AI agent system

Second Inventor

Recovery Systems

Multi-snapshot fusion recovery system

Second Inventor

LLM Safety

Tool-calling security system for large-model applications

Second Inventor

Contact

Open to meaningful AI work

Open to AI engineering opportunities, applied AI collaboration, and technical consulting.

Email

chuletian97@163.com

WeChat

WeChat available upon request

Location

Chengdu

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