Alex Chen
Senior Machine Learning Engineer
Building intelligent systems that deliver measurable business impact through cutting-edge AI
About Me
I'm a Senior Machine Learning Engineer with 7+ years of experience designing and deploying production-grade AI systems. My expertise spans across deep learning, natural language processing, computer vision, and MLOps.
Machine Learning
Deep Learning
NLP
Computer Vision
MLOps
Generative AI
Technical Skills
Python
Expert
PyTorch
Advanced
SQL
Advanced
AWS/GCP
Advanced
Docker
Advanced
Kubernetes
Intermediate
LLMs
Advanced
Spark
Intermediate
Professional Experience
Senior ML Engineer
TechCorp AI • 2021-Present- Led development of NLP pipeline that improved text classification accuracy by 32%
- Designed MLOps framework reducing model deployment time from 2 weeks to 2 days
- Mentored 3 junior engineers in ML best practices
ML Engineer
DataVision • 2018-2021- Built computer vision system detecting defects with 98.7% accuracy
- Optimized recommendation algorithm increasing user engagement by 27%
- Reduced cloud costs by 40% through model quantization
Featured Projects
Real-time Sentiment Analysis
NLP pipeline analyzing customer feedback with 92% accuracy
Python
PyTorch
BERT
FastAPI
View on GitHub
Fraud Detection System
Identified fraudulent transactions with 99.1% precision
Python
XGBoost
Spark
AWS
View on GitHub
Medical Image Classification
CNN model detecting abnormalities in X-rays with 96% accuracy
Python
TensorFlow
DICOM
Docker
View on GitHub
Enterprise Chatbot
LLM-powered assistant handling 10k+ monthly queries
Python
GPT-4
LangChain
Kubernetes
View on GitHub