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Chen X.

Chen X.

AI & Machine Learning Engineer · Mid-Level

South Korea · Rate on request

Professional Overview

ML/LLM Engineer with 6+ years of experience building production AI systems across Microsoft, Snorkel AI, and Weibo. Experienced in LLM fine-tuning (LoRA/SFT, DPO/RL), RAG, multi-agent systems, evaluation benchmarks, and scalable ML infrastructure. Hands-on with Python, PyTorch, Azure ML, Docker, Kubernetes, and modern open-source models including L

Areas of Expertise

AI & Machine Learning Engineers

Design, train, and ship production ML models — from data pipelines to model inference at scale. Covers supervised learning, neural networks, LLM integration, and model optimisation.

MLOps & AI Infrastructure

Architect scalable ML infrastructure — CI/CD for ML, model versioning, experiment tracking, monitoring, and cloud deployment on AWS, GCP, or Azure.

NLP & Prompt Engineering

Build natural language processing systems, fine-tune large language models, and craft reliable production prompts for AI-powered products.

Automation & AI Workflows

Build intelligent automation pipelines, integrate AI APIs into existing tools, and replace manual workflows with agentic AI systems.

Open to

Full-time Part-time Freelance

Skills

Python SQL PyTorch Scikit-Learn

Experience Level

Mid-Level

Current location

South Korea

Time Zone

Seoul UTC+9

Primary Work Language

English

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