Xiaojing Yang - AI Researcher and Machine Learning Engineer

Xiaojing Yang

AI Researcher & Machine Learning Engineer

NLP | Responsible AI | Data-Centric ML | Intelligent Systems

Skills

Key skills that define my professional identity.

Python

The core programming language for AI and data science, supporting machine learning and deep learning development.

PyTorch

Facebook's deep learning framework providing dynamic computation graphs and flexible model building.

Pandas

Powerful data analysis and manipulation library, the go-to tool for handling structured data.

NumPy

Fundamental package for scientific computing, providing high-performance multidimensional array operations.

Git/GitHub

Version control system and collaborative development platform for managing code repositories.

OpenCV

Computer vision library for image processing, object detection, and multimodal AI applications.

Projects

Completed 20+ real-world projects involving text classification, sequence labeling (NER, POS), semantic search, information retrieval, Retrieval-Augmented Generation (RAG), LLM fine-tuning, and prompt engineering.

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Parameter-Efficient Neural Machine Translation for Low-Resource Languages

Published EAMT research on LoRA-based English-Norwegian petroleum-domain NMT, comparing parameter-efficient adaptation with full fine-tuning under low-resource conditions.

Research
Machine Translation
NLP
Evaluation
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Multilingual Sentiment Analysis Platform

Led the full-cycle development of a multilingual sentiment analysis platform using BERT-family models, achieving up to 93% accuracy in binary sentiment classification.

AI/ML
NLP
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SmartReview Pro

An all-in-one AI platform for e-commerce review analysis, offering 9 distinct insights from sentiment to fake review detection.

AI/ML
NLP
Full Stack

Experience

Professional journey and career timeline.

Data Analyst

SAITISITE CHENGDU E-COMMERCE CO., LTDChengdu, China
2020 - 2024

Completed various data analytics projects spanning customer intelligence, sales optimization, and predictive modeling across e-commerce, retail, and marketing domains.

PythonPandas+10 more

AI Engineer / Machine Learning Engineer

Independent ProjectsRemote
2024 - Present

Led full-cycle development of multilingual sentiment analysis platform using BERT-family models, supporting full fine-tuning and LoRA parameter-efficient tuning.

PythonPyTorch+10 more