Machine Learning Ai Engineer

Yuwei (Alice) Chen

Certified Azure AI Engineer

**********@*****.*** 650-***-**** San Francisco Bay Area Work Experience

Career Sabbatical for Relocation & Maternity Leave Oct 2023 – Apr 2025

- Relocated to the U.S. and completed the work authorization process.

- Maternity leave.

- Earned an Azure AI Engineer Certificate, strengthening expertise in machine learning, and cloud AI services. Data Scientist AIA Digital+, Guangzhou, Guangdong

Document Extraction and Validation with OCR Solutions Jan 2022 – Sep 2023

- Led a team of 4 in developing and deploying OCR solutions with Azure Form Recognizer and Layout model

(LiLT) for the AIA Group and 4 AIA branch offices.

- Managed development progress using Azure DevOps Sprint board and organized weekly meetings with stakeholders.

- Designed and implemented alignment algorithms to improve the extraction accuracy for unstructured med- ical invoices to over 98%.

- Integratedsolutions into theAIAoperationpipelineonvariousplatforms including Azure Databricks, Azure Kubernetes Service, and Azure Virtual Machine.

NLP-Based Solution for Candidate Screening Aug 2021 – Jun 2022

- Built a candidate rating model with the fastText embedding model for 13 AIA branch offices to automate the initial screening process.

- Deployed this solution in Azure Databricks and achieved over 90% agreement score in the probationary period, and over 85% agreement score in production. OCR E-Claims Solution Mar 2021 – Jul 2021

- Applied OCR and NLP techniques for an E-Claims quality check engine using the PaddleOCR framework.

- Created a ranking scheme on Named Entity Recognition (NER) from OCR-extracted text.

- This project was awarded the 2021 AIATSS Innovator Award with Platinum Prize. Supply Chain Analyst Retail Business Services LLC., An Ahold Delhaize Company, Boston, MA Machine Learning-Based Prediction for On-Time and In-Full Purchase Order Jun 2020 – Dec 2020

- Performed data pre-processing on large complex datasets (structured & unstructured) using PySpark.

- Conducted hypothesis testing and feature selection to recognize key contributors.

- Built and tuned machine learning models using Azure Databricks (Spark) with MLFlow.

- Launched a data pipeline in Azure Data Factory and created interactive dashboards to assist decision-making in distribution centers.

Guest Researcher National Center For Supercomputing Applications, Champaign, IL Big Data For Environmental Economic Policy Team Mar 2018 – Dec 2018

- Analyzed the economical effects of transportation policies on trip duration by fitting a fixed-effect model for the Cairo transportation project.

- Designed and implemented an interactive online map for U.S. toxic land distribution project.

- Established and maintained the group’s website and GitHub. Project Experience

Flexible Face Recognition and Mask Detection with Neural Network Sep 2020 – Dec 2020

- Applied OpenCV package in face features capturing and data augmentation.

- Trained a lightweight Neural Network model MobileNet to build a mask detector.

- Built a face detection model detecting faces in both streaming videos and static images taken in crowd. Food Image Classification and Recipe Retrieval with Neural Network Sep 2019 – Dec 2019

- Crawled over 40,000 recipes from Allrescipes.com and labeled them using Non-negative Matrix Factorization

(NMF) and TF-IDF topic modeling.

- Conducted transfer learning to VGG-16 and ResNet-18modelsbyfine-tuning the top three fully connected layers.

- Used the best top-5 tier classification model to retrieve candidate recipes. Skills

Programming Professional Familiarity languages with proficiency JavaScript, & API: in Python, C/C++, PySpark, SQL, C#, Java, XML, R. CSS, HTML, LATEX. Software: Microsoft suites, Git, Excalidraw, SharePoint, Power BI. Framework: Flask, PyTorch, TensorFlow.

Cloud Platform: Microsoft Azure (Document Intelligence, Custom Vision, Kubernetes Services, DevOps), Databricks (MLFlow), Google Cloud.

Spoken languages: English (full professional proficiency), Mandarin Chinese & Cantonese (mother tongue). Yuwei Chen (**********@*****.***) 1/ 2

Education

University of Massachusetts Amherst (UMass) Amherst, MA M.S., Computer Science, College of Information and Computer Science 2019 – 2020 University of Illinois at Urbana-Champaign (UIUC) Champaign, IL M.S., Information Science, School of Information Science 2016 – 2017 Central China Normal University (CCNU) Hubei, China B.S., Information Management System, School of Information Management 2011 – 2015 Wuhan University (WHU) Hubei, China

B.A., Finance, Economics and Management School 2013 – 2015 Yuwei Chen (**********@*****.***) 2/ 2

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