Youngtae Choi Email & Phone Number

Minneapolis, Mn, Us

- Lead and manage engineering teams for the Conversational Intelligence Analytics products with Machine Learning and LLMs.

Minneapolis, Mn, Us

Minneapolis, Minnesota, Us

Acquired by Calabrio, Inc.- Managed cross-functional teams including NLP, Data Engineering, Backend- Optimized and Fine-tuned LLMs for production deployment, including LLAMA2- Led Speech2Text project with OpenAI Whisper model and Speaker Diarization- Developed new Chatbot platform with LLMs- Developed new Conversation (Voice & Text) Analysis system

Minneapolis, Minnesota, Us

- Led and managed NLP and Backend teams with Agile process- Developed NLP Engine and Dialogue Backend Systems- Utilized microservice architecture with Flask, Node.js, Springboot, Redis, and Postgres- Developed Backend CI/CD system with Jenkins, Bitbucket, Artifactory, Maven/Gradle, Docker, Kubernetes, Sonarqube, and Azure/GCP- Developed Machine Learning Ops pipeline with Jenkins, Docker, and Kubernetes on GCP and Azure- Led Machine Learning projects with a focus on classification models, Named Entity Recognition, and Smart Auto Query Compose- Implemented and evaluated state-of-the-art models such as BERT, Distill BERT, ALBERT, RoBERTa

Toronto, On, Ca

- Developed a Product Similarity model for text data and images using CNN and Doc2Vec models.- Analyzed and predicted the shipping cost and free shipping effects on sales.- Conducted analysis and reported on the millennial population and location in Canada Census 2016, and E-commerce conversion rates and sales transactions with diverse dimensions and metrics.- Developed E-commerce analysis tools (Web application) with Google Analytics API and Python(Django).- Built a Sentiment Analysis system for Facebook and Twitter comments using BiLSTM

Montreal, Quebec, Ca

Acquired by Microsoft.- Developed an NLU (Natural Language Understanding) model with Deep Learning(LSTM) using Keras for implementation.- Built a Dialogue system for LGVoice of LG G5 mobile phone, including State Tracker, Slot fillings, and NLG(Natural Language Generator) for the system.- Developed a search service with Elasticsearch to search English Wikipedia for the Q&A system. Implemented ranking model features such as Link-Probability that utilizes anchor texts, particularly incoming anchor texts.- Utilized Machine Learning models (SVM, CRF) for query classification and named entities extraction in an NLP system. Conducted feature engineering with the entropy of features and used ANTLR to parse and normalize the entities.- Implemented a web crawler in Python to scrape keywords such as movies, actors, and artist names on websites.

Seongnam-Si, Gyeonggi-Do, Kr

- Developed Search and Recommendation projects for NAVER Shopping Search.- Developed the shopping query classifier model for boosting shopping search results in NAVER search engine.- Developed a shopping advertisement keyword recommendation system using search logs. Analyzed information on products and recommended relevant shopping advertisement keywords using search logs.- Developed a ranking algorithm in retail search engine with the category click probability via search logs and click logs. Made a score that is how many the query's clicks have occurred in each category given by-products.

성남시, 경기도, Kr

- Led and supervised a team of junior engineers, providing education and training in Agile and TDD methodologies.- Developed software using Scrum, including daily scrums, sprint reviews, and retrospectives.- Utilized pair programming and worked on code coverage for unit tests.- Designed and developed Requirement Management and UML Modeling tools using EMF, GMF, and JAVA.

Seoul, Kr

- Created a BAM (Business Activity Monitoring) system, implementing dashboards with Adobe Flex and JAVA for activity monitoring.- Utilized the SOA framework to integrate activity data from various systems.- Developed a BPM (Business Process Management) system using Eclipse plug-ins and GMF for process modeling tools.- Utilized BPMN and BPEL in the development of the system.

Master'S Degree, Computer Engineering

Bachelor'S Degree, Computer Engineering