Joohan Lee Email & Phone Number

Los Angeles, Ca, Us

Ridgefield Park, New Jersey, Us

• Architected and implemented backend servers for LLM applications, including: > Banking-specific application enabling policy guidance for banking professionals and streamlining document review. > Sales analytics application supporting data visualization and trend analysis.• Designed and developed a scalable RAG backend system as SaaS to support web applications.

Fort Lee, New Jersey, Us

• Designed and implemented RESTful APIs for the ERP system that improved operational excellence for logistics data management.• Utilized Next.js, React, and TypeScript to implement business module pages for logistic data management.

Los Angeles, Ca, Us

• Built an LM-based on-device AI communication framework using Tensorflow to simulate the physical layer communications on a Linux server.• Applied vector quantizing knowledge into the AI communication system resulting in 10% noise-robustness and 50% compression for transmission size.• Developed a PyTorch-based channel (pathloss) prediction framework to efficiently train deep learning models and improved model accuracy by 18% through model optimization, fine-tuning, and data augmentation.

Buffalo Grove, Illinois, Us

• Led the conceptualization, design, and implementation of a dynamic website utilizing React and integrating AWS Lambda, AWS Amplify, AWS CloudFront, AWS Route 53, and AWS S3.• Developed a user-centric platform enabling efficient access to IoT device information while empowering customers to submit accurate quotations.

Los Angeles, Califonria, Us

• Taught the course, Introduction to Artificial Intelligence, in USC IMSC SW Pioneer summer program for undergraduate students• Hosted lab sessions and taught students how to implement data structures, A* search, and kNN algorithms and use scikit-learn for Naïve Bayes classifier and MLPRegressor model

Seoul, Kr

• Developed and maintained automation of tens of business processes that use digital systems such as CRM, WMS, ERP, etc.• Improved development productivity by developing JSON standard interface for Brity RPA.• Automated SAP BC/BW server monitoring (for 12 servers of 7 companies) by scraping, processing, and reporting data.• Led projects successfully end-to-end including designing digital transformation and automation, developing automation, and communicating with stakeholders of projects.

Seodaemun-Gu, Seoul, Kr

• Assisted with graduate students' research and studied on recommendation systems and medical data analysis and data management.• Studied recommendation systems with collaborative filtering and machine learning especially based on similar sequence matching and how to enhance the performance of recommendations.

Seodaemun-Gu, Seoul, Kr

• Taught Course: YHL1026, Internet Use • Plan and lead weekly make-up classes for students to deepen their understanding of the material

112 Strike Force

• Increased efficiency for managing clients by establishing and developing a CRM(Customer Relationship Management) system to manage customers’ information, financial items, etc. based on the Web.• Implemented web pages to register, view, modify, or delete the information of financial consultants and items from CRM system.

Master Of Science - Ms, Computer Science

Bachelor Of Engineering - Be, Computer Engineering