Experience

Experience & education

My roles across applied AI, computer vision, software engineering, and research.

  1. April 2025 – Present

    Assistant Manager, ML Engineer

    Tridge - Backend Department AI Team · South Korea

    As an Assistant Manager on the AI Team within the Backend Department at Tridge, I am developing a news classifier leveraging large language models (LLMs). My work involves testing multiple versions of the model and implementing algorithms to enhance processing speed. I also contribute to improving the overall performance and efficiency of company systems.

    • Large Language Models
    • News Classification
    • Algorithm Optimization
    • Backend Development
    • System Performance
  2. March 2024 – March 2025

    Lead AI/Software Engineer

    Tricubics - Research & Development (R&D) · South Korea

    Oversee end-to-end service management for the unmanned vending machine system, including team progress tracking and scheduling. Designed and maintained DevOps processes using Docker and Kubernetes to support system updates and modifications. Applied YOLOv8 for object detection, optimizing performance with TensorRT; used MobileNetV3 for classification tasks. Implemented object tracking algorithms based on ByteTrack and DeepSORT. Developed a decision-making algorithm leveraging a 'frame zone' approach to enhance system intelligence. Integrated ZeroMQ for lightweight messaging protocol support. Added optional MongoDB integration for storing external transaction data.

    • YOLOv8
    • Object Detection
    • TensorRT
    • MobileNetV3
    • ByteTrack
    • DeepSORT
    • Docker
    • Kubernetes
    • ZeroMQ
    • MongoDB
  3. October 2022 – February 2024

    AI Engineer

    Data Design Engineering · South Korea

    Image segmentation using U-Net architecture. Collaborate on writing algorithms as well as training a YOLOv5 and YOLOv7 model for book spine detection. Develop, train, and deploy a face detection model to an embedded board developed by KT&C. System automation and data pipeline handling using Apache Airflow, Docker, and AWS. Writing of Python scripts for crawling purposes. Database management including PostgreSQL and MongoDB.

    • Python
    • Deep Learning
    • Computer Vision
    • AWS
    • Docker
    • Apache Airflow
    • PostgreSQL
    • MongoDB
  4. October 2022 – December 2022

    Mechatronics Engineer (Intern)

    Tinywave · South Korea

    Arduino-based IoT implementation for factory manufacturing using IR sensor. Data visualization using Python. Database and Ubuntu server management.

    • Arduino
    • IoT
    • Python
    • Data Visualization
    • Ubuntu
    • Database Management
  5. March 2022 – November 2022

    AI/Software Developer

    AIDEA Corporation Philippines · Philippines

    Trained a Face detection algorithm with multiple key points using torch. Develop a proposal flood monitoring project. Participate in Smart Farm and Smart Streetlights projects on the computer vision field.

    • PyTorch
    • Computer Vision
    • Face Detection
    • Smart Systems
  6. March 2020 – February 2022

    Master's in Electronics Engineering

    Kumoh National Institute of Technology · South Korea

    GPA: 4.32/4.5

    Thesis: Edge-Cloud Computing on Multi-Domain Applications

    • Research on edge computing
    • Published papers in international journals
    • Laboratory Research Assistant
  7. February 2020 – February 2022

    Laboratory Research Assistant

    Kumoh National Institute of Technology - Future Communications and Systems Laboratory · South Korea

    Arduino-based IoT implementation. Cloud-based data processing for battery management system (BMS) and computer vision using AWS. Microcontroller coding with MATLAB Simulink and Arduino IDE. Data visualization using AWS Quicksight. Data streaming, storing and processing on AWS. Edge computing using Jetson NVIDIA devices, and Raspberry Pi. Application of machine learning for face detection, object detection and emotion recognition. Application of machine learning for face detection and image processing of thermal camera images. System development for real-time multimodal emotion recognition. Integration of wireless communication modules such as WiFi and LTE to a system. Patent writing, preparation and application.

    • Arduino
    • AWS
    • MATLAB
    • Machine Learning
    • Edge Computing
    • NVIDIA Jetson
    • Raspberry Pi
  8. November 2019 – January 2020

    Tech/System Support Analyst

    IQVIA Philippines · Philippines

    Support Back-end Data Management. System testing and analysis. Oracle Database interface and familiar.

    • Oracle Database
    • System Testing
    • Data Management
  9. June 2015 – May 2019

    Bachelor's in Information Technology

    STI College Caloocan · Philippines

    GPA: 3.70/4.00

    Thesis: Costiera: Online Hotel and Resort Reservation with Gmail Integration Log-in

    • Developed full-stack web application
    • Gmail API integration
    • Database design and implementation
Explore my work →
EJ Caliwag | AI Engineer — Applied AI & Backend Systems