About Me

Hi, I'm Ej Caliwag, an AI Engineer & Software Engineer passionate about building intelligent, scalable solutions that make a difference.

I have experience in machine learning, backend and frontend development, and love working on projects that blend creativity with technology. I value clean code, great design, and impactful results.

My Journey

A chronological overview of my educational and professional journey

Assistant Manager, ML Engineer

Tridge - Backend Department AI Team

South Korea

April 2025 – Present

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 ModelsNews ClassificationAlgorithm OptimizationBackend DevelopmentSystem Performance

Lead AI/Software Engineer

Tricubics - Research & Development (R&D)

South Korea

March 2024 – March 2025

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.

YOLOv8Object DetectionTensorRTMobileNetV3ByteTrackDeepSORTDockerKubernetesZeroMQMongoDB

AI Engineer

Data Design Engineering

South Korea

October 2022 – February 2024

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.

PythonDeep LearningComputer VisionAWSDockerApache AirflowPostgreSQLMongoDB

Mechatronics Engineer (Intern)

Tinywave

South Korea

October 2022 – December 2022

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

ArduinoIoTPythonData VisualizationUbuntuDatabase Management

AI/Software Developer

AIDEA Corporation Philippines

Philippines

March 2022 – November 2022

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.

PyTorchComputer VisionFace DetectionSmart Systems

Master's in Electronics Engineering

Kumoh National Institute of Technology

South Korea

March 2020 – February 2022

Thesis: Edge-Cloud Computing on Multi-Domain Applications

GPA4.32/4.5
Research on edge computingPublished papers in international journalsLaboratory Research Assistant

Laboratory Research Assistant

Kumoh National Institute of Technology - Future Communications and Systems Laboratory

South Korea

February 2020 – February 2022

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.

ArduinoAWSMATLABMachine LearningEdge ComputingNVIDIA JetsonRaspberry Pi

Tech/System Support Analyst

IQVIA Philippines

Philippines

November 2019 – January 2020

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

Oracle DatabaseSystem TestingData Management

Bachelor's in Information Technology

STI College Caloocan

Philippines

June 2015 – May 2019

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

GPA3.70/4.00
Developed full-stack web applicationGmail API integrationDatabase design and implementation
Ej Caliwag | AI Engineer & Software Engineer Portfolio