Career Profile

  • Advanced in SPA development with ReactJS and NextJS, proficient in containerization with Docker, and adept at server management using Nginx.
  • Developed canvas drawing tools for a medical image labeling system, enhancing user interaction and data annotation capabilities.
  • Database management expertise with MySQL, PostgreSQL, and MongoDB, ensuring data integrity and performance.
  • Backend development with FastAPI, integrated with Celery for task scheduling, AI model serving/inferencing, and containerization of AI models for scalable deployment.
  • Commitment to code quality and application reliability, demonstrated through testing with Jest and Cypress, and adherence to coding standards with linting tools.
  • Leadership and mentorship showcased at Gachon University’s Biomedical Engineering lab, directing junior developers and facilitating partnerships for medical technology advancements.

Experiences

Full-stack Developer, Researcher

2023.01 – current
Gachon University of Medicine and Science, Biomedical Engineering R&D center, Incheon, Korea
  • Led a team of junior developers, providing mentorship, training, and oversight to foster their professional growth and ensure project standards.
  • Collaborated with external companies to integrate their technologies into our platform, ensuring seamless interoperability and expanding our feature set.
  • Engineered an educational web platform to enhance artificial intelligence learning, incorporating a Docker-based online development environment for accessible and interactive user experiences.
  • Implemented the frontend using Next.js with TypeScript and styled with Tailwind CSS, ensuring a modern and responsive design.
  • Developed the backend services using Next.js API and FastAPI, and established GraphQL as the communication protocol for seamless data exchange.
  • Managed the database architecture with MongoDB for document storage and InfluxDB for time-series data handling.
  • Deployed the entire platform on Docker, optimizing for scalability and ease of updates.
  • Configured Nginx for efficient request routing and load balancing.
  • Set up a comprehensive monitoring suite with Grafana, Prometheus, and Node-exporter to track system performance and user metrics.

Technical Proficiencies:

  • Frontend: Next.js, GraphQL, TypeScript, Tailwind CSS
  • Backend: Next.js API, FastAPI
  • Database: MongoDB, InfluxDB
  • Deployment: Docker
  • Network: Nginx
  • Monitoring: Grafana, Prometheus, Node-exporter

Full-stack Developer, Researcher

2022.06 – 2022.10
Gachon University of Medicine and Science, Biomedical Engineering R&D Center, Incheon, Korea
  • Developed a Next.js web application for medical image segmentation, labeling, and calculation. Utilized a U-net model for image processing, deployed on a GPU server.
  • Managed medical images in DICOM format using Orthanc server integrated into an image viewer behind a Nginx server for CORS requests.
  • The frontend was deployed in Docker containers on AWS servers.
  • Developed a FastAPI-based web server for AI model inferencing, enhancing the system’s efficiency and scalability.
  • Implemented a load scheduler using Celery to manage task queues and a monitoring system with Flower to oversee task execution and resource usage.

Technical Proficiencies:

  • Frontend: NextJS, Redux, Saga
  • Backend: ExpressJS, FastAPI, Socket.io
  • Task Queue: Celery
  • Monitoring: Flower
  • Database: MySQL
  • Deployment: Docker, AWS
  • Network: Nginx
  • Image server: Orthanc
  • Image processing: U-net
  • Demo Video: https://youtu.be/dxHxjgpG3-0

Full-stack Developer, Researcher

2021.09 – 2022.05
Deep Inspection Co. Ltd, Seoul, Korea
  • Developed a sophisticated React web application for detecting rust on reused scaffolding, leveraging GPU servers and a Mask R-CNN-based semantic segmentation model.
  • Implemented REST API for efficient data requests and utilized Socket.io for real-time progress updates from the GPU server.
  • Enhanced user interface with Bootstrap and custom CSS, and developed features for file upload/download, as well as 2D and 3D visualization capabilities.
  • Fortified application security by integrating a JWT token-based authentication system.
  • Managed React state using the Mobx library and employed Mask R-CNN with Dice Loss for precise segmentation and rust area calculation.
  • Authored a scientific paper on the application’s technology, contributing to the field’s literature.

Technical Proficiencies:

  • Frontend: ReactJS, Mobix, Bootstrap
  • Backend: ExpressJS, Socket.io
  • Database: PostgreSQL
  • Image Processing: Mask R-CNN
  • Demo Video: https://youtu.be/j6_R4cZ_sm4
  • Code: https://github.com/aksovius/scaffolding.git
  • Paper: https://doi.org/10.3390/app121910097

Research Assistant

2020.03 – 2021.08
Construction management Lab, Suwon, Korea
  • Spearheaded the development of a concrete crack detection application utilizing the U-net semantic segmentation model, enhancing the ability to identify structural issues in concrete efficiently.
  • Designed and implemented a unique and innovative web system that automated the inspection of construction scaffolding as part of a scientific research project under the Ministry of Land, Infrastructure, and Transport of Korea.
  • Contributed to the development of an intelligent artificial intelligence system equipped with defect detection functionality through the application of semantic segmentation technology.
  • Authored and successfully published a paper in an international SCI journal, based on the research achievements, contributing to the body of knowledge in the field of construction management and artificial intelligence.

Technical Proficiencies:

  • Frontend Development: Streamlit
  • Image Processing: Specialized in U-net architecture
  • Machine Learning Framework: Proficient in TensorFlow
  • Code: https://github.com/aksovius/fms.gitn

Medical Equipment Engineer

2018.01 – 2020.03
Medonica Co. Ltd, Seoul, Korea
  • Expertly assembled and calibrated X-ray and Bone Mineral Density (BMD) systems, ensuring technical precision and operational excellence.
  • Performed delicate soldering of electrical microcircuits for X-ray equipment, demonstrating meticulous attention to detail and commitment to high-quality workmanship.
  • Carried out comprehensive testing on medical imaging devices to validate functionality and adherence to industry standards.
  • Managed calibration of Toshiba X-ray tubes and generators, as well as the installation of Toshiba and Bontech digital detectors, emphasizing accuracy and reliability.
  • Facilitated effective communication between Korean and Russian technical teams during the installation, calibration, and maintenance of medical equipment.
  • Directed the import/export documentation for medical devices, maintaining strict compliance with international trade laws and regulations.

Publications

  • Synthetic Data and Computer-Vision-Based Automated Quality Inspection System for Reused Scaffolding
  • Kim, A.; Lee, K.; Lee, S.; Song, J.; Kwon, S.; Chung, S.
    Appl. Sci. 2022, 12, 10097
  • Development of User Interface for Temporary Structure Quality Evaluation System Based on Multiple Sensing and BIM Model
  • Kim A., Zhu Z., Lee K., Mun T., Kwon S.
    The 26th Winter Conference of Society for Computational Design and Engineering, Korea
  • Automated On-Site Quality Inspection and Reporting Technology for Off-Site Construction (OSC)-based Precast Concrete Members
  • Lee S., Kwon S., Jeong M., Hasan M., and Kim A.
    Proceedings of the 37th ISARC, Kitakyushu, Japan, p 1152-1159, ISBN 978-952-94-3634-7, ISSN 2413-5844, 2020
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