Case studies / 2021–2026

We build AI agents on our experience
with core national systems.

Since our founding we have delivered projects across five fields: global e-government, public sector, healthcare, AI and enterprise. From operating the National Tax Service's NTIS, Samsung Electronics' Korea PHR data interface, and LLM, RAG and AI agent platforms for KISTI, to Algeria's customs information system: core systems for public institutions and major enterprises, delivered within contract terms.

Cases / Global e-government

National-scale systems
built abroad.

Developed the portal, EWACS, clearance, revenue and cargo modules of Algeria's customs information system.

GLB-01

Algeria e-Customs System Build and Local Deployment

Client — Algerian Customs (DGD) · Feb 2022 – Feb 2024

Built next-generation e-customs infrastructure for Algerian Customs based on Korea's UNI-PASS model and handed it over to the local operations team. Senior engineers led the design and development of the customs portal and the EWACS, cargo, clearance, and revenue modules.

  • e-Customs
  • UNI-PASS
  • Portal
  • EWACS
  • Gov SI
  • North Africa

Cases / Public sector

Trusted with core
national systems.

Built and operated administrative and research systems for the National Tax Service, the Korea Fair Trade Commission, NAQS and the National Research Foundation.

PUB-01

Next-generation National Tax Integrated System (NTIS) — Operations & Maintenance

Client — National Tax Service · Nov 2024 – Dec 2025

Staffed top-tier engineers on-site for NTIS, the core system of Korea's tax administration, and kept its Class II domain running without interruption.

  • NTIS
  • Tax Administration
  • Operations & Maintenance
  • Gov SI
  • Top-tier engineers

PUB-02

Consumer Information System Authentication Upgrade

Korea Fair Trade Commission · Aug 2023 – Dec 2023

Improved the authentication features of a nationwide consumer-protection support system.

  • Public Portal
  • Authentication
  • Web SI

PUB-03

Agri-Food Quality Inspection System Rebuild

National Agricultural Products Quality Management Service · Jul 2024 – Dec 2024

Rebuilt the information system that manages agri-food quality inspection procedures (main + add-on contract).

  • Quality Inspection
  • Agri-Data
  • Re-build

PUB-04

KRI SCI Paper Verification Upgrade

National Research Foundation (direct contract) · Jun 2022 – Jul 2022

Directly improved SCI paper-verification features for KRI (Korea Research Information), contracted directly through KONEPS (Nara Marketplace), Korea's e-procurement system.

  • KRI
  • SCI
  • Direct KONEPS contract

PUB-05

University Research Activity Survey — Patent Count Feature

National Research Foundation (direct contract) · Mar 2022 – May 2022

Added a patent-registration count feature to a nationwide university research activity survey, under direct contract.

  • Research Statistics
  • Patent Count
  • Direct Contract

Cases / Healthcare

Handling medical data
safely.

Built and operated healthcare data platforms with the National Cancer Center, Konyang University Hospital, Samsung Electronics (Korea PHR), the Armed Forces Medical Command and more.

HC-01

Samsung Korea PHR Cloud Data Interface — Build & Operate

Client — Samsung Electronics · Jan 2025 – Dec 2026 (ongoing)

Built the cloud data interface for Samsung Health's PHR service and have owned its operations, maintenance, and MyData business system build for multiple years.

  • PHR
  • Samsung Health
  • MyData
  • Cloud API
  • Healthcare

HC-02

Korea PHR Operations & MyData System

Samsung Electronics · 2026 · Ongoing

Providing PHR service operations and maintenance plus the MyData business system build under an annual contract.

  • PHR
  • MyData
  • Operations

HC-03

Cloud Medical Data Platform Upgrade

Gwangju Technopark · Apr 2024 – Jan 2025

Upgraded a cloud-based integrated medical-data platform (OpenLab) and improved its data-extraction features (main + extension).

  • Medical Data
  • Cloud
  • OpenLab

HC-04

K-Health Data Safe Zone Portal

Konyang University Hospital · Nov 2023 – Feb 2024

Built the K-Health data safe zone portal (OpenLab) for securely analyzing de-identified medical data.

  • Data Safe Zone
  • De-identification
  • OpenLab

HC-05

KOCAS Ecosystem Research Portal

National Cancer Center · May 2025 – Jul 2025

Built an integrated research portal (year 2) that supports collaboration among cancer researchers and shared research data.

  • Research Portal
  • Oncology
  • KOCAS

HC-06

Military-wide Infectious Disease Surveillance System

Armed Forces Medical Command · Jun 2025 – May 2026

Built an information system supporting military-wide infectious-disease surveillance and response (main + extension).

  • Disease Surveillance
  • Public Health
  • Defense

Cases / AI and LLMOps

Putting LLMs and agents
to real work.

LLMOps and agent projects for KISTI, quality-prediction AI for EcoPro, and our in-house Bailey RAG.

AI-04

AI Agent Toolkit Pilot for Scientific Research Automation

Korea Institute of Science and Technology Information (KISTI) · Jul 2026 – Nov 2026 (ongoing)

An installable, air-gapped research platform that structures documents, extracts text, tables, images and formulas, and connects LLM, VLM, RAG and agent modules through a standard API.

  • AI Agent
  • LLM · VLM
  • RAG
  • On-Premise

AI-05

LLMOps for the KONI LLM and RAG System

KISTI · Aug 2025 – Dec 2025

Built training-data generation and preprocessing for a science-specialized LLM, LLMOps platform features, and an AI agent development and deployment platform with an installable agent client.

  • LLMOps
  • RAG
  • AI Agent
  • GPU

AI-06

Encrypted Network Traffic Training and Test Platform

KISTI · Aug 2025 – Dec 2025

Analyzed, designed and developed a platform for training on and testing encrypted network traffic.

  • AI Training Platform
  • Network Security

AI-03

Bailey RAG — a Private RAG Platform for Air-Gapped Networks

In-house — CodeBailey · 100% On-Premise

An installable Private RAG platform that indexes internal documents and answers with cited sources. Embeddings, the vector DB, and the LLM all run locally, so no document ever leaves the network.

  • RAG
  • BM25 + Vector
  • Ollama
  • On-Premise
  • STORM

AI-01

LLMOps Platform Development

AI Platform · Jul 2024 – Dec 2024

Built an LLMOps platform with training and serving pipelines and a prompt-operations framework for large language models.

  • LLMOps
  • MLOps
  • AI Infra

AI-02

Battery Electrode Material AI Autonomous Manufacturing

EcoPro · Mar 2025 – Dec 2025

Built an autonomous-manufacturing system that applies quality-prediction AI to the secondary-battery cathode-material process (main + extension).

  • Manufacturing AI
  • Quality Prediction
  • Battery

Cases / Enterprise

Upgrading enterprise quality
and production systems.

Developed incoming inspection and outsourcing modules for Hyundai Transys's quality system (TGQMS · TGPS).

ENT-01

Hyundai Transys Quality System (TGQMS · TGPS) — Build & Upgrade

Client — Hyundai Transys · 2022 – 2024 (Phases 1 & 2)

Built and upgraded the quality-management system for a leading Korean auto-parts maker across two phases, delivering an incoming-inspection module, rollout to outsourced assemblers, and strengthened outsourcing functions.

  • TGQMS
  • TGPS
  • Automotive
  • Quality SI
  • Incoming Inspection

Contact

Start agents that work
on your data, today.

Start with a 30-minute consultation on turning your scattered data into agents, and see the impact yourself in a pilot within 2 weeks.

  1. 01Free AI consultingA 30-minute video call to set direction
  2. 02Technical PoCA RAG/LLM pilot within 2 weeks
  3. 03Custom quoteA detailed proposal within 48 hours

help@codebailey.com070-8064-8458