JunSoft
Enterprise AI Architect

IdesignenterpriseAI,andbuilditmyself

With 24 years of engineering, I architect LangGraph·RAG multi-agent systems and have shipped 14 AI apps to the App Store.

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LG U+S-OilSKKPMGCourseraEnterprise AI Architect
PROJECTS

Flagship Enterprise AI Projects

2025Enterprise AI

LG U+ — Tax AI

11 tax agents orchestrated with LangGraph & RAG

End-to-end automation from SAP ledgers to tax adjustment statements

11 Tax AgentsGrounded RAGMulti-Agent Orchestration
2024Enterprise AI

S-Oil — AIM

AI material master standardization with OCR & RAG

Auto-extract & normalize material specs from 100p+ vendor PDFs, 40x faster similarity

40x throughputOCR extractionPage-level RAG
2023Computer Vision

SK — Cymera

On-device CV camera engine with Metal/CoreML

Real-time Segmentation·GAN·Super-Resolution filters, OpenGL ES→Metal

Millions of downloadsMetal/CoreML accel.Real-time CV
AI APPS

14 AI Apps, Built Solo

Products shipped to the App Store — from concept to development, release, and ASO, full-cycle by one engineer

TECH STACK

Tech Stack

Full-stack capability with both breadth and depth — from AI/ML to mobile, backend, and cloud

AI · LLM · Agent

LangGraphLangChainOpenAIClaudeBedrockRAGpgvectorChromaDB

Computer Vision · On-device AI

PyTorchTensorFlowCoreMLMetalOpenCVPaddleOCRVision

Mobile

SwiftSwiftUIObjective-CKotlinAVFoundationfastlane

Backend · Cloud

PythonFastAPINode.jsNext.jsPostgreSQLRedisCeleryAWSAzureDocker
CAREER

24 Years of Engineering

From embedded and mobile, through computer vision, to enterprise AI

2025 — Present

Inspire Partners

Head of AI Lab · AI Architect

  • LG U+ Tax AI Agent design
  • S-Oil AIM material standardization
  • Multimodal LLM R&D
2022 — 2025

SK Communications

Cymera CV · AI Filter Engineer

  • Segmentation · GAN · Super-Resolution
  • Real-time Metal/CoreML rendering
  • OpenGL ES → Metal migration
2017 — 2022

JunSoft Mobile (Founder)

Founder · Mobile/AI Developer

  • Beauty Camera · ₩100M tech guarantee
  • Multiple camera·social·game apps
  • Live Sticker/Filter SDK delivery
2008 — 2017

GraeTek · Snaps · Retrica

Tech Lead · Multimedia/Deep Learning

  • GOM Player Mac/iOS
  • LG U+ video filter tech (₩220M)
  • Image Segmentation·CNN ML
2000 — 2008

Diotek · Sinjisoft · Infraware

Researcher · Embedded/Mobile Engine

  • Online signature verification research
  • GNEX/WIPI mobile VM engine
  • Polaris mobile browser engine
CLIENTS

Worked With

LG U+
S-Oil
SK Communications
Samjong KPMG
GraeTek
LG U+
S-Oil
SK Communications
Samjong KPMG
GraeTek
CONTACT

Get in Touch

Leave your project inquiry, collaboration proposal, or any questions.

OFFICE

Our Office

Head Office

Bldg 106, 60-30 Mokdongnam-ro 2-gil, Yangcheon-gu, Seoul

010-2225-7196

jimmy@junsoft.org

Need to discuss AI adoption or development?

From enterprise AI architecture to mobile app development — feel free to reach out.