Kim Jangwook
Renew day by day!
Welcome to my digital space. Explore my projects, read my tech blog in multiple languages, and discover innovative ideas.
Tech Blog
My Projects
Agent Effi Flow
SvelteKit, Supabase, Google Gemini API, Stripe
AI-powered B2B SaaS for OCR automation. Provides Receipt OCR for Tax Refund and Accounting OCR services targeting Japanese inbound tourism businesses and SME accounting teams.
SSR Survey Analysis
Python, OpenAI API, LLM, Data Science
LLM-based Semantic Similarity Rating methodology for analyzing blog revisit intent. Achieved ICC reliability of 0.833.
Weather Information System
Svelte
A modern weather application built with Svelte framework, providing real-time meteorological data.
Let's Encrypt Domain Checker
Web Tool
A tool for checking and managing Let's Encrypt SSL certificates for domains.
Drone Information Hub
Information Resource
Comprehensive information resource about drones, regulations, and best practices.
Practical Libraries Collection
Developer Tools
A curated collection of practical libraries and tools for professional development work.
Answer Coffee
Nuxt.js
A Nuxt.js-based web application service.
Professional Works
Invoice Management System
Laravel, Vue.js, AWS
An application created to assist freelancers with invoice management.
- • Profile management
- • Billing partner management
- • Invoice management
Dashboard System
Fuel PHP, Laravel, Vue.js, AWS
A comprehensive system that manages company employees, clients, man-hours, sales, and subcontracts.
- • Internal information management
- • Man-hour & billing management
- • Report management
CDP (Customer Data Platform)
Python, Nuxt.js, GCP, AWS
A system that supports the construction of a data warehouse to store client data and enables website personalization.
EFO (Entry Form Optimization)
TypeScript, GCP
A service designed to reduce form-filling user stress and prevent abandonment through intelligent form-filling support.
REMO TAX: Tax-Free Digitalization
Tax-Free Service
A tax-free procedure agency service for retail stores. Simplifies the complex duty-free process through smartphone-based operations.
- • Simple processing: Staff only need to photograph passports and receipts
- • Fast processing: Average 1-2 minutes per transaction
- • Low cost: Initial fee of 10,780 yen, no monthly fees