— 01 / System
Software Development
Custom systems
Core business systems, web apps, and internal tools—from discovery through operations, end to end.
02 / Services
Services
JUSTWIT WORKS specializes in business automation and efficiency. I offer solutions including RPA, scraping, and app development to streamline your operations.
Four disciplines rooted in real operations—deeply and for the long term.
— 02 / RPA
Process Automation
RPA & automation
Replace repetitive work with code—Excel, web, and legacy systems bridged to give people their time back.
— 03 / DX
Operations Design
DX & operations
I go on-site, observe workflows, and find bottlenecks—design before tools, shipping the work myself.
— 04 / AI
Applied AI
AI & LLM
LLMs embedded in real workflows—internal RAG, doc generation, semi-automated support, and more.
What I Offer
App Development
I develop web applications using modern tech stacks including Next.js, React, TypeScript, and Python (Flask, FastAPI, Django).
Challenges
- • SNS and TV/News have very different perspectives on the same events
- • No way to quantitatively measure the temperature gap in public opinion
- • Need to visualize the divergence in viewpoints between media
Solution
- • Automated data collection from SNS (X, Instagram) and TV/News
- • Sentiment analysis and topic analysis implemented
- • Real-time gap score calculation and visualization
- • Fast dashboard built with Next.js + TypeScript
Results
- • Topic-specific gaps visible at a glance
- • Visual display of sentiment distribution differences
- • Weekly and monthly trend analysis enabled
- • Supports data-driven decision making
Development Process
1
Requirements
Define media gap visualization requirements
2
Data Collection
Retrieve data from SNS API and News API
3
Analysis
Implement sentiment and topic analysis algorithms
4
Visualization
Display gaps visually on the dashboard
5
Operations
Regular data updates and analysis delivery
- ✓Web Application Development
- ✓Frontend & Backend Development
- ✓API Design & Implementation
- ✓Database Design
- ✓Real-time Data Processing
- ✓Data Visualization
Website Development
I build corporate websites and service introduction sites.
Challenges
- • Need to effectively communicate company information
- • Want to clearly introduce services
- • Need a site with proper SEO
- • Mobile compatibility is essential
Solution
- • Modern website built with Next.js and React
- • Responsive design for all devices
- • SEO optimization and performance improvement
- • Infrastructure setup on AWS/Azure
Results
- • Site that effectively communicates company information
- • Improved search engine ranking
- • Comfortable browsing on mobile
- • Easy-to-manage admin panel
Development Process
1
Requirements
Organize company/service info and define requirements
2
Design
Site structure and design planning
3
Development
Coding and feature implementation
4
Testing
QA and SEO optimization
5
Launch
Go live and continuous improvement
- ✓Corporate Websites
- ✓Landing Pages
- ✓AWS/Azure Infrastructure
- ✓Responsive Design
- ✓SEO Optimization
- ✓API Integration
Business Automation
I automate repetitive tasks and improve business efficiency with UiPath, Power Automate Desktop, Python scraping, and more.
Challenges
- • Time-consuming repetitive daily tasks
- • Human errors occur frequently
- • Huge data collection and entry workload
- • Want to redirect human resources to other tasks
Solution
- • RPA robot development with UiPath
- • Automated data collection with Python scraping
- • Workflow automation with Power Automate Desktop
- • Error handling and logging implemented
Results
- • Reduced work time by over 80%
- • Near-zero human errors
- • Automated execution 24/7, 365 days
- • Staff can focus on higher-value tasks
Development Process
1
Analysis
Analyze the workflow to be automated
2
Design
Design RPA robot behavior and error handling
3
Development
Implement automation scripts with UiPath/Python
4
Testing
Test and adjust in actual environment
5
Operations
Run in production and continuous improvement
- ✓UiPath Development
- ✓Power Automate Desktop
- ✓Python Scraping
- ✓Data Collection & Analysis
- ✓Workflow Automation
- ✓Error Handling
Other Services
I can handle general PC-based administrative tasks.
Challenges
- • Understaffed and operations are struggling
- • Tasks keep increasing
- • No time for core business activities
Solution
- • Substitute with dedicated personnel
- • Request only what you need, when you need it
Results
- • Focus on non-routine business tasks
- • Improved core business productivity
Development Process
1
Consultation
Review tasks and challenges
2
Planning
Define the scope of work to be substituted
3
Start
Begin work substitution
4
Reporting
Work completion report
5
Improvement
Improve as needed
- ✓Data entry and organization
- ✓Document creation and formatting
- ✓Email handling and schedule coordination
- ✓Excel / spreadsheet work
- ✓Web research and information gathering
- ✓Other PC-based administrative tasks (contact us)
Contact & Quote
Feel free to reach out with any questions about my services or to request a quote.
Contact Form