Portfolio
Portfolio
Representative AX methodology references across public, enterprise, and startup sectors.
Public Institution A — AI Citizen Service Automation System
Duration Jun 2025 – Nov 2025
Tech Stack Python · FastAPI · LLM · PostgreSQL · G-Cloud
Automated intake, classification, and response for 50,000 monthly citizen inquiries. 70% reduction in processing time, 24/7 unmanned operation.
- 70% reduction in processing time
- 24/7 unmanned operation achieved
- 60% reduction in staff workload
Enterprise C — Workflow Automation Platform
Duration Mar 2025 – Jul 2025
Tech Stack Next.js · Python · OpenAI API · PostgreSQL · AWS
Automated sales and financial report generation, ERP-integrated AI data analytics dashboard.
- 200 hours of work saved per month
- 90% reduction in report generation time
- ERP real-time integration implemented
Professional Services Firm E — Branding Website
Duration Jan 2025 – Feb 2025
Tech Stack Next.js · TypeScript · PostgreSQL · Vercel
Delivered in 3 weeks. SEO optimization, multilingual support, and admin CMS included as standard.
- Lighthouse score 94
- Google indexed within 2 weeks
- 300% increase in monthly inquiries
Company G — B2B SaaS Management Platform
Duration Oct 2024 – Jan 2025
Tech Stack Next.js · Node.js · PostgreSQL · Stripe · AWS
Multi-tenant SaaS MVP. Includes subscription billing, access control, and dashboards.
- MVP launched in 3 months
- 20 paying clients within 1 month of launch
- 99.9% uptime achieved
Local Government B — Administrative Data Integration Platform
Duration Jul 2024 – Dec 2024
Tech Stack Java Spring · PostgreSQL · Redis · G-Cloud
Real-time integration of 7 heterogeneous departmental systems. 99.8% data consistency achieved.
- 7 systems integrated in real time
- 5x improvement in data processing speed
- 40% reduction in operating costs
Startup D — Internal AI Assistant
Duration Sep 2024 – Nov 2024
Tech Stack Python · LangChain · Claude API · PostgreSQL · pgvector
RAG assistant based on 500 internal documents. Reduced new employee onboarding time.
- 50% reduction in onboarding period
- 92% document search accuracy
- 80% daily active user rate
* Client names and logos are kept confidential. Detailed materials are available under NDA.