System archive / 04 cases
Systems designed for production.
Production systems shaped by operational constraints, product goals, and the need to remain understandable after launch.
- Archive state
- Online
- Domains
- AI / Web / Infra
Filter / system class
SYSTEM / ONLINEAuditable PDF table extractionCASE / DOCU
Made every extracted table value traceable back to the exact characters on the page it came from.
- 01Upload
- 02Extract
- 03Normalize
- 04Verify
- Python
- FastAPI
- SQLAlchemy
- PostgreSQL
- PyMuPDF
SYSTEM / ONLINEMulti-agent desktop assistantCASE / UBIK
Automated executive workflows across email, meetings, and scheduling.
- 01Intent
- 02Planner
- 03Tools
- 04Action
- Python
- FastAPI
- SQLAlchemy
- PostgreSQL
- Electron
SYSTEM / ONLINEEvent-driven document intelligenceCASE / DOCU
Processed incoming business documents asynchronously without blocking the product experience.
- 01Webhook
- 02Queue
- 03OCR
- 04Classify
- Python
- Next.js
- Redis
- Dramatiq
- PostgreSQL
SYSTEM / ONLINESubscription paymentsCASE / BRAN
Migrated the payment system from Stripe to PayPal while preserving customer access.
- 01Checkout
- 02PayPal
- 03Webhook
- 04Access
- Next.js
- tRPC
- Drizzle ORM
- Stripe API
- PayPal API
SYSTEM / ONLINEPersonal product and writing platformCASE / DEVE
Created a fast, searchable home for engineering work, open source, and technical writing.
- 01Content
- 02Build
- 03Edge
- 04Observe
- Next.js
- TypeScript
- Three.js
- GSAP
- Tailwind CSS