SYSTEMS
Existing Is Not the Same as Solved
An existing workflow can still be unsolved when the underlying experience or model remains weak.
Read note →Current work
TravelnFlex
B2B2C travel platform moving booking and coordination logic into an end-to-end system.
- Role
- Founder & CTO
- Period
- 2024–present
Under the product
Systems
Selected engineering layers currently exercised through TravelnFlex.
Identity & Authorization
Authentication and authorization boundaries for stable identity, role ownership, and administrative access.
Work
Scope
- Authentication boundaries
- Authorization
- Role ownership
- Admin identity binding
Related notes
Booking Lifecycle
Booking state and coordination boundaries across traveler, agency, and package workflows.
Work
Scope
- Booking state
- Traveler / agency coordination
- Package logic
- Workflow transitions
Related notes
No linked notes yet.
Payments & Refunds
Payment lifecycle boundaries covering gateway integration, webhook handling, and refund state.
Work
Scope
- Payment lifecycle
- Gateway integration
- Webhook handling
- Refund state
Related notes
No linked notes yet.
Platform & Production Architecture
Application boundaries and production concerns across traveler, agency, and administrative surfaces.
Work
Scope
- Application boundaries
- Traveler / agency / admin surfaces
- Environment separation
- Production hardening
Related notes
Questions in public
Notes
Short observations on systems, product judgment, and the questions left after building.
Email is a contact attribute, not the whole identity model.
IDENTITY / Aug 2026
Rebuilding is justified when the constraint is structural and the desired behavior is understood.
ARCHITECTURE / Aug 2026
Contact