Bespokible
Custom product configuration platform and e-commerce checkout engine
Full-Stack Developer
2024
Web Application
Production
The Operational Problem
Standard off-the-shelf e-commerce platforms fail when products require multi-dimensional customer inputs (custom dimensions, materials, finishes, and engraving text) where every selection alters the manufacturing cost and production schedule.
Engineering Approach
Architected an extensible configuration state machine on the frontend paired with server-side pricing rule verification to guarantee that submitted orders always match validated pricing logic before charging customer cards.
Key Implementation Decisions
Deterministic Price Engine
Created a shared TypeScript calculation library used on both client (for instantaneous UI feedback) and server (for immutable checkout verification before payment intent creation).
Drizzle ORM & PostgreSQL Schema
Modeled complex hierarchical product options with typed JSONB attributes for custom personalization parameters without compromising relational integrity.
Webhook-Driven Order Processing
Built idempotent Stripe webhook handlers that automatically transition orders from pending to production queue upon verified payment confirmation.
Architecture & System Highlights
Verified Outcomes & Impact
- Eliminated pricing discrepancy errors between customer checkout and factory invoicing
- Provided buyers with a smooth, responsive configuration experience on mobile devices
Technologies & Libraries
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