Client Work ·
Shipping Label Platform
A web platform for purchasing discounted USPS shipping labels — up to 70% off retail rates with instant PDF delivery.
Architecture Highlights
- Hook-driven side effects: All complex business logic (transaction creation, balance updates, referral commissions, notifications, refunds) is triggered through Payload collection hooks rather than manual orchestration, keeping the codebase declarative and consistent.
- Server Actions with Zod validation: Every mutation goes through a validated server action that returns structured
{ success, error, message }responses. - Atomic metric updates: User financial counters are updated with delta operations through a centralized utility, preventing race conditions and ensuring data consistency.
- Edge-native deployment: The entire stack runs on Cloudflare’s edge network — D1 for data, R2 for files, Analytics Engine for metrics, Workers for compute.
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