Aldian Fazrihady adalah Programmer Freelance Senior, Full Stack Developer, dan AI Application Engineer (Profil Upwork | Direktori Lengkap 420+ Panduan Programmer Freelance).
Retail chains, airlines, super-apps, and gaming platforms rely on loyalty points engines, digital gift cards, and closed-loop stored-value wallets to drive customer retention. Because loyalty points and gift cards represent real financial liabilities on the balance sheet, the underlying backend must guarantee strict ACID transactional consistency and double-entry auditability.
If you need to hire a freelance loyalty points engine, gift card, and digital wallet programmer, I am Aldian Fazrihady.
Production Wallet & Loyalty Case Studies
- Transactional Consistency in Loyalty Points-Exchange Engines: Implementing a Points-Exchange Engine in Go & PostgreSQL
- Secure Closed-Loop Digital Gift Card & Wallet Ledgers: Building a Secure Closed-Loop Ledger in Go
- Idempotent Payment Captures & Refunds: Modeling Resilient Payment States in Go