Zipay - Backend Engineer

Architecture & Engineering

• Led the end-to-end development of a donation platform, covering system architecture, backend services, and infrastructure decisions
• Designed and implemented scalable backend services to support real-time donation flows and high concurrency
• Optimized backend performance by improving database queries and restructuring critical service flows

Payment Integration

• Built and maintained integrations with payment gateways (QRIS, virtual accounts, etc.) using REST APIs
• Developed webhook-based architecture for reliable asynchronous payment processing
• Improved transaction success rate by optimizing validation and retry mechanisms in payment processing flows

Reliability & Observability

• Ensured system reliability through idempotent processing, retry mechanisms, and transaction reconciliation
• Established logging and monitoring strategies to enhance system observability and debugging

Leadership & Delivery

• Translated business and product requirements into scalable technical solutions and system design
• Acted as a bridge between technical and non-technical stakeholders to align product direction and execution
• Managed feature prioritization and oversaw project delivery to meet business objectives
• Contributed hands-on to backend development while leading overall technical direction