Assem Saad

• Designed and shipped platform features focused on pricing, billing, and ticket sales workflows.
• Built dynamic pricing capabilities to automatically adjust event and venue prices based on demand and supply conditions.
• Developed an auctions feature for ticket sales, enabling competitive bidding flows for selected inventory.
• Implemented usage-based billing to support flexible charging models based on actual platform consumption.
• Worked across Go, React, Node.js, PHP, Docker, MongoDB, and Redis.

• Built merchant integration features tailored to financial and operational requirements across the payment platform.
• Architected and delivered ZATCA Phase 2 integration for Saudi-based merchants across the PayTabs platform.
• Designed and implemented InstaPay as a payment channel on the PayTabs platform.
• Delivered white-label payment gateway integrations for enterprise clients on top of PayTabs infrastructure.
• Improved internal portals through backend enhancements and UI component updates.
• Contributed to systems using Go, Node.js, MySQL, SQL Server, Redis, JavaScript, and gRPC.

• Introduced Go for core backend services to strengthen performance and service architecture.
• Introduced Kafka to support event-driven architecture across platform workflows.
• Built an operations portal for system management, transaction tracking, agent monitoring, and reporting.
• Built bank and agent portals supporting deposits, withdrawals, and onboarding flows for consumers and SMEs.
• Worked across Node.js, React, Go, TypeScript, MongoDB, Java, Kafka, and Redis.