Karaa Kamaran

Contributed to development and maintenance of card issuing and transaction processing middleware for secure, high-volume financial operations and real-time transaction flows. Built an AI-powered KYC onboarding pipeline integrating document detection, ID/passport verification, OCR validation, and liveness checks. Implemented asynchronous, event-driven workflows using Celery, Redis, and RabbitMQ to improve throughput and reduce API latency. Optimized PostgreSQL performance with advanced querying, indexing, and transaction workload optimization. Participated in distributed system architecture discussions, code reviews, and Agile/Scrum processes.