Audio Classification – YAMNet, Face Recognition – w600k r50, Gaze Detection – MediaPipe, Caching Monitoring Redis Kibana, Backend Node.js, Frontend React.js, DevOps CI CD Docker Kubernetes, AI ML model integration, Databases MongoDB PostgreSQL, Messaging Streaming WebSockets RabbitMQ Kafka, Object Detection – YOLO, Spoof Detection – SilentFace, Face Detection – BlazeFace

Redis, Spring Boot, Aws Ec2, Java, Docker, Apache Kafka, PostgreSQL, No Sql, Secure system architecture, Transaction processing systems, PCI-DSS awareness, RESTful API design, Payment gateway integrations, ISO 8583 Payment lifecycle workflows, CI CD pipelines using GitLab