protocol buffers , Design Patterns, RDBMS, Docker, AWS, Solid Principles, Unit Testing, Api Integration, Sql, Oop, Rest API Development, Distributed Systems, Azure, Event-Driven Architecture, Go-based platforms, HTTP/2, Asynchronous event-driven workflows, GRPC, Microservices Architecture, OHIP OPERA Cloud API, Hospitality PMS Integration, Automated quality practices, Logging and monitoring, CI/CD, ORM technologies