protocol buffers , Java, Golang, Tcp, Networking, Kafka, Json, Http, Redis, MySQL, Data Structures And Algorithms, Xml, Python, LangChain, multi-agent frameworks, retrieval-augmented backend architectures, function execution, massive concurrency handling, LangGraph, LLM tool calling, caching mechanisms, distributed systems performance tuning, agentic AI paradigms

Pytorch, Docker, Node.js, Kubernetes, Python, SQL and NoSQL databases