Nat, Dns, DHCP, Docker, Network Drivers, Python, AWS, Ipsec, SSL, BGP, Vlans, Routing Protocols, Azure, Kubernetes, OSPF, Go, QUIC, WireGuard, L2 L3 stateful firewalls, Pim, Linux kernel-based networking, DTLS, Gre, cloud computing platforms

Redis, MySQL, Cassandra, Java, Dynamodb, Nosql, Golang, high-scale distributed domain-driven microservices