C, Memory Management, Distributed Systems, retrieval concurrency, Database Internals, SQL execution, Indexing, AI retrieval capabilities, storage engines, algorithms for search indexing, query processing, cost-based optimization, distributed execution

Java, Pytest, Gdb, Valgrind, Gcc, Bash, Stl, Linux, Ipc, Vdi, Python, Wayland, sanitizers, blast, production crash triage, multi-threaded programming, scons, Conan, clang, x11, PERF, core dumps