Track record for improving product performance release over release.
Over 14 years of experience building scalable high performance relational and non-relational database systems, with expertise in query optimization, vectorized execution and columnar storage.
Strong HW knowledge, good understanding of the effects imposed by the system at all levels (CPU, memory, network, I/O, OS, queuing effect, storage, database, runtime environment/container, etc.), optimization for multi core , optimization of IO patterns.