I have lead numerous companies practice and introducing the overall technical vision. Migrating them to micro services, cloud deployments (AWS, Azure, GCP), and IMDG. Specialties: Hazelcast, Distributed Systems, Large-scale system design, Caching, In-Memory Data Grids, NoSQL, Stream & Batch Processing, Concurrency, Scalability, High Availability, Big Data, Cloud, Java, JVM.