I am passionate about technology innovation and creating software solutions for hard problems. I have worked 20+ years leading, designing, and building software products, consulting, and teaching at the University. I have designed and delivered key system software components for Enterprise companies like Workday and Oracle, which include transactional query engine, scaling indexing services for query and search, in-memory DB specially in caching and memory management, Identity Management, HA, JDBC network protocols, and diagnostics/logging. As an entrepreneur I have built and managed teams to develop web applications, eCommerce portals, Video Game 3D graphics and Cause marketing platform. M.S. from Carnegie Mellon and Certificate from UCSC. Bilingual.Experience Highlights• Scaling Indexing services for in-memory optimized transactional query and search engines • In-Memory DB and Transactional server, for multi-tenant SaaS platform• Delivered different types of software systems, from network protocols in Java and C, to Rails Web Applications. Involved in all phases of software development from architecture, to coding, to release.• Coordinated internal groups to refactor and unify specific cross-division features (Evangelist)• Presented architecture and engineering proposals to management and internal teams• Presented business proposals to external stake-holders (customers, partners, investors)Specialties: Software architecture and development (OO Design,patterns, MVCC, Transactional and Distributed systems, Multi-tier, Multi-threaded, Java/Scala).Distributed Systems: • MVCC and Transactional systems• Security (SSO and cryptography) • High Availability• Networking (JDBC, Network Protocols, HTTP, TCP/IP, CORBA)• Unix network programming in Java and C (Sockets, client-server)• Apache Mods and JEE System Servlet Filters/Beans • Diagnostic/logging frameworks and tracing toolsWeb Applications (Ruby, Rails,Javascript, AJAX,JQuery,MySQL,AmazonWS,REST).Video streaming and online advertising.