Juan聽Crossley
Principal Consulting Engineer at O4IT
Greater Madrid Metropolitan Area Spain
Summary
馃懁
Senior馃帗
Top SchoolJuan Crossley is a Principal Consulting Engineer with 13+ years building enterprise-grade systems, currently advising customers at MongoDB and O4IT from the Greater Madrid area. He blends hands-on C++ and Java architecture with pragmatic cloud and database expertise, having delivered JEE/.NET three-tier BPM systems, enterprise medical and insurance platforms, and high-performance financial tools. A seasoned software architect and former engineering manager, he has led product redesigns for scalability and introduced RUP and design-pattern-driven processes across teams. Juan is the creator of djondb, an open-source C++ NoSQL document store, and the djon time tracker, demonstrating a persistent drive to solve infrastructure and productivity problems outside of day-to-day consulting. He holds multiple certifications including Sun Certified Enterprise Architect and brings deep familiarity with MS SQL Server, Oracle and varied RDBMS-to-NoSQL migrations. Colleagues rely on him for turning complex requirements into robust, production-ready systems.
13 years of coding experience
20 years of employment as a software developer
Ingeniero Informatico, Computer Software Engineering, Ingeniero Informatico, Computer Software Engineering at Fundaci贸n Universitaria Cat贸lica del Norte
Spanish, English
Github Skills (1)
golang1
Github contributions (4)
crossleyjuan/djondb
Sep 2012 - Mar 2013
Contributions:2 commits in 5 months
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