With 20+ years experience working with Fortune 500 corporations in the areas of database modelling, NoSQL, bigdata, OOP modelling and programming, my services can be summarised as follows: (1) RDBMS/NoSQL database design, modelling, and management in Oracle, PostgreSQL, Hardoop, and MongoDB, including GIS systems. Sectors of competence: finance, insurance/reinsurance, oil & gas, retail, and supply chain distribution.