Over my years of requirements engineering experience and business process requirements, specially unified methods.   - Systems business analyst professional with solid understanding of system requirements by designing and analyzing system problems.   - Solid experience in producing formal technical specifications:  - Use Cases, scenarios,   - Flow diagrams, Activity diagrams.   - models based on UML methodology   -Sequence diagram  - business process flow diagrams in BPMN and design pattern.  -BonitaSoft  -NormaliZation   -ERD diagrams  -DLL  -DML  -SQL