• Understanding the requirements of any given module and develop accordingly.• Developed solutions for detecting fraud and leakages for the operator of various Network, Mediation and Billing systems.• Automated the various controls for extracting, transforming and loading the data according to required business logic.• Analyzed the sources and patterns for leakages and frauds in CDRs.• Developed various business logics to handle multiple data flows across systems, ensuring business assurance to our client.• Have worked on XML queries to fetch data.• Responsible for Data migration using SQL loader and PL/SQL code.• Developed web applications for easy configuration of controls.• Design & Development of the Reports for showing the results of business logic.• Client Interaction: support activities, analysis of current issues and plan of action for resolution, requirement gathering for Business.• Analysis and bug fix in PL/SQL/Unix code.• Writing test cases and carrying out manual and functional testing.• Using tools like Paros Proxy for security testing.• Programmed Packages, stored procedures, queries, and triggers on Oracle 11g.