
Saab Kadivala
Bringing Your Ideas to Life with Code and Creativity
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Oracle PL/SQL Developer
Tata Consultancy Services
Jul 2022 - Present • 3 yrs 10 mos
Led end-to-end SDLC (Design, Development, Testing, Deployment) for the TCS BaNCS Securities Trading module, supporting high-volume financial transactions. Designed and developed complex PL/SQL packages, procedures, functions, and triggers to implement core trading and settlement logic. Resolved a long-standing 5-year issue involving incorrectly mapped securities by automating configuration and mapping logic, reducing manual correction time by 80%, and ensuring accurate mapping for newly created securities. Built a custom dynamic SQL execution utility to automate execution and storage of complex queries, resulting in a 30% reduction in manual query processing time. Optimized SQL queries, joins, indexes, and execution plans using Explain Plan and performance tuning techniques, improving batch processing speed by 35%. Ensured 99.9% system uptime by implementing robust exception handling, transaction control, and data integrity checks. Resolved 200+ critical production issues by debugging complex PL/SQL code and optimizing backend logic, improving application stability and client satisfaction. Collaborated with UI/UX, QA, and business teams to integrate backend PL/SQL logic with frontend applications and ensure end-to-end data consistency.