Job Summary: • We are seeking a Senior Oracle Developer with extensive experience in performance tuning of Oracle PL/SQL packages, procedures, and queries. The ideal candidate will be responsible for designing, developing, and optimizing complex Oracle-based solutions to support high-volume enterprise applications. This role requires deep knowledge of Oracle architecture and hands-on expertise in identifying and resolving performance bottlenecks. Key Responsibilities: • Design, develop, and maintain complex PL/SQL packages, procedures, functions, and triggers. • Perform advanced performance tuning of PL/SQL code, queries, and database structures. • Analyze and refactor poorly performing database code and provide recommendations for improvements. • Collaborate with DBAs, application developers, and system architects to implement best practices for performance and scalability. • Utilize tools like AWR, ASH, SQL Trace, and SQL Plan Baselines to monitor and enhance performance. • Hands on with Informatica ETL work flows • Work closely with business and technical teams to understand data requirements and deliver efficient data solutions. • Troubleshoot production issues related to Oracle performance and provide timely resolutions. • Document database designs, tuning results, and development standards. • Support code reviews and mentor junior developers on Oracle best practices. • • Required Skills and Qualifications: • Bachelor's degree in Computer Science, Information Systems, or a related field. • 10+ years of experience in Oracle PL/SQL development. • 5+ years of experience in Informatica ETL work flows • Deep expertise in performance tuning Oracle packages and SQL queries (Oracle 12c/19c/21c). • Strong understanding of Oracle internals, execution plans, indexing, partitioning, and optimizer behavior. • Hands-on experience with tools such as SQL Developer, TOAD, AWR, ASH, TKPROF, SQL Trace, and Oracle Enterprise Manager. • Familiarity with high-volume OLTP and/or data warehouse environments. • Ability to write efficient and reusable PL/SQL code. • Strong debugging and analytical skills. • Excellent communication and teamwork skills. • Preferred Qualifications: • Oracle Certified Professional (OCP) certification. • Exposure to Agile or DevOps environments. • Experience with performance tuning in cloud-based Oracle environments