Key Responsibilities
Database Development: Design, build, and maintain robust Oracle PL/SQL packages, stored procedures, functions, triggers, and views.
PostgreSQL Integration: Develop and refactor database objects, queries, and routines specifically optimized for PostgreSQL environments.
Migration & Conversion: Analyze existing Oracle database structures, map code dependencies, and assist in converting PL/SQL code to PostgreSQL dialects (PL/pgSQL).
Performance Tuning: Troubleshoot slow-running queries, optimize indexing strategies, design table partitioning, and analyze execution plans across both platforms.
Data Integration: Build and support efficient ETL (Extract, Transform, Load) solutions and data pipelines to ensure seamless data movement.
Cross-Functional Collaboration: Partner with backend developers, QA engineers, DevOps, and business analysts to deliver database changes safely and securely.
Documentation & Operations: Write clean technical documentation, automated deployment scripts, and standard operating procedures for database rollouts.
Required Skills & Qualifications
Technical Skills
Oracle & PL/SQL Expertise: Strong hands-on experience with Oracle Database (11g/12c/19c) and advanced PL/SQL development.
PostgreSQL Familiarity: Solid understanding of PostgreSQL development concepts, data types, and syntax.
Core Database Design: Mastery of complex SQL syntax, relational database design, data modeling, and normalization principles.
Optimization Tooling: Experience using execution plans and diagnostic tools (like EXPLAIN and EXPLAIN ANALYZE) to identify and fix performance bottlenecks.
Scripting & Systems: Competency in Unix/Linux shell scripting to automate routine database tasks and data pipelines.
Modern Tooling: Familiarity with code versioning systems (Git/SVN) and basic awareness of Agile/Scrum team workflows.