Database Engineer with 5+ years in Oracle SQL & PL/SQL Development
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Results-driven Database Developer with 4.7+ years of experience in database development, ETL processing, and data warehousing. Strong expertise in developing high-performance PL/SQL code, SQL optimization, and large-scale data processing (handling 1M+ records/day). Proven experience in data migration, data integration, and performance tuning, with measurable improvements in query execution time and system efficiency. Skilled in troubleshooting complex data issues, root cause analysis (RCA), and delivering scalable, reliable data solutions in Agile environments. Experienced in handling large-scale data systems in BFSI domain with strong focus on performance optimization and data reliability.
C.V. Raman Global University, Bhubaneshwar, Odisha, India
Bachelor of Technology · B.tech
August 1, 2017 – June 30, 2021
Tata Consultancy Services Ltd. (TCS)
Database Developer
May 1, 2021 – Present
India
Enterprise Data Warehouse & SQL-Based ETL Platform
May 1, 2021 – June 1, 2026
Designed and developed SQL and PL/SQL packages, stored procedures, functions, views, cursors, and triggers to support high-performance data processing and reporting. Built and maintained ETL pipelines processing 1M+ records/day, ensuring data accuracy and integrity. Optimized complex SQL queries and enhanced data loading performance by leveraging SQL Loader for high-volume bulk data processing in ETL pipelines. Handled data integration across multiple heterogeneous data sources including mapping, transformation and validation logic. Applied ETL best practices and data modeling techniques including fact and dimension table design. Designed star schema models for data warehousing and reporting use cases. Developed and executed data validation and transformation logic for ETL workflows. Supported reporting and dashboarding requirements using Power BI for business insights. Collaborated with business and technical teams to gather requirements and deliver scalable solutions. Developed and maintained ETL workflows using Oracle Data Integrator and SSIS for ETL, Data Integration, and Data Migration. Developed shell scripts in Linux/Unix environment to automate ETL workflows, schedule batch jobs, and perform file handling.
Financial Reconciliation & Database Performance Optimization
May 1, 2021 – June 1, 2026
Developed a high-performance reconciliation engine handling 5M+ transactions/day. Optimized PL/SQL code using BULK COLLECT and FORALL, improving execution time by 40%. Applied SQL performance tuning using execution plans, indexing strategies improving query and batch performance by 30%. Led troubleshooting and debugging of complex data processing and integration issues in production systems. Conducted Root Cause Analysis (RCA) and reduced recurring defects by 50%. Ensured 99.9% system availability through proactive monitoring and issue resolution. Coordinated with cross-functional teams in an Agile environment for timely delivery. Mentored junior developers and improved team productivity.
Cultural Fit Analysis
The candidate's experience across diverse projects within a single company (TCS) shows adaptability and a commitment to long-term roles. The focus on high-performance data systems in the BFSI domain suggests a good fit for roles requiring precision, reliability, and efficiency. Mentoring experience indicates a willingness to contribute to team growth. The breadth of skills in database development, ETL, and performance tuning aligns with a comprehensive database engineering role.
Soft Skills & Operational Fit
The candidate demonstrates strong problem-solving skills through RCA and troubleshooting, and a proactive approach to system availability. Experience in Agile environments and mentoring junior developers indicates good team collaboration and leadership potential. The focus on performance optimization and data integrity aligns well with operational excellence.