Pushkar Patil
Java ETL Developer | Java Backend | PostgreSQL & Greenplum
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About
Java Developer with almost 3 years of experience in backend development, SQL-based data processing, and database administration at Tata Consultancy Services. Skilled in Core Java, Spring Boot, RESTful APIs, PostgreSQL, Greenplum and Oracle SQL, with hands-on experience in data extraction, transformation and validation, database performance tuning, and production support across the full SDLC in Agile teams. Strong in debugging, root cause analysis (RCA), unit and integration testing, deployment and release management.
Seeking a Java ETL Developer role to build reliable, scalable data pipelines.
Experience
Backend Developer at Tata Consultancy Services (TCS) (2024-01 – Present)
Client Project: Genworth Financial
Backend Developer at Tata Consultancy Services (TCS) (2024-01 – Present)
Project 1: Commission Statement Viewer | Technologies: Java 8, Spring Boot, Oracle Database, SQL, Postman
- Developed and enhanced backend modules in Java and Spring Boot that process case data logged in the portal and calculate commissions accurately for agent-facing statements.
- Wrote and optimized SQL queries on Oracle Database to extract, transform and validate commission data for reporting.
- Built and tested RESTful APIs using Spring Boot and Postman; performed unit and integration testing before deployment.
- Implemented end-to-end Change Requests (CRs) across the SDLC: requirement analysis, development, testing, deployment and release management.
- Performed defect resolution, debugging, root cause analysis and production support, collaborating with cross-functional teams in an Agile environment.
Database Administrator at Tata Consultancy Services (TCS) (2024-01 – Present)
Project 2: Greenplum Database Administration & Production Support | Technologies: PostgreSQL, Greenplum, Linux, ServiceNow
- Monitored and maintained Greenplum data warehouse environments, ensuring high availability, reliability and optimal performance.
- Carried out performance tuning, system health checks, backup validation and incident resolution to keep data loads and queries running smoothly.
- Troubleshot production data issues with cross-functional teams and vendors; implemented automation to reduce manual effort.
- Supported disaster recovery and business continuity initiatives, following ITIL-based incident and change management processes through ServiceNow.
Education
Master of Computer Applications in MCA – Medicaps University, Indore (2021 – 2023)
Bachelor of Computer Applications in BCA – Dr. A.P.J. Abdul Kalam University, Indore (2017 – 2020)

