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ETL DeveloperTrivandrum

VGreenTEK

Job Location:

Kochi - India

Monthly Salary: Not provided by the employer

Posted: 17 August 2026 (4 hours ago)

Application Deadline: 14 November 2026

Vacancies: 1 Vacancy

Job Summary

ETL Developer

Department: Development
Location: Thiruvananthapuram Kerala
Job Type: Contract
Experience: 4-8 years
Work Mode: Work from Office
Joining Period: Immediate

About the Role

The ETL Developer is responsible for developing and executing the Oracle-to-PostgreSQL data migration processes within the dedicated Data Migration pod working in line with the migration architecture and data-mapping strategy defined by the Data Architect.

The role develops extraction transformation and loading (ETL) logic including migration scripts data mappings transformation rules validation routines error handling and reconciliation processes required to move data accurately from the legacy Oracle environment to PostgreSQL.

Working closely with the Data Architect Data Migration team Business Analysts QA and application development teams the ETL Developer ensures data quality integrity completeness and consistency throughout the migration process. The role also focuses on ETL performance and automation optimising queries batch processing bulk loading and migration jobs to support large data volumes and repeatable migration cycles across development testing UAT and production environments.

Ultimately the ETL Developer converts the Data Architects migration design into a reliable automated and auditable data migration capability ensuring that data is accurately extracted transformed loaded into PostgreSQL and validated before being made available to the new platform.

Responsibilities

Develop ETL pipelines and scripts for migrating data from Oracle source systems to PostgreSQL targets.
Implement data transformation cleansing and validation logic per the Data Architects migration design.
Build reconciliation and data-quality checks to verify migrated data integrity against source systems.
Support incremental/delta migration and cutover planning for production migration windows.
Write unit and integration tests for migration/ETL components.
Collaborate with the pods QA Engineer on migration test coverage and defect resolution.
Document migration mappings transformation rules and runbooks for each migrated dataset.
Coordinate with application-development pods on data dependencies affecting their subsystems.

Requirements

Experience: 4-8 years in data engineering or database development with hands-on ETL/migration work.
Databases: Strong SQL across both Oracle and PostgreSQL; understanding of schema differences between the two.
ETL: Hands-on ETL/data-pipeline development (scripted or tool-based).
Data Quality: Experience building reconciliation and validation checks for migrated data.
Practices: Unit/integration testing habit and Git workflow familiarity.
Attitude: Methodical detail-oriented approach to data integrity and cutover risk.