ETL Developer

1 week ago

Hyderabad, India Cozzera Full time

Job Title: ETL Developer (IBM Datastage + SQL)

Location: Hyderabad & Noida

Work Mode: Hybrid

Experience: 7+ years


Role Overview

We are looking for an experienced ETL Developer with strong IBM Datastage and SQL expertise to join our dynamic team. The ideal candidate will be responsible for designing, developing, testing, and supporting ETL processes and data integration solutions to ensure seamless data flow across multiple systems.


Key Responsibilities

  • Design, develop, and maintain ETL jobs using IBM Datastage.
  • Work closely with business analysts, architects, and data modelers to understand business requirements and convert them into scalable ETL solutions.
  • Develop complex SQL queries, stored procedures, and performance-optimized scripts for data extraction, transformation, and loading.
  • Conduct data quality checks, troubleshooting, and performance tuning of Datastage jobs and SQL queries.
  • Support data migration, batch processing, and real-time integration projects.
  • Document technical specifications, mappings, workflows, and operational processes.
  • Collaborate with cross-functional teams to ensure high-quality data delivery in compliance with enterprise standards.
  • Provide production support, including monitoring, debugging, and resolving ETL/data-related issues.


Required Skills & Experience

  • 7+ years of hands-on experience in ETL development using IBM Datastage.
  • Strong expertise in SQL, PL/SQL, and relational databases (Oracle, SQL Server, DB2, or similar).
  • Experience with ETL performance tuning, optimization, and error handling.
  • Knowledge of data warehousing concepts, star/snowflake schemas, and data modeling basics.
  • Strong understanding of job scheduling tools (e.g., Control-M, Autosys, or equivalent).
  • Good knowledge of Unix/Linux shell scripting for automation and integration.
  • Excellent problem-solving skills with the ability to debug and resolve complex data issues.
  • Strong communication and collaboration skills.


Good to Have

  • Experience in cloud-based ETL solutions (AWS Glue, Azure Data Factory, GCP Dataflow).
  • Familiarity with Big Data platforms (Hadoop, Spark) is an added advantage.
  • Exposure to Agile/Scrum methodologies.

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