ETL Developer

Key Responsibilities * Design, develop, and maintain ETL processes to extract, transform, and load data from multiple sources. * Develop and optimize SQL queries, stored procedures, and database scripts. * Perform data validation, data mapping, and data quality checks. * Develop and maintain data integration workflows. * Monitor ETL jobs, troubleshoot failures, and resolve data-related issues. * Optimize ETL processes for better performance and efficiency. * Work with business analysts and technical teams to understand data requirements. * Prepare and maintain technical documentation. Required Skills * 3–5 years of experience in ETL development. * Strong knowledge of ETL concepts and data warehousing. * Hands-on experience with ETL tools such as Informatica, SSIS, Talend, or Azure Data Factory. * Strong SQL skills, including complex queries, joins, and stored procedures. * Good knowledge of databases such as Oracle, SQL Server, or PostgreSQL. * Understanding of data warehouse concepts such as Fact Tables, Dimension Tables, Star Schema, and Snowflake Schema. * Knowledge of SCD Type 1 and Type 2, incremental loads, and full loads. * Basic knowledge of Unix/Linux commands and shell scripting. * Good analytical, problem-solving, and communication skills.