We are seeking an enthusiastic, detail-oriented ETL Developer to join our data engineering team. In this role, you will be designing, developing, and maintaining scalable data pipelines using **PySpark** , **Talend** , and **Ab Initio** . You will work closely with senior developers to transform raw data into valuable business insights, ensuring optimal data quality and performance + **ETL Pipeline Development:** Building and maintaining Extraction, Transformation, and Loading (ETL) workflows + **Big Data Processing:** Utilize PySpark for data processing, manipulation, and analysis within big data ecosystems. + **Data Extraction & Ingestion:** Extract data from multiple sources including relational databases (SQL), flat files etc. + **Data Transformation:** Create mapping documents and apply business logic to transform large datasets. + **Performance Tuning:** Assist in analyzing and optimizing existing ETL jobs and Spark scripts for better scalability and execution speed. + **Testing & Documentation:** Perform unit testing, validate data accuracy, and maintain technical documentation for all ETL processes. + **Production Support:** Help monitor scheduled daily/weekly jobs and troubleshoot data integration or quality issues **Recommended Qualifications:** + 8-10 years of relevant experience + Experience in systems analysis and programming of software applications + **Programming Languages:** Proficiency in **Pyspark** and **SQL** . + **Big Data Frameworks:** Hands-on experience or robust conceptual understanding of **PySpark** . + **ETL Tools:** Familiarity with Data Integration/Big Data tools and **Ab Initio** components. + **Scripting:** Basic to intermediate knowledge of **Unix/Linux Shell Scripting** . + **Databases:** Understanding of Big Data (Hadoop) & RDBMS like Oracle,



or PostgreSQL + Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements **Education:** + Bachelor's degree/University degree or equivalent experience This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required. ------------------------------------------------------ **Job Family Group:** Technology ------------------------------------------------------ **Job Family:** Applications Development ------------------------------------------------------ **Time Type:** Full time ------------------------------------------------------ **Most Relevant Skills** Please see the requirements listed above. ------------------------------------------------------ **Other Relevant Skills** For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ _Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law._ _If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review_ _Accessibility at Citi (https://www.citigroup.com/citi/accessibility/application-accessibility.htm)_ _._ _View Citi's_ _EEO Policy Statement (https://www.citigroup.com/global/eeo-aa-policy)_ _and the_ _Know Your Rights (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf)_ _poster._ Citi is an equal prospect and affirmative action employer. Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.

📌 Applications Developer - ETL/Pyspark - Assistant Vice President (Chennai)
🏢 Citigroup
📍 Chennai