Pyspark Developer

TCS is Hiring Pyspark Developer for Chennai, Bangalore, Hyderabad location

Experience : 5 - 10 years

Mode of interview : Virtual

Location : Chennai, Bangalore, Hyderabad

JOB DESCRIPTION:

Must have:

• 4- 6yrs of experience with strong proficiency in Python and PySpark.
• Experience working on Spark SQL, RDD, and DataFrame APIs.
• Good understanding of Hadoop ecosystem (Hive, HDFS, YARN).
• Knowledge of data formats like Parquet, Avro, JSON, etc.
• Experience with SQL and writing efficient queries.
• Familiarity with job orchestration tools (Airflow, Oozie, or similar).
• Version control systems like Git.
• Exposure to cloud platforms (AWS/GCP/Azure) is a plus.

Responsibilities:

• Design, develop, and maintain robust ETL/ELT pipelines using PySpark and other big data technologies. Optimize Spark jobs for performance and scalability.
• Implement data transformations, aggregations, and joins over large datasets. Perform batch and real-time data processing tasks.
• Collaborate with data scientists, analysts, and other engineers to understand requirements and deliver quality solutions. Integrate PySpark solutions with data warehouses (like Hive, Redshift, Snowflake) and other data stores.
• Write clean, maintainable, and well-documented code. Follow version control and CI/CD practices using tools like Git, Jenkins, or Azure DevOps.
• Troubleshoot data quality and performance issues. Monitor pipeline health and ensure SLAs are met.
• Work with tools and platforms like Hadoop, Hive, HDFS, AWS EMR, Databricks, or Azure Synapse as required.