PySpark

TCS Hiring for PysparkExperience Range : 06 To 10 years (mandatory)Job Location : Chennai, Hyderabad, KolkataNotice Period: 0-30 days (preferred)JOB DESCRIPTIONKey Responsibilities:Designing, implementing, and maintaining jobs written in PySpark for extracting raw data, applying transformation, and writing into file/tables on Apache Spark cluster.Writing complex queries as per the business rules and data extraction logicQuery tuning and Performance optimization of various components as and when required.Work with development leads, System Architects and other teams (as needed) to manage dependencies, risks and issues.Contributing in all phases of the development lifecycleSupport testers and defect resolutionUpdate status/risks/issues/impediments in daily scrum calls to the customer and track it to closure.Writing testable, scalable and efficient codeWorking on the necessary documentations as neededTechnical Skills:Minimum 3 Years of experience in design, development and deployment of big data applications and ETL jobs using PySpark APIs/sparkSQL.Experience in design, build and deployment of Python based applications.Experience in writing complex SQL queries/procedures using Relational databases like SQL Server or OracleExperience in version control system like Git and CI/CD pipeline is a must.Experience in Delta lake APIs is a plusExperience in Docker and Kubernetes is a plusKnowledge of AWS services like S3, Athena, Glue, Lambda, Redshift or Cloud platform is a plusMinimum Qualification:15 years of full-time education

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