Full Time

Returnship - AWS Data Engineer

Cognizant
Full-time
IT Services and IT Consulting and Business Consulting and Services
Chennai, Tamil Nadu, India
₹10,00,000 - ₹15,00,000* / year

Job Description

Returnship -

Key Responsibilities

  • Design, develop, and maintain scalable data pipelines using Python and PySpark.
  • Build and manage ETL/ELT workflows for processing structured and unstructured data.
  • Develop and optimize Spark applications to handle large-scale datasets efficiently.
  • Implement cloud-native data solutions using AWS services.
  • Design and maintain Data Lakes on AWS.
  • Perform data ingestion from multiple sources including APIs, databases, files, and streaming platforms.
  • Monitor, troubleshoot, and optimize data workflows for performance and reliability.
  • Ensure data quality, integrity, security, and governance standards are followed.
  • Implement automation and orchestration of data workflows using scheduling tools.
  • Collaborate with cross-functional teams for requirement gathering and solution design.
  • Conduct code reviews, unit testing, and performance tuning.
  • Prepare technical documentation and deployment procedures.
  • Support production incidents and perform root cause analysis.

Mandatory Skills

  • Strong expertise in Python
  • Hands-on experience with PySpark
  • Proficiency in SQL and query optimization

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