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Pyspark/Python ETL Developer

https://www.citi.com/ Logo

Citi

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Location:
India , Chennai

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Responsibility:

  • Design, develop, and implement efficient and scalable data pipelines and ETL processes using Pyspark and Python
  • Develop, optimize, and maintain complex SQL queries and stored procedures within Oracle database environments
  • Collaborate with data architects, data scientists, and other stakeholders to understand data requirements and translate them into technical solutions
  • Perform data analysis, profiling, and quality checks to ensure data accuracy and integrity
  • Optimize Pyspark and Python code for performance and efficiency on large datasets
  • Troubleshoot and resolve data-related issues, ensuring data availability and reliability
  • Participate in code reviews, testing, and deployment processes
  • Stay up-to-date with emerging technologies and best practices in data engineering and big data
  • Document technical designs, data flows, and code

Requirements:

  • Bachelor's degree in Computer Science, Engineering, Information Technology, or a related field
  • 3+ years of experience in data engineering or software development with a focus on Pyspark/Python
  • Proven expertise in developing data processing applications using Pyspark and Python
  • Strong proficiency in writing complex SQL queries, stored procedures, and understanding database schema in Oracle
  • Experience with Apache Spark and its ecosystem for big data processing
  • Solid understanding and experience with ETL methodologies and tools
  • Experience with job scheduling and automation tools, such as Autosys
  • Proficiency in Unix/Linux shell scripting for automation and system tasks
  • Experience with Git or similar version control systems
  • Excellent analytical and problem-solving skills with attention to detail

Nice to have:

  • Experience with other database systems (e.g., PostgreSQL, SQL Server)
  • Knowledge of cloud platforms (AWS, Azure, GCP) and their data services (e.g., AWS S3, EMR, Glue)
  • Familiarity with data orchestration tools (e.g., Apache Airflow)
  • Experience with data visualization tools (e.g., Tableau, Power BI)
  • Understanding of data warehousing concepts (e.g., Kimball, Inmon)

Additional Information:

Job Posted:
March 01, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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