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Senior Developer - Oracle SQL / PL SQL & Python PySpark

https://www.citi.com/ Logo

Citi

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Location:
India , Pune, Maharashtra, India, Chennai, Tamil Nadu, India

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

We are seeking a highly experienced and technically proficient Senior Developer to join our team at Citi. The successful candidate will play a critical role in designing, developing, and optimizing data-driven solutions using Oracle SQL/PL SQL and Python with PySpark. This role requires deep expertise in database programming, data processing, and an ability to work with large datasets within a financial services context.

Job Responsibility:

  • Design, develop, and maintain complex Oracle SQL and PL/SQL packages, stored procedures, functions, and triggers for critical business applications
  • Develop and implement robust data processing pipelines using Python and PySpark for large-scale data ingestion, transformation, and analysis
  • Optimize existing SQL queries, PL/SQL code, and PySpark jobs for performance, scalability, and efficiency
  • Collaborate with data architects, data scientists, and business stakeholders to understand data requirements and translate them into technical solutions
  • Ensure data quality, integrity, and security across all developed solutions
  • Participate in all phases of the software development lifecycle, including requirements gathering, design, coding, testing, deployment, and support
  • Troubleshoot and resolve complex database and data pipeline-related issues
  • Provide technical guidance and mentorship to junior developers
  • Stay abreast of new technologies and best practices in Oracle database development, Python, and big data processing (Spark)

Requirements:

  • Bachelor's or Master's degree in Computer Science, Engineering, Information Technology, or a related field
  • 10+ years of progressive experience in software development, with a strong focus on Oracle database development and data engineering
  • Proven experience as a Senior Developer in a large enterprise environment, preferably within financial services
  • Strong domain knowledge and experience on the functionality of Customer Due Diligence (CDD) or Know Your Customer (KYC) platforms
  • Expert-level proficiency in Oracle SQL and PL/SQL, including performance tuning and advanced database concepts
  • Strong expertise in Python programming, particularly with PySpark for big data processing
  • Extensive experience with data warehousing concepts, ETL/ELT processes, and data modeling
  • Proficiency with version control systems (e.g., Git)

Nice to have:

  • Experience with scripting languages (e.g., Shell scripting)
  • Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and their data services
  • Experience with job scheduling tools (e.g., Control-M, Airflow)
  • Knowledge of data governance and data quality best practices

Additional Information:

Job Posted:
May 05, 2026

Work Type:
Hybrid work
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