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Spark Developer - C10 - Chennai

Job Req Id:
25870021
Location(s):
Chennai, Tamil Nadu, India
Job Type:
On-Site/Resident
Posted:
Sep. 03, 2025

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Job Overview

ETL Developer will be responsible for designing, implementing, and optimizing distributed data processing jobs to handle large-scale data in Hadoop Distributed File System(HDFS) using Apache Spark and Python. This role required deep understanding of data engineering principles, proficiency in Python and hands-on experience with Spark and Hadoop ecosystems. Developer will collaborate with data engineers, analysts, and business stakeholders to process, transform and drive insights and data driven decisions.


Responsibilities:

  • Data Processing and Transformation:

    Design and Implement of Spark applications to process and transform large datasets in HDFS.

    Develop ETL Pipelines in Spark using Python for data Ingestion, cleaning, aggregation, and transformations.

    Performance Optimization:

    Optimize Spark jobs for efficiency, reducing run time and resource usage.

    Finetune memory management, caching, and partitioning strategies for Optimal performance

    Data Engineering with Hadoop and Spark:

    Load data from different sources into HDFS, ensuring data accuracy and integrity.

    Integrate Spark Applications with Hadoop frameworks like Hive, Sqoop etc.

    Testing and debugging:

    Troubleshoot and debug Spark Job failures, monitor job logs, and Spark UI to Identify Issues.

Qualifications:

  • 2-5 years of relevant experience
  • Experience in programming/debugging used in business applications
  • Working knowledge of industry practice and standards
  • Comprehensive knowledge of specific business area for application development
  • Working knowledge of program languages
  • Consistently demonstrates clear and concise written and verbal communication
  • Expertise in handling complex large-scale Warehouse environments
    •    Hands-on experience writing complex SQL queries, exporting and importing large amounts of data using utilities


Education:

  • Bachelor's degree in a quantitative field (such as Engineering, Computer Science) or equivalent experience


This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

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