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Citigroup · Pune Maharashtra India

Python and Apache Spark Big Data Engineer - Assistant Vice President

Pune Maharashtra IndiaFull-timeExecutiveData & Analytics

Listed on Citigroup’s official careers site. Posted October 16, 2026. Check that it is still open and apply there.

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Job description

Experience

Range - 8 to 12 years Strong experience with one or more programming languages (Python/Spark).

  • Demonstrated analytical and problem-solving skills. Application performance tuning, troubleshooting experience and the implementation of these skills in Big Data domain.
  • Comfortable working with large data volumes and be able to demonstrate a firm understanding of logical data structures and analysis techniques.
  • Experience in Big data technologies like HDFS, Map Reduce, YARN, Apache Spark, Hive.
  • Familiarity with data formats like Avro, Parquet, CSV, JSON.
  • Strong systems analysis, design and architecture fundamentals, Unit Testing and other SDLC activities.
  • Understanding fundamental design principles behind a scalable application.
  • Experience in working with UNIX/LINUX and shell scripting.
  • Good knowledge of database principles, practices with SQL.
  • Application performance tuning, troubleshooting experience and the implementation of these skills in Big Data domain.

Good to Have

  • Agile/Scrum methodology experience is required.
  • Experience in SCMs like GIT and tools like JIRA.
  • Experience in No SQL databases.
  • Familiarity with build tools such as Maven and continuous integration like Jenkins/Team City.
  • Familiarity with cloud and container technologies.
  • Experience real time data processing - Kafka.

Responsibilities

  • Translate application storyboards and use cases into functional applications.
  • Design, build, and maintain efficient, reusable, and reliable Python/Scala code.
  • Ensure the best possible performance, quality, and responsiveness of the applications.
  • Identify bottlenecks and bugs, and devise solutions to these problems.
  • Develop high performance & low latency components to run Spark clusters.
  • Interpreting functional requirements into design approaches those can be served through Big Data platform.
  • Collaborate and partner with Global Teams based across different locations.
  • Be able to propose best practices and standards.
  • Perform the testing of software prototypes and transfer to the operational team.
  • Processing of data using Hive, Impala & HBASE.
  • Performing analysis of large data sets and derive insights. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Most Relevant Skills

Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ 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.

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