Python Big Data Developer

Posted 2 Days Ago
Be an Early Applicant
Pune, Mahārāshtra, IND
In-Office
Mid level
Fintech • Financial Services
The Role
Develop Python and Shell automation, support enterprise batch environments, monitor AutoSys and ETL workflows, troubleshoot production issues, and perform root cause analysis. Process and validate data using Hive, Hadoop, PySpark, SQL, and Oracle. Create unit tests, maintain operational documentation, manage incidents and changes through JIRA, and coordinate with business, development, infrastructure, and support teams to ensure application stability in banking and financial services environments.
Summary Generated by Built In

Job Description

We are seeking a highly motivated professional with strong expertise in Python, Unix, Big Data technologies, and Production Support within the Banking/Financial Services domain. The candidate will be responsible for developing automation solutions, supporting critical batch processing environments, performing data analysis, and ensuring operational stability across enterprise-scale data platforms.

The ideal candidate should have hands-on experience with Python scripting, Unix Shell scripting, AutoSys scheduling, SQL, and Big Data technologies such as Hive, Hadoop, and Pyspark. Experience with Ab Initio platforms and Control Center will be an added advantage.

Key Responsibilities

  • Develop and maintain automation solutions using Python and Shell scripting.
  • Support and monitor enterprise batch processing environments using AutoSys.
  • Troubleshoot production issues, perform root cause analysis, and implement preventive solutions.
  • Work with Big Data platforms including Hive, Hadoop, and Pyspark for data processing and analysis.
  • Perform SQL-based data validations, reconciliation, and troubleshooting.
  • Develop and execute unit testing for automation scripts and support utilities.
  • Monitor ETL workflows and coordinate issue resolution across support teams.
  • Create and maintain operational documentation, runbooks, and support procedures.
  • Manage incidents, service requests, defects, and change records through JIRA.
  • Collaborate with business, development, and infrastructure teams to ensure application stability.

Mandatory Skills

  • 3-6 years of strong hands-on experience in Python scripting and automation development
  • Strong Unix/Linux and Shell Scripting skills
  • Extensive experience with AutoSys Scheduling
  • Strong SQL and Oracle database knowledge
  • Hands-on exposure to Hive, Hadoop, and Pyspark
  • Experience using JIRA and Zephyr
  • Experience in production support and batch operations
  • Strong analytical and problem-solving skills
  • Banking / Financial Services domain experience

Preferred Skills

  • Ab Initio platform experience
  • Knowledge of Ab Initio Control Center (CC)
  • Control-M exposure
  • ETL development and data integration experience
  • Incident, Change, and Problem Management processes
  • Release support and environment certification activities

Nice to Have

  • Regulatory Reporting or Finance Technology exposure
  • Data Warehousing background
  • CI/CD and DevOps exposure

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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.

Skills Required

  • 3-6 years of hands-on experience in Python scripting and automation development
  • Strong Unix/Linux and Shell Scripting skills
  • Extensive experience with AutoSys Scheduling
  • Strong SQL and Oracle database knowledge
  • Hands-on exposure to Hive, Hadoop, and PySpark
  • Experience using JIRA and Zephyr
  • Experience in production support and batch operations
  • Strong analytical and problem-solving skills
  • Banking or Financial Services domain experience
  • Ab Initio platform experience
  • Knowledge of Ab Initio Control Center
  • Control-M exposure
  • ETL development and data integration experience
  • Incident, Change, and Problem Management process experience
  • Release support and environment certification experience
  • Regulatory Reporting or Finance Technology exposure
  • Data Warehousing background
  • CI/CD and DevOps exposure

Citi Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Citi and has not been reviewed or approved by Citi.

  • Healthcare Strength Benefits coverage is positioned as comprehensive, including health, dental, and vision insurance plus on-site clinics, prescription drug support, and disability coverage. Family-building support such as fertility assistance is described as a notable differentiator within the overall package.
  • Retirement Support Retirement benefits are framed as strong, highlighted by a 401(k) with matching and additional plan options like a Roth 401(k). Financial support is reinforced through discounts and broader financial guidance resources tied to the benefits ecosystem.
  • Wellbeing & Lifestyle Benefits Wellbeing support extends beyond insurance through programs like an Employee Assistance Program, counseling/legal resources, and gym or wellness reimbursement. These offerings increase the perceived total rewards value even when cash compensation sentiment varies by role.

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The Company
HQ: Kwun Tong, Kowloon
223,850 Employees

What We Do

Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients. We have 200 years of experience helping our clients meet the world's toughest challenges and embrace its greatest opportunities. We are Citi, the global bank – an institution connecting millions of people across hundreds of countries and cities.

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