Data Engineer - Assistant Vice President

Citigroup Inc.; Pune District; On-site; INR 1,200,000 - 1,600,000; Full time

Job summary

Citigroup Inc. is seeking a C12 Data Engineer to design scalable batch and real-time data pipelines using Python, PySpark, and Databricks in a cloud environment.

The role requires expertise in Delta Lake, Unity Catalog, and CI/CD for data artifacts, plus mentoring junior engineers in an Agile setup within Pune, India. Exposure to BCBS 239 and data governance is valuable.

Qualifications

• Strong, production-grade proficiency in Python and advanced SQL.
• Hands-on experience with Apache Spark (PySpark).
• Minimum 3 years with Databricks and Delta Lake.

Responsibilities

• Design, develop, and deploy scalable batch and real-time data pipelines (ETL/ELT) using Python, PySpark, Spark SQL, and Databricks.
• Deploy and maintain Databricks workspaces on cloud environments; manage secure cloud storage access and IAM.
• Lead performance tuning of Spark clusters and SQL queries; optimize Delta Lake storage and partitions.

Skills

Python

PySpark

Spark SQL

Databricks

Delta Lake

Unity Catalog

SQL

Cloud - AWS/GCP

CI/CD

Data governance

Tools

Databricks Workflows

dbt

Jenkins

GitLab

GitHub Actions

Job description

The Job description is given below -

A C12 Data Engineer is expected to:

• Act as a Subject Matter Expert (SME):Provide technical guidance on pipeline architecture, distributed computing, and cloud-native integrations.
• Drive Best Practices:Champion code quality, comprehensive automated testing, CI/CD automation, and rigorous data governance standards.

Key Responsibilities

• Data Pipeline Architecture & Development:Design, develop, and deploy scalable batch and real-time end-to-end data pipelines (ETL/ELT) using Python, PySpark, Spark SQL, and Databricks(Must have).
• Cloud Infrastructure Integration:Deploy and maintain Databricks workspaces on cloud environments (AWS or GCP). Manage secure integrations with cloud storage (S3/GCS), access controls (IAM), secrets management (Vault/KMS), and serverless query engines.
• Performance Optimization & Tuning:Diagnose and resolve performance bottlenecks in Spark clusters, SQL queries, and Databricks jobs. Optimize storage layouts using Delta Lake properties (e.g., Z-Ordering, partitioning, and vacuuming).
• Data Quality & Governance:Implement automated data validation frameworks, data quality monitoring, and metadata management solutions utilizing Databricks Unity Catalog to ensure strict compliance with internal data governance policies and external financial regulations (such as BCBS 239).
• Technical Leadership & Mentorship:Act as a technical lead within an Agile/Scrum environment. Lead peer code reviews, enforce coding standards, and mentor junior and mid-level data engineers (C10/C11).
• DevOps & CI/CD:Establish and maintain automated CI/CD pipelines (using Jenkins, GitLab, or GitHub Actions) for packaging and deploying data engineering artifacts (dbt, Spark jobs, Databricks workflows).
• Collaboration:Partner with Data Science teams to operationalize machine learning models, and work with business intelligence developers to build efficient semantic layers for reporting.

Technical Qualifications (Must-Haves)

• Programming Languages:Strong, production‑grade proficiency in Python (including standard libraries, pandas, and testing frameworks like pytest) and advanced SQL (including window functions, CTEs, and query optimization).
• Distributed Computing:Deep hands‑on experience with Apache Spark (PySpark) for processing multi-terabyte datasets in a distributed cluster environment.
• Unified Lakehouse Platforms:Minimum 3 years of hands‑on experience developing within Databricks. Expert knowledge of Delta Lake ACID transactions, Delta Live Tables (DLT), Unity Catalog, and Databricks Workflows is required.
• Cloud Platforms:Extensive experience deploying Databricks within either Amazon Web Services (AWS) or Google Cloud Platform (GCP). Proficiency in cloud‑native components (AWS S3, EC2, IAM, EMR, Athena, Redshift OR GCP GCS, Compute Engine, IAM, Dataproc, BigQuery) is a strict requirement.
• Data Modeling:Solid understanding of data warehousing concepts, including dimensional modeling (Star and Snowflake schemas), slow‑changing dimensions (SCDs), and Medallion (Bronze/Silver/Gold) architecture design.

Preferred Qualifications & Certifications

• Databricks Certifications:Databricks Certified Data Engineer Professional or Databricks Certified Associate Developer for Apache Spark.
• Cloud Certifications:AWS Certified Solutions Architect / AWS Certified Data Engineer, or Google Cloud Professional Data Engineer.

Professional Competencies & Soft Skills

• Problem‑Solving:Exceptional analytical and troubleshooting skills to resolve complex performance and data consistency issues in distributed systems.
• Communication:Excellent verbal and written communication skills. Ability to articulate complex technical architectures to non‑technical business stakeholders.
• Collaborative Mindset:Proactive team player who thrives in a diverse, global, cross‑functional engineering environment.
• Adaptability:Ability to prioritize work, pivot quickly in response to changing business requirements, and master new technologies as they emerge.

Thanks !

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.

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