WAWalmart
Sr, DATA ENGINEER
Chennai ₹5-9 LPA Posted 30 Apr 2026
FULL TIME
Spark
Scala
data engineering
Java
Python
+1 more
Job Description
Key Responsibilities
- Design and develop scalable data pipelines to ingest, transform, and process large-scale datasets
- Build and maintain data orchestration workflows to support reliable data movement across systems
- Extract and integrate data from multiple sources including databases, APIs, and cloud storage systems
- Transform raw data into structured, high-quality, and consumable data assets for analytics and reporting
- Develop and maintain logical and physical data models including warehouse and data mart structures
- Define and manage relational schemas, primary/foreign keys, and stored procedures
- Perform data quality checks, validation, and cleansing to ensure accuracy and consistency
- Develop and optimize data flows for performance, scalability, and reliability
- Write production-grade code for data processing using Python, Java, or Scala
- Build and execute test cases to validate data pipelines and transformations
- Deploy and monitor data engineering solutions in production environments
- Contribute to documentation, code standards, and operational playbooks
- Collaborate with cross-functional teams to translate business requirements into technical solutions
- Identify and recommend appropriate analytical and data engineering approaches for business problems
- Support data governance practices and ensure compliance with data policies and standards
- Work on continuous improvement of data systems, architecture, and performance
