Walmart

Staff, Data Engineer

Walmart
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1 day ago
Chennai, IndiaStaff+

Responsibilities

  • Design, build, and operate large-scale batch and streaming data pipelines using Spark, Java, and Python.
  • Apply software engineering practices including clean architecture, automated testing, CI/CD, code reviews, and design patterns to data engineering.
  • Design and implement data and platform systems while evaluating dependencies, trade-offs, failure modes, scalability, cost, and durability.
  • Build and maintain services, APIs, and distributed systems supporting data pipelines and the broader platform codebase.
  • Integrate GenAI, embeddings, vector search, LLM-assisted data quality, anomaly detection, agentic monitoring, self-healing, and automated schema and lineage documentation.
  • Partner with data scientists and ML engineers on feature pipelines, model-serving data paths, and MLOps infrastructure.
  • Own data quality, observability, governance, reliability metrics, and operational excellence for pipelines and datasets.
  • Lead architecture and design reviews across data engineering and platform engineering.
  • Set technical direction, establish best practices, mentor engineers, and influence broader data engineering standards.
  • Evaluate and adopt Big Data, cloud, and AI technologies where they improve reliability, productivity, or business value.

Requirements

  • 8+ years of professional software engineering experience with significant hands-on data engineering at scale, with strong Java, Python, and Spark proficiency.
  • Experience with Spark, Hadoop/HDFS, Hive, Kafka, Airflow or equivalent workflow orchestration, batch and streaming processing, and large-scale data transformation.
  • Experience with data modeling, ETL/ELT pipeline design, data quality, observability, governance, and lakehouse architectures such as Delta Lake, BigQuery, or Databricks.
  • Hands-on experience integrating model APIs and GenAI/LLM tooling, building agentic workflows, using embeddings/vector search, and applying MLOps practices such as feature stores and retraining pipelines.
  • Working knowledge of microservices, API design, Kubernetes or equivalent orchestration, CI/CD, and cloud-native practices.
  • Strong distributed-systems, event-driven architecture, asynchronous processing, fault-tolerance, domain-oriented design, system design, and low-level design skills.
  • Experience with operational excellence, SLO/SLA ownership, incident management, blameless post-incident reviews, reliability metrics, and continuous improvement.
  • Ability to translate ambiguous data and business problems into technical execution plans and operate with high autonomy in a 0-to-1 environment.
  • Bachelor's or Master's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.
  • Additional experience with Go, C++, or Scala is preferred.

Benefits

  • Incentive awards may be available based on performance.
  • Benefits include maternity and parental leave, paid time off, health benefits, and other benefits.
  • The role is based in the Bangalore or Chennai office for daily work, with flexibility for associates to manage their personal lives.

Tech Stack

Apache AirflowApache HadoopApache HiveApache KafkaApache SparkC++DatabricksGoGoogle BigQueryJavaKubernetesPythonScala

Categories

Data Engineering
Walmart

About Walmart

10,000+ employees

Walmart is a global omnichannel retailer that sells groceries, general merchandise, and services through Walmart and Sam's Club stores and online marketplaces for consumers and small businesses. Its model spans physical retail, e-commerce, advertising, and a vast supply chain, plus pharmacy, health, and financial services. Founded in 1962 and headquartered in Bentonville, Arkansas, Walmart Inc. is a public company on the NYSE (WMT) operating in the U.S. and multiple international markets.

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