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Walmart

Principal Data Engineer

Walmart

. Drives the execution of multiple business plans and projects by identifying customer and operational needs .

Posted 4/25/2026full-timeChennai • 🇮🇳 IndiaLeadWebsite

Tech Stack

Tools & technologies
BigQueryCloudGoogle Cloud PlatformJavaKafkaNode.jsPySparkPythonScalaSparkSpring BootSpringBootSQL

About the role

Key responsibilities & impact
  • Drives the execution of multiple business plans and projects by identifying customer and operational needs
  • Provides supervision and development opportunities for associates
  • Promotes and supports company policies, procedures, mission, values, and standards of ethics and integrity
  • Ensures business needs are being met by evaluating the ongoing effectiveness of current plans, programs, and initiatives
  • Participates in and supporting community outreach events
  • Operate at the intersection of retail scale, near real‑time intelligence, and Agentic AI, translating long‑term platform strategy into durable business impact
  • Develop APIs and services for enabling data for dependent systems and applications
  • Develop and implement best-in-class Data pipelines to ensure on time availability of Data and Insights
  • Design, build, test and deploy cutting edge solutions at scale
  • Document requirements, data lineage, subject matter in both business and technical terminology.

Requirements

What you’ll need
  • Bachelor’s degree in computer science or related discipline with 12+ years’ experience
  • Minimum 10 years of experience in Big Data and distributed computing
  • Minimum 10 years of experience programming in Java, scala, python, Springboot & Nodejs
  • Strong experience with cloud‑native ecosystems (GCP), including BigQuery, Serverless, Pub/Sub, or equivalent
  • Expertise in batch and streaming technologies (Kafka, Spark Structured Streaming, Flink, Druid, etc.)
  • Experience working with hybrid architectures that support both real‑time operations and analytical workloads
  • Strong understanding of semantic modeling, embeddings, knowledge graphs, and vector indexing.
  • Experience supporting RAG, context‑aware AI, and agent orchestration through data platform design.
  • Fluency in Python, Java, or Scala.
  • Deep experience with Spark/ PySpark and large‑scale SQL optimization.
  • Demonstrated ability to lead through influence in complex, matrixed organizations.

Benefits

Comp & perks
  • Incentive awards for performance
  • Maternity and parental leave
  • PTO
  • Health benefits
  • Best-in-class benefits

ATS Keywords

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Hard Skills & Tools
JavaScalaPythonSpringbootNodejsBig DataDistributed ComputingData PipelinesBatch TechnologiesStreaming Technologies
Soft Skills
LeadershipSupervisionDevelopment OpportunitiesCommunicationInfluenceEthicsIntegrityCommunity Outreach
Certifications
Bachelor’s Degree in Computer Science