(ind) Senior, Software Engineer (big Data)

Walmart Walmart · Retail · Bangalore, KA, India

Senior Software Engineer role focused on Big Data within Walmart International, responsible for coding, unit testing, and building scalable applications for supply chain management and customer experience. The role involves data strategy, transformation, integration, modeling, and governance, utilizing technologies like Hadoop, Hive, Spark, Kubernetes, and cloud platforms.

What you'd actually do

  1. Data Strategy: Understands, articulates and applies principles of the defined strategy to routine business problems that involve a single function.
  2. Data Transformation and Integration: Extracts data from identified databases. Creates data pipelines and transform data to a structure that is relevant to the problem by selecting appropriate techniques. Develops knowledge of current analytics trends.
  3. Data Source Identification: Supports the understanding of the priority order of requirements and service level agreements. Helps identify the most suitable source for data that is fit for purpose. Performs initial data quality checks on extracted data.
  4. Data Modelling: Analyses complex data elements, systems, data flows, dependencies, and relationships to contribute to conceptual, physical and logical data models. Develops the Logical Data Model and Physical Data Models including data warehouse and data mart designs. Defines relational tables, primary and foreign keys and stored procedures to create a data model structure. Evaluates existing data models and physical databases for variances and discrepancies. Develops efficient data flows. Analyses data-related system integration challenges and proposes appropriate solutions.
  5. Code Development and Testing: Writes code to develop the required solution and application features by determining the appropriate programming language and leveraging business, technical and data requirements. Creates test cases to review and validate the proposed solution design. Creates proofs of concept. Tests the code using the appropriate testing approach. Deploys software to production servers. Contributes code documentation, maintains playbooks, and provides timely progress updates.

Skills

Required

  • Data Engineering
  • Hadoop
  • Hive
  • Spark using Scala
  • Kubernetes
  • Cloud
  • API
  • Data Lake concepts
  • Java
  • Python
  • GCP
  • Azure
  • data modelling
  • data migration protocols
  • Kafka connect
  • Druid
  • Big Query
  • Looker
  • Automic
  • Airflow

Nice to have

  • Kafka connect
  • Druid
  • Big Query
  • Looker
  • Automic
  • Airflow

What the JD emphasized

  • high performance and scalable applications
  • high standards
  • extremely high standard of code quality, system reliability, and performance