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Data Engineer - Data Lake @ Wissen Infotech

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 Data Engineer - Data Lake

Job Description

Data Engineer Data Lakes

Exp: 7+ Years

Location :Bangalore

Notice:Immediate


Key Experience & Expertise


  • Extensive hands-on experience in Partitioning Delta Lake Tables to achieve optimized query performance and storage efficiency.
  • Proficient in reading, interpreting, and reporting Delta Lake Transaction Logs to ensure data reliability and consistency.
  • Strong expertise in transforming streaming data and building Delta Live Tables (DLT) pipelines for real-time analytics.
  • Proven ability to design and implement Slowly Changing Dimensions (SCDs) using PySpark for scalable data warehousing solutions.
  • Skilled in configuring and leveraging Auto Optimize to enhance Delta Lake performance.
  • Practical knowledge of Directed Acyclic Graphs (DAGs) for workflow orchestration (e.g., Airflow, Databricks Workflows).
  • Proficient in developing and managing Materialized Views for accelerating queries and optimizing performance.
  • In-depth understanding of Medallion Architecture (Bronze, Silver, Gold layers) to structure data pipelines in a Lakehouse environment.
  • Strong focus on performance tuning and PySpark best practices, including:
    • Efficient implementation of Window Functions
    • Optimized Merge operations for handling large-scale datasets

Job Classification

Industry: IT Services & Consulting
Functional Area / Department: Data Science & Analytics
Role Category: Data Science & Machine Learning
Role: Data Engineer
Employement Type: Full time

Contact Details:

Company: Wissen Infotech
Location(s): Bengaluru

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Keyskills:   Pyspark Delta Lake Transaction Logs Data Engineer Delta Lake Data Bricks Delta Live Tables Directed Acyclic Graphs

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Wissen Infotech

Company ProfileWissen Infotech Pvt. Ltd. WT