Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic
Durga Naga Malleswararao Sajja

Durga Naga Malleswararao Sajja

Azure Data Engineer
Hyderabad

Summary

Results-driven Azure Data Engineer with 3+ years of experience in Tata Consultancy Services, skilled in optimizing ETL pipelines and enhancing data quality through Python and SQL with secure, cost-efficient data solutions.

  • Hands on experience in working on Python.
  • Hands-on experience with various data storage solutions such as Azure Data Lake Storage, and Azure Blob Storage.
  • Have extensive experience in creating Data pipeline jobs, schedule triggers using Azure data factory.
  • Good understanding of Spark Architecture including Py-Spark Core, Spark SQL, Data Frames, Spark
    Streaming and Hands on experience in SQL query analysis.
  • Experience on Migrating On-Prem database to Azure data Lake, Azure Blob Storage, AzureSQL Database.
  • Good Experience of Data transformations and Data Modelling

Overview

4
4
years of professional experience
1
1
Certification
3
3
Languages

Work History

Azure Data Engineer

Tata Consultancy Services
05.2022 - Current
  • Optimized data processing by implementing efficient ETL pipelines and streamlining database design.
  • Collaborated on ETL (Extract, Transform, Load) tasks, maintaining data integrity and verifying pipeline stability.
  • Enhanced data quality by performing thorough cleaning, validation, and transformation tasks.
  • Automated routine tasks using Python scripts, increasing team productivity and reducing manual errors.
  • .Fine-tuned query performance and optimized database structures for faster, more accurate data retrieval and reporting.
  • Collaborated with cross-functional teams for seamless integration of data sources into the company''s data ecosystem.
  • Conducted extensive troubleshooting to identify root causes of issues and implement effective resolutions in a timely manner.
  • Planned and installed upgrades of database management system software to enhance database performance.

Education

B.Tech - Electrical, Electronics And Communications Engineering

St'Anns College of Engineering And Technology
Chirala
04.2001 -

Skills

    PYSPARK

    Python, SQL

    SQL-Server, Azure SQL

    AZURE

    ADF, Databricks, Informatica

Certification

Certified [Data Engineer Associate]

Timeline

Certified [Data Engineer Associate]

08-2025

Azure Data Engineer

Tata Consultancy Services
05.2022 - Current

B.Tech - Electrical, Electronics And Communications Engineering

St'Anns College of Engineering And Technology
04.2001 -
Durga Naga Malleswararao SajjaAzure Data Engineer