Sai Rohit Kumar Pasumarthi

Azure Data Engineer with 5+ years of experience in designing, developing, and maintaining enterprise-scale data platforms using Azure Data Factory, Azure Databricks, PySpark, Delta Lake, ADLS Gen2, Azure SQL Database, and Azure DevOps. Experienced in building ETL/ELT pipelines, Lakehouse architectures, data quality frameworks, performance optimization, incremental loading, CI/CD automation, and largescale data transformation projects.

Azure Data Engineer - Texplorers India Pvt Ltd

(2026-03)

Client: Halliburton

• Designed and developed end-to-end ETL/ELT pipelines using Azure Data Factory and Azure Databricks.
• Developed scalable PySpark notebooks for large-scale data transformation and cleansing.
• Implemented Delta Lake architecture with optimized storage and processing patterns.
• Created monitoring, alerting, logging, and error-handling frameworks.
• Actively participated in Agile development processes, including sprint planning, daily stand-ups, and sprint reviews.
• Worked closely with business stakeholders and data analysts to deliver reporting solutions.
• Built Bronze, Silver, and Gold layers following medallion architecture principles.

Software Engineer - Oberon Infotech Pvt Ltd

(2023-07 - 2026-03)

Project: Enterprise Data Integration for TotalEnergies

• Developed metadata-driven ingestion frameworks using Azure Data Factory.
• Built data pipelines for structured and semi-structured data sources.
• Implemented incremental loading and data validation frameworks.
• Developed Spark SQL and PySpark transformations in Azure Databricks.
• Optimized Spark jobs and improved pipeline performance.
• Participated in code reviews, release deployments, and Agile ceremonies.

Software Developer - O2F Info Solutions Pvt Ltd

(2023-04 - 2023-07)

Project: BP (British Petroleum) Demand in India

• Developed ADF pipelines for data ingestion and orchestration.
• Created Databricks notebooks for data transformation and business reporting.
• Implemented monitoring and exception-handling mechanisms.
• Collaborated with business users to understand reporting requirements.

Software Engineer - Megamax Services Pvt Ltd

(2021-07 - 2023-03)

Project: Horizon Product Modernization

• Developed ETL pipelines using Azure Data Factory and Databricks.
• Created PySpark notebooks for processing CSV, JSON, and Parquet data.
• Implemented Delta Lake storage and processing architecture.
• Optimized Spark workloads and improved data processing efficiency.
• Developed reusable frameworks for enterprise data integration.