Ranjith Nathi
Ranjith Nathi

Senior Data Engineer

Actively looking · Member since 16 Oct 2026
Location
Dallas, United States
Desired salary
Unspecified
Work preference
Remote Only
Experience level
Senior

About

Professional summary

I am a Data Engineer with over five years of experience building and operating large-scale data pipelines for healthcare, retail, and financial-services-related data environments.

I specialize in SQL, Python, Apache Spark, PySpark, and scalable ETL/ELT development. I build reliable batch and streaming pipelines, including Kafka-based ingestion and processing workflows.

I have hands-on experience with cloud data platforms across Azure, AWS, and GCP. My work includes Azure Synapse, Azure Databricks, ADLS, Azure SQL, AWS EMR, S3, Glue, Redshift, GCP Dataproc, BigQuery, Snowflake, and Databricks.

I manage data workflows end to end, from source ingestion and transformation to dimensional modeling, warehousing, reporting, and delivery. I use Apache Airflow and Azure Data Factory to orchestrate dependable recurring loads and automate manual processes.

I prioritize data quality, governance, performance optimization, and maintainable documentation. I have implemented validation, profiling, logging, error handling, alerting, incremental loads, CDC, and HIPAA-compliant data practices.

I also collaborate closely with engineering, operations, and business stakeholders to define requirements, standardize metrics, and deliver actionable dashboards and KPI reporting through Power BI and Tableau.

Skills

36 capabilities

Tech stack & tools

Working toolkit

Collaboration

Experience

Career history

Data Engineer Los Angeles County - Department of Health Services

Build and maintain ETL/ELT pipelines that ingest clinical, housing, and operational data from multiple source systems into Azure SQL and Synapse warehouses. Use Spark and Hive for large-scale processing and develop Spark SQL and PySpark transformations.

Create dimensional data models for Housing for Health reporting, KPI tracking, and CQI initiatives used by more than 200 staff through Power BI. Schedule and monitor loads using Apache Airflow and Azure Data Factory, while implementing validation, quality checks, logging, error handling, alerting, and HIPAA-compliant performance improvements.

Data Engineer Walgreens

Built and maintained SQL, Python, and Spark ETL/ELT pipelines that ingested millions of daily pharmacy and retail transaction records into an Azure SQL warehouse. Developed distributed PySpark and Spark SQL jobs for large datasets and tuned partitions and joins to meet processing windows.

Designed star-schema dimensional models and orchestrated overnight recurring loads with Apache Airflow. Implemented validation, profiling, and data-quality checks, and optimized transformations with indexing, incremental loads, and CDC to reduce recurring data-preparation effort.

Data Engineer Wipro

Built Spark, Hive, and Kafka data pipelines for high-volume operational and digital-workplace datasets. Implemented Kafka streaming into staging environments to support near-real-time reporting.

Created automated SQL and Spark SQL workflows and reusable datasets that reduced manual data preparation. Produced executive dashboards and KPI reports in Power BI and partnered with engineering and operations teams to define requirements, validate data, and standardize metric definitions.

Education

Learning history

Governors State University

Master of Science, Health Informatics

Master of Science in Health Informatics, Governors State University, Illinois, United States.

Osmania University

Bachelor of Science (B.Sc.)

Bachelor of Science degree, Osmania University, Hyderabad, India.

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