SAI SANDILYA KOMMANA

Data Engineer

Bangalore, IN.

About

Results-driven Data Engineer with 4+ years of experience in designing, building, and maintaining scalable big data pipelines. Proficient in Python, PySpark, Apache Airflow, and a suite of AWS services including S3, EMR, Lambda, CloudWatch, and CodeBuild. Adept at CI/CD automation, data modeling, and cloud-native engineering, consistently delivering optimized data solutions for analytics and reporting.

Work

KPMG

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Data Engineer

Bangalore, Karnataka, India

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Summary

Currently serving as a Data Engineer at KPMG, designing and orchestrating scalable data pipelines and developing robust ETL workflows for critical data solutions.

Highlights

Designed and orchestrated scalable big data pipelines leveraging Apache Airflow and Apache Spark to process high-volume datasets.

Developed Python-based ETL workflows, integrating robust data quality validation to ensure data integrity and accuracy.

Automated deployments using AWS CodeBuild and managed infrastructure with Git-based CI/CD, streamlining release cycles.

Utilized AWS S3, EMR, Lambda, and CloudWatch to build and monitor scalable, cloud-native data solutions.

Optimized Directed Acyclic Graph (DAG) performance for time-sensitive batch data workflows, enhancing data delivery efficiency.

NewAgelt Technologies Pvt Ltd

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Data Engineer

Mumbai, Maharashtra, India

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Summary

As a Data Engineer at NewAgelt Technologies, I built and maintained ETL pipelines, significantly improving data processing efficiency.

Highlights

Engineered and maintained ETL pipelines, improving overall data processing efficiency by 30% through strategic optimizations.

Integrated diverse data from heterogeneous sources into a centralized data warehouse, enabling unified analytics and reporting.

Tuned complex SQL queries and Spark jobs for optimized performance, reducing data retrieval and processing times.

Developed and maintained robust data models for various analytics and reporting use cases, supporting data-driven decision-making.

Provided proactive monitoring and rapid issue resolution for production workflows, minimizing downtime and ensuring data consistency.

Education

ANITS College of Engineering

Visakhapatnam, Andhra Pradesh, India
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Bachelor's Mechanical Engineering Grade: 6.0 CGPA

Languages

English

Skills

Data Engineering

Big Data Pipelines, ETL, Data Modeling, Cloud-Native Engineering, Data Quality Validation, Data Delivery, Production Workflows, Data Warehousing, Data Integration, Data Optimization, Data Monitoring, Issue Resolution.

Programming Languages

Python, PySpark, SQL.

Cloud Platforms & Services

AWS S3, AWS EMR, AWS Lambda, AWS CloudWatch, AWS CodeBuild.

Big Data Technologies

Apache Airflow, Apache Spark.

DevOps & CI/CD

CI/CD Automation, Git.

Certificates

Google Cloud Certified - Associate Cloud