POLAMARASETTY VIGNESH RAHUL CHANDRA

Data Engineering and Analytics Professional
Visakhapatnam, IN.

About

Highly motivated Data Engineering and Analytics professional with a B.Tech in Electronics and Communication, specializing in cloud-based ETL, big data processing, and advanced analytics. Proven ability to design and optimize scalable data pipelines on GCP and Hadoop, create interactive dashboards, and deliver actionable insights. Eager to leverage strong technical skills in PySpark, BigQuery, and Looker Studio to drive data-driven strategies and enhance business outcomes.

Work

Revature
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Data Engineering and Analytics Intern

Summary

Spearheaded the development and optimization of cloud-based ETL pipelines and real-time processing solutions to deliver actionable business insights within an agile data engineering environment.

Highlights

Built and optimized ETL pipelines using PySpark, Apache Spark, and Hive to efficiently process large datasets, significantly improving data processing speed and reliability.

Designed and implemented scalable, cost-effective data pipelines on Google Cloud Platform (GCP) leveraging BigQuery, Dataproc, Cloud Storage, and Cloud Composer.

Developed real-time and batch processing solutions within the Hadoop ecosystem, integrating structured and semi-structured data sources for unified analytics.

Created interactive dashboards and reports using Looker Studio to visualize key performance indicators (KPIs) and deliver actionable business insights to stakeholders.

Collaborated effectively in an agile environment, building end-to-end data engineering solutions while adhering to best practices for data quality, transformation, and performance optimization.

Skills

Programming & Query Languages

Python (Pandas, NumPy, PySpark), SQL (MySQL, PostgreSQL), Scala.

Databases & Storage

MySQL, PostgreSQL, MongoDB, BigQuery, Snowflake.

Data Engineering Tools

Apache Spark, Apache Airflow, Kafka, Hive, Dataproc, Cloud Composer, dbt.

Cloud Platforms

GCP (BigQuery, Cloud Storage, Dataproc, Dataflow), AWS (S3, Glue, Redshift).

Data Analysis & Visualization

Tableau, Power BI, Looker, Excel, Matplotlib, Seaborn.

Data Warehousing & Modeling

Star/Snowflake Schema, OLAP/OLTP concepts, Fact & Dimension tables.

Version Control & DevOps

Git, Docker (basics), CI/CD (Jenkins or GitHub Actions).

Education

Raghu Engineering College
Visakhapatnam, Andhra Pradesh, India

B.Tech

Electronics and Communication

Grade: 6.91/10 CGPA

Courses

Database Systems

Data Warehousing

Big Data Processing

Certificates

Python Essentials

Issued By

MICROSOFT

Generative AI

Issued By

LINKEDIN

Programming foundations

Issued By

LINKEDIN

Python for Software

Issued By

CHEGG

Developer and Technology Job Simulation

Issued By

ACCENTURE

Data Science

Issued By

YBI Foundation

Projects

Failed Banking Transactions Data Pipeline

Summary

Implemented automated pipelines to ingest and process high-volume banking transactions using distributed compute frameworks on cloud clusters, focusing on data integrity, anomaly detection, and regulatory reporting.

Global Sales Analysis ETL and Predictive Modeling

Summary

Designed and deployed a cloud-based ETL pipeline to integrate multi-format sales data from eight countries into a centralized data warehouse, incorporating predictive models for enhanced decision support.