Data Engineer(Snowflake, SQL, Python, AWS)

NANDA KUMAR REDDY

Location: TX Phone: +1-469-***-****

Email: *****.*********@*****.***

LinkedIn: www.linkedin.com/in/nanda-bodireddy-11b8a21a1

PROFESSIONAL SUMMARY

Data Engineer with 5+ years of experience specializing in designing, developing, and optimizing ETL pipelines, including integration with SAP systems.

Proven expertise in cloud data warehousing (Snowflake), data modeling, big data processing, and utilizing AtScale for data virtualization and analytics.Skilled in building cloud-native data solutions on AWS (S3, Lambda, Glue, EC2) and Azure platforms.

Hands-on experience with ETL tools including Talend, Matillion, SQL, Python, MS SSIS, and MS SSAS.

Experienced in integrating diverse data sources into scalable analytics systems and implementing data quality frameworks.

Knowledge of Java, Spring Boot, data lake architectures, workflow automation, and enterprise-level ETL development.

TECHNICAL SKILLS

ETL & Data Integration: Talend, Matillion, SQL, Python, Ataccama ONE, MS SSIS, MS SSAS, SAP Integration

Cloud & Big Data: AWS (S3, Lambda, Glue, EC2), Azure Data Services, Databricks, Hadoop, Apache Spark

Data Warehousing: Snowflake, MSSQL, Oracle, PostgreSQL, MongoDB, Cassandra, AtScale

Data Engineering: ETL Pipelines, Data Modeling, Data Lakes, Data Quality, Data Cleansing

Programming Languages: Python, SQL, Java

Visualization Tools: Tableau, Power BI

DevOps & Version Control: Jenkins, Docker, Kubernetes, Git, CI/CD Pipelines

Tools & Platforms: IntelliJ, Eclipse, VS Code, SharePoint, JIRA, Rally (Agile/Scrum)

EDUCATION

University of North Texas TX

Master’s in computer and information science Dec 2022

KL University, Vijaywada India

Bachelor’s in computer science May 2018

WORK EXPERIENCE

Data Engineer Sonata Software Client - Truist Feb 2023 – Apr 2025

Designed, developed, and maintained ETL pipelines using Talend, Matillion, SQL, and Python to ingest structured and unstructured banking data into Snowflake.

Built scalable cloud-native ETL solutions using AWS services (S3, Lambda, Glue) for efficient data ingestion and transformation.

Created optimized Snowflake data models with clustering, partitioning, and query optimization techniques.

Developed reusable Talend and Matillion components and parameterized jobs to automate complex ETL workflows.

Integrated diverse source systems (Oracle, PostgreSQL, MongoDB) into a consolidated Snowflake warehouse.

Designed and implemented robust data quality and validation frameworks within Talend pipelines.

Worked extensively with MS SSIS and MS SSAS for integration and analytical processing.

Tuned Snowflake virtual warehouses for cost-efficiency and enabled automatic scaling.

Automated data pipeline deployment and monitoring through Jenkins, Docker, Kubernetes, and Git.

Built real-time data integration between Snowflake and Power BI dashboards.

Mentored junior developers on Talend ETL design, Snowflake modeling, AWS data services, and Matillion best practices.

Data Engineer Quant Systems Client – Cigna Healthcare May 2018–Aug 2021

Developed ETL pipelines using Talend, SQL, and Python to integrate healthcare data into Snowflake and Azure data platforms, including data from SAP systems.

Built and optimized Snowflake data warehouse solutions for efficient storage and high query performance.

Designed Azure-based data lakes using Azure Blob Storage, Azure Data Factory, and Databricks.

Implemented data modeling (star schema, snowflake schema) and built analytics-ready data marts.

Created automated Talend workflows for data validation and transformation.

Integrated machine learning predictive models into ETL workflows for health risk identification.

Migrated legacy healthcare data systems to modern cloud-based architecture using Azure and Snowflake.

Developed visual dashboards using Tableau and Power BI for real-time healthcare insights, leveraging AtScale for semantic modeling and query acceleration.

Maintained documentation and best practices for ETL design, source-to-target mappings, and data validation.

Automated code versioning, integration, and deployment using Git.

CERTIFICATION

SnowPro Core Certification — Issued by Snowflake

Ataccama ONE v15 DQG Consumer Certification — Issued by Ataccama

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