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Totakura Subrahmanyam

@totakurasubrahmanyam

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Senior Data Engineer specializing in AWS ETL/ELT and PostgreSQL.

India

Message

What I'm looking for

I am seeking a data engineering role focused on building scalable AWS ETL/ELT pipelines, PostgreSQL optimization, and CI/CD-driven data platform delivery in a collaborative, growth-oriented team.

I am a Senior Data Engineer with over 6 years of experience designing, developing, and maintaining scalable ETL/ELT pipelines and enterprise data warehouse solutions. I have strong hands-on expertise in PostgreSQL, relational database design, and SQL query optimization, and I consistently deliver performance improvements for analytics workloads.

I build and deploy AWS data solutions using Amazon S3, AWS Lambda, AWS Glue, Amazon RDS, and Amazon ECS, and I apply Python-based data processing alongside DevOps CI/CD practices. My work includes dimensional modeling, ELT workflows, and tuning large-scale data pipelines to reduce runtimes and improve query performance.

Across roles I have optimized SQL queries and indexing strategies, reduced ETL batch runtimes, automated data validation with Python, and supported containerized and orchestration solutions. I focus on reliable, maintainable data platforms that enable faster insights and scalable analytics.

Experience

Work history, roles, and key accomplishments

Current

Senior Data Engineer

Current

Contenterra Software

Dec 2024 - Present (1 year 2 months)

Design and maintain high-volume ETL/ELT pipelines and AWS data solutions, implementing PostgreSQL stored procedures and AWS Glue/Lambda to improve analytics performance; optimized SQL and indexing to increase query performance by 30%.

ETL AWS Glue AWS Lambda Amazon S3 Amazon RDS PostgreSQL SQL Optimization CI CD Python

Senior Software Development Engineer

Mresult Services

Jun 2023 - Oct 2024 (1 year 4 months)

Built scalable ETL workflows with IBM DataStage and Azure Data Factory and designed enterprise data warehouse schemas, reducing ETL batch runtime by 25% through tuning and parallelization.

DataStage Azure Data Factory PostgreSQL SQL Server Data Warehousing ETL Python ELT Data Validation

Associate Software Engineer

KPIT Technologies

Sep 2019 - May 2023 (3 years 8 months)

Supported ETL/ELT workflows and dimensional modeling for enterprise data consolidation, improving data quality through validation and optimized SQL for reporting and analytics.