Overview
Work History
Education
Skills
Projects
Timeline
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Sai Koushik

Hyderabad

Overview

4
4
years of professional experience

Work History

Associate Software Engineer II

Optum
Hyderabad
04.2025 - Current
  • Delivered 30+ production ETL pipelines in Python for efficient data loading from Snowflake, Hadoop, Excel, and ERUHG into SQL Server (SSMS).
  • Reduced manual effort by 10 hours/week by automating 10+ manual processes with Python and shell scripting, along with notifications and workflows.
  • Supported daily production jobs across Airflow, Snowflake, and SQL Server, improving reliability and cutting resolution time by 25%.
  • Collaborated with 5+ cross-functional teams to develop Python automation, schedule server-side jobs, manage Git deployments, and ensure timely delivery of production-ready data solutions.

Technical Associate

Sears Holdings India
Hyderabad
11.2023 - 01.2025
  • Designed 50+ scalable ETL pipelines using Python, PySpark, and Shell, optimizing data processing by 60%.
  • Optimized SQL queries in BigQuery and Snowflake, reducing execution time by 50%.
  • Orchestrated data workflows on AWS (S3, EC2) and GCP with Airflow, Control-M, and CI/CD pipelines to streamline data management.
  • Collaborated with cross-functional teams to migrate and integrate 10+ TB of data, enhancing system performance by 25%.

Associate Software Engineer

Sears Holdings India
Hyderabad
11.2022 - 11.2023
  • Reengineered ETL pipeline architecture for parallel processing of 1M+ daily data points, cutting reporting latency by 30%.
  • Deployed and managed AWS services (EC2, S3, Glue) for data processing pipelines, optimizing infrastructure costs by 20%.
  • Managed 50+ daily batch jobs in Control-M and Airflow, maintaining 99.9% success rate.
  • Automated data extraction and loading into GCP using Python and Shell, saving 80% of manual effort.

Education

B.Tech - Information Technology

Institute of Aeronautical Engineering
Hyderabad, India
07-2023

Skills

  • Programming languages: Python, SQL, PySpark, Shell scripting, Apache Spark
  • Data tools: Apache Airflow, Snowflake, Databricks, REST APIs, VS Code
  • Cloud platforms: AWS, Microsoft Azure
  • DevOps and version control: Git, GitHub, CI/CD pipelines

Projects

  • Developed and automated financial data integration pipelines using Python, SQL, Pandas, and Snowflake to deliver standardized reporting datasets across enterprise platforms.
    Improved operational efficiency by 75%, eliminating manual processing and reducing report generation and deployment time from hours to minutes.
  • Automating Citi Bank Data Integration, Source Code, Developed a scalable ETL pipeline processing 10K+ XML records daily using Python and Shell scripting., Engineered workflows for XML-to-CSV transformation and loading into BigQuery, improving data processing efficiency by 30%., Integrated Apache Airflow for task orchestration and optimized performance on AWS (S3, EC2) and GCP (BigQuery).

Timeline

Associate Software Engineer II

Optum
04.2025 - Current

Technical Associate

Sears Holdings India
11.2023 - 01.2025

Associate Software Engineer

Sears Holdings India
11.2022 - 11.2023

B.Tech - Information Technology

Institute of Aeronautical Engineering
Sai Koushik