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  • 16:04 (UTC +05:30)

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Chaitanysai/README.md

Hi, I'm Chaitanya Sai 👋

I’m a Data Engineer with 3+ years of experience building and optimizing large-scale ETL pipelines in enterprise production environments. I specialize in designing reliable, high-performance data workflows that process multi-terabyte datasets with a strong focus on scalability, automation, and data quality.


🚀 What I Do

  • Design and optimize large-scale ETL pipelines
  • Work with distributed data processing frameworks like PySpark
  • Build cloud-based data solutions using Google Cloud Platform (BigQuery, GCS, Dataflow)
  • Automate workflows using Python and Shell scripting
  • Improve performance through query optimization and partition strategy
  • Ensure production stability through monitoring, root cause analysis, and SLA-driven engineering

🛠 Core Technologies

Languages

  • Python
  • SQL
  • Bash

Big Data & Processing

  • PySpark
  • Apache Spark
  • Ab Initio

Cloud & Data Platforms

  • Google Cloud Platform (BigQuery, Cloud Storage, Dataflow)
  • Teradata

Orchestration & Automation

  • Control-M
  • Unix/Linux

Data Concepts

  • Data Warehousing
  • ETL/ELT
  • Data Modeling
  • Performance Tuning

📊 What You’ll Find Here

  • Distributed data processing projects
  • Spark optimization experiments
  • Scalable batch pipeline designs
  • Cloud-native data architecture explorations
  • System design practice for data engineering

🎯 Professional Background

Currently working in enterprise data environments, managing 200+ production ETL jobs processing 10TB+ data daily. My work involves pipeline optimization, automation, incident management, and cloud migration initiatives.

I’m actively transitioning toward modern, cloud-native data engineering with a strong focus on distributed systems and scalable architecture.


🌱 Currently Learning

  • Advanced PySpark optimization
  • Distributed systems fundamentals
  • Modern orchestration patterns
  • Data engineering system design

🤝 Let’s Connect

I’m always open to collaboration, knowledge-sharing, and discussions around data engineering, cloud architecture, and scalable data systems.

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