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citysiva180/README.md

Hi there 👋 I'm Sivarajan

AWS Data Engineer | Backend Developer | Distributed Systems Practitioner

I'm passionate about building scalable data platforms, event-driven systems, and AI-backed applications using AWS, Python, and modern backend technologies.

🚀 About Me

  • 👨‍💻 8+ years experience building cloud-native solutions across Logistics, Healthcare, Insurance & Analytics domains.
  • 🛠 Skilled in AWS (ECS, Lambda, Glue, Kinesis, DynamoDB, Redshift), PySpark, FastAPI, Terraform & SQL.
  • 📊 Strong background in data engineering, ETL pipelines, and distributed system design.
  • 🤖 Practitioner of async backend patterns, monitoring frameworks, and high-throughput data workflows.
  • 📦 Currently focused on making data platforms reliable, observable, and scalable at enterprise scale.

📌 What I Build

🔹 Data Platforms & ETL

Designing robust, scalable ETL pipelines with:

  • S3 + Glue + Redshift
  • Event-driven architectures (EventBridge, Kinesis)
  • Monitoring & alerting frameworks

🔹 Backend APIs & System Design

Building RESTful and async backend services using:

  • FastAPI + Docker + Terraform
  • Kubernetes (Azure AKS / AWS ECS)
  • Redis / DynamoDB caching strategies

🔹 Fullstack & Interfaces

Frontend & tooling work using:

  • React + Ant Design
  • Streamlit for analytics interfaces

📁 Featured Repositories

Here are some highlighted projects:

Repository Focus
data_engineering_literacy Core concepts & patterns for modern data engineering
PySpark_Exclusive_Learning PySpark hands-on samples & transformation logic
aws_solutions_architect Notes & use-cases on AWS architecture best practices
Python-DataStructures-and-Algorithms Data structures & algorithm implementations
data_visualization_pandas Pandas-based charts & exploratory data visualization
design_patterns_python Python design patterns for reusable clean code

(More projects available in the repo list)

📫 How to Reach Me

📈 GitHub Stats

Siva's GitHub stats

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  1. data_engineering_literacy data_engineering_literacy Public

    This repo is completely dedicated for Learning Data Engineering Concepts which includes Managing Data Ware House, Data Lakes, Marts, Cubes and Other Data Engineering Elements

  2. data_visualization_pandas data_visualization_pandas Public

    Data Visualization with Pandas Repository is the notes for the Udemy Course Data Visualization Master Class by Colt Steele. This consists of the complete notes I have spent learning

    Jupyter Notebook

  3. PySpark_Exclusive_Learning PySpark_Exclusive_Learning Public

    PySpark Exclusive learning deals with PySpark Syntaxes and Machine Learning from Spark. Spark being the tier-1 tool for any data engineer, this repo is intended to take a holistic approach on the s…

    Jupyter Notebook

  4. Python-DataStructures-and-Algorithms Python-DataStructures-and-Algorithms Public

    This repo is dedicate code and notes for Data Structures and Algorithm including Binary Tree, Hash Maps, Graphs and Tree- Traversel. This repository is a serious pursuit for learning Data Structure…

    Python

  5. aws_solutions_architect aws_solutions_architect Public

    Complete AWS Solutions Architect Notes Repo with Descriptive notes on Individual Services. This includes my pursuit to complete AWS Solution Architect holistically by not just learning but also gai…

    Shell

  6. design_patterns_python design_patterns_python Public

    This repo is a dedicated notes repo for Design patterns in python. it would be used for adding and identifying code patterns for Data Engineering.

    Python