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Biswajit107927/README.md

Hi, I'm Biswajit Praharaj 👋

Senior Data Engineer | 14 Years Experience | 10+ Years at Amazon

AWS Certified Data Engineer - Associate


🚀 About Me

I build production-scale data infrastructure that powers business decisions at enterprise scale.

  • 🏗️ Architected a data lake serving 2,200+ users and $1.8B+ in marketing budgets
  • 99.9% pipeline availability across 8+ enterprise business units
  • 🎯 33+ technical interviews conducted as Amazon interview panelist
  • 🛡️ AWS Certified Data Engineer – Associate
  • 📍 Based in Seattle, WA

🔧 Tech Stack

Python Apache Spark Apache Airflow Amazon AWS Amazon Redshift SQL

Data Platforms: Apache Iceberg · AWS Glue · Amazon S3 · Data Lakehouse Architecture

Streaming & Orchestration: Amazon Kinesis · Apache Airflow (MWAA) · Dynamic DAG Generation

Warehousing: Amazon Redshift · Amazon Athena · DynamoDB · Redshift Spectrum

Governance: RLS · CLS · PII Masking · Data Contracts · DLQ · Metadata Management


📂 Featured Projects

Project Description Tech
data-platform-quicksight End-to-end data platform — Kinesis → Glue → Iceberg → Redshift → QuickSight with automated self-serve analytics Python · AWS · Airflow
StockGPT AI research agent for stock market analysis — Gemini 2.5 + FastAPI + React/TypeScript + DuckDB Python · GenAI · React
transaction-pipeline Production financial transaction processing — deduplication, currency conversion, top spender analysis Python
depytools Production-grade Python, SQL & Spark patterns for Data Engineers + AWS DE cert prep Python · SQL · Spark
service-humanity-website Live website for a 43-year-old orphanage foundation in India Next.js · TypeScript · Tailwind

📊 Impact at a Glance

Metric Value
Users served 2,200+
Marketing budgets managed $1.8B+
Daily events processed 10M+
Pipeline availability 99.9%
Technical interviews conducted 33+
Teams using my frameworks 12+

📫 Connect With Me

LinkedIn GitHub

Popular repositories Loading

  1. data-platform-quicksight data-platform-quicksight Public

    End-to-end AWS data platform — Kinesis → Glue → Iceberg → Redshift → QuickSight with automated self-serve analytics and zero manual onboarding

    Python 5

  2. depytools depytools Public

    Production-grade Python & SQL patterns for Data Engineers — deduplication, windowing, batch processing, and more. Built for real-world pipelines and interview prep.

    Python 1

  3. Biswajit107927 Biswajit107927 Public

  4. transaction-pipeline transaction-pipeline Public

    Production-quality financial transaction processing pipeline in Python

    Python

  5. StockGPT StockGPT Public

    AI research agent for stock market analysis. Gemini 2.5 + FastAPI + React/TypeScript + DuckDB. Native function-calling with self-correction

    Python

  6. service-humanity-website service-humanity-website Public

    Live website for a 43-year-old orphanage foundation in India. Next.js · TypeScript · Tailwind · Cloudflare Pages

    TypeScript