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sunilmakkar/README.md

👋 Hi, I’m Sunil! | Data & Analytics Engineer

🔧 What I’m Building

I bridge the gap between raw data and actionable insights. My focus is on Medallion Architecture, modular data modeling with dbt, and building the infrastructure that powers AI/LLM applications. While I am a fan of the Modern Data Stack and primarily work with batch pipelines, I love getting my hands dirty with real-time and near real-time systems, from high-frequency pollers to event-driven streaming.

💼 Background

  • Recent Applied Data Engineering grad from WeCloudData (June 2025).

  • Experience building production-grade pipelines within Snowflake-centric architectures, as well as AWS, Azure, and local OLAP environments.

🚀 Core Stack

  • Data: Snowflake, dbt, DuckDB, PostgreSQL, Delta Lake, Airflow.

  • Data Modeling: Medallion Architecture, Kimball Star Schema, Fact/Dimension Modeling.

  • Engineering: Python, Kafka, PySpark, FastAPI, Docker, systemd, Airflow, Celery, SQLAlchemy, Redis.

  • AI: RAG Systems, Vector DBs (Qdrant), LLM APIs (OpenAI/Gemini), LangChain.

📂 Featured Work

  • 🎧 Spotify Data Platform: A hybrid Kafka-S3-Snowflake pipeline + a real-time playback poller.

  • 🇧🇷 Olist E-commerce: End-to-end dbt transformation layer using Kimball Star Schema.

  • 🤖 YouTube Sentiment: Async FastAPI/Celery pipeline processing 10k+ comments.

  • 🗳️ Election Monte Carlo: Distributed Spark simulation of the 2016 Electoral College.

📝 Let's Connect I’m always down to chat about data modeling, the future of AI infra, or the best way to optimize an Airflow DAG.

🎯 Currently focused on Analytics Engineering & Data Platform opportunities.

Pinned Loading

  1. spotify-data-pipeline spotify-data-pipeline Public

    Build a production-grade data pipeline that mimics Spotify's data infrastructure - from event generation through transformations to analytics and recommendations. Demonstrate end-to-end data engine…

    HTML 1

  2. olist-e-commerce-data-pipeline olist-e-commerce-data-pipeline Public

    This project builds a scalable, production-grade data pipeline for the Olist E-commerce dataset (the largest public dataset of Brazilian e-commerce). The pipeline transitions from raw, messy CSV da…

    Jupyter Notebook

  3. youtube-sentiment-analyzer youtube-sentiment-analyzer Public

    Async FastAPI service that ingests YouTube comments, runs sentiment analysis with HuggingFace, stores results in Postgres, and exposes analytics endpoints (trends, distribution, keywords).

    Python

  4. call-detailed-record-data call-detailed-record-data Public

    Given a dataset of call detail records I was asked as an assignment for school to do a simple data transformation project on Azure Databricks.

    Jupyter Notebook

  5. ai-web-scraper ai-web-scraper Public

    Basic AI Web Scraper

    Python

  6. insightful-orders insightful-orders Public

    Insightful-Orders is a Flask-based API that ingests Olist order data, runs business analytics (AOV, RFM, cohorts), and streams real-time alerts. It’s JWT-secured, OpenAPI-documented, fully containe…

    Python