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debashisdash1999/README.md

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Snowflake Certified Microsoft Certified


👨‍💻 About Me

I've worked at both ends of the data stack — building production-grade ELT pipelines in Snowflake for a real client project (Mercedes-Benz USA & Canada) at Infosys, and owning the full BI function at Troy Consultancy where I built dashboards used in daily decision-making.

My current focus is AI-assisted data development using Snowflake Cortex — Cortex Code for pipeline development and Cortex Analyst to enable natural language querying through YAML-based semantic models.

  • 🏢 Previously at Infosys (Mercedes-Benz USA & Canada) and Troy Consultancy
  • ❄️ Snowflake Certified — Data Engineering Professional (Feb 2026)
  • 🤖 Hands-on with Snowflake Cortex Code & Cortex Analyst
  • 🔭 Currently building AI-powered Snowflake data platforms

🛠️ Tech Stack

❄️ Core — Snowflake & Data Engineering

Snowflake Snowpipe Streams & Tasks Cortex Code Cortex Analyst Semantic Layer YAML

☁️ Cloud & Orchestration

Azure Data Factory Azure Data Lake AWS S3

🗄️ Databases & Querying

SQL Server Snowflake SQL

📊 BI & Programming

Power BI Python Pandas

🔧 Concepts & Methods

Medallion Architecture Star Schema SCD Type 2 CDC ELT Pipelines Data Warehousing


🚀 Featured Projects

🏆 End-to-End Data Engineering


End-to-end Snowflake data platform integrating AI-assisted development and semantic analytics.

Implemented Medallion Architecture (Bronze → Silver → Gold) to process 13+ source files into an analytical Star Schema with SCD Type 2. Used Cortex Code for AI-assisted SQL generation and pipeline development, and built a Cortex Analyst semantic model enabling natural language querying on 86K+ sales records without writing SQL.

Snowflake Cortex Code Cortex Analyst Semantic Layer SCD Type 2 Medallion Star Schema


Enterprise-style data warehouse on SQL Server with full Bronze → Silver → Gold implementation.

CRM and ERP source integration, stored procedure-based ETL, star schema modeling, and a Sales Data Mart with dim_customers, dim_products, and fact_sales.

SQL Server Stored Procedures Star Schema Medallion


Production-style Snowflake pipeline modeled on a food delivery platform.

Covers initial and delta loads, CDC using Streams, SCD Type 2 dimensions, a star schema fact table at order-item granularity, data governance with Tags and Masking Policies, and full automation via Stored Procedures and Tasks.

Snowflake Streams CDC Tasks SCD Type 2 Governance


Enterprise-scale retail analytics for a 5M+ customer ecommerce company across 15 countries.

Built on Snowflake with ADLS as external stage, ingesting CSV, JSON, and Parquet. Implements Bronze → Silver → Gold layers, CDC with Streams, data quality pipelines, and Gold layer views for sales performance, customer segmentation, and product analytics.

Snowflake ADLS CDC Streams Parquet JSON CSV Medallion


⚡ Snowflake Concept Projects

Project Focus
Snowflake Streams & CDC INSERT / UPDATE / DELETE tracking using Streams with AWS S3
Snowflake Snowpipe — Automated Ingestion End-to-end Snowpipe setup, configuration, and event-based triggering
Snowflake Semi-Structured Data Handling Querying nested JSON using VARIANT and FLATTEN

🗄️ SQL Projects

Project Focus
SQL Data Cleaning Nulls, duplicates, standardization, type corrections on real-world data
MLB Analysis Window functions, aggregations, and performance insights on MLB data
Restaurant Order Analysis Menu and order data analysis for pricing trends and spending patterns

🐍 Python / Pandas

Project Focus
Airbnb Dataset Cleaning Missing values, outliers, type conversions, column normalization
Amazon Dataset Cleaning Product data preprocessing structured for analytics or ML

📊 Power BI

Project Focus
HR Data Analytics Report Headcount, attrition, departmental performance, workforce KPIs
Personality Survey Report Trait distributions and behavioral patterns from survey data

🏅 Certifications & Courses

Badge Certification Issued By Year
Snowflake Data Engineering Professional Certificate Snowflake Feb 2026
Microsoft Career Essentials in Generative AI Microsoft Mar 2026
Power BI Power BI — Business Intelligence Udemy Mar 2025
SQL SQL for Data Analysis — Advanced SQL Querying Udemy Mar 2025


Profile Views

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  3. debashisdash1999 debashisdash1999 Public

    Greetings and welcome to my profile.

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