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Vignesh-hariharan/README.md

Vignesh Hariharan | Analytics Engineer & Data Architecture 🚀

LinkedIn Tableau GitHub

👋 About Me

Analytics Engineer with 8+ years experience, including building production data pipelines, analytics infrastructure, and automation systems. Currently at Instacart (Toronto), working on enterprise platform integration and deployment. Previously at StackAdapt, where I architected end-to-end data solutions from ingestion to insights.

What I do:

  • 🔧 Build data pipelines that process millions of rows daily
  • 📊 Transform raw data into actionable insights using dbt + Snowflake
  • 🤖 Automate workflows that eliminate manual processes
  • 📈 Create self-service analytics tools for cross-functional teams

💼 Recent Experience

Solution Delivery Analyst @ Instacart

  • Deploying and configuring enterprise white-label e-commerce platforms across GCP, Firebase, and AWS
  • Implementing SSO identity provider integrations and validating end-to-end auth flows
  • Managing cross-system deployment coordination across Terraform-provisioned infrastructure

Data Architecture Analyst @ StackAdapt

  • Designed and operated production ELT pipelines on Snowflake, integrating APIs, databases, and event streams
  • Architected end-to-end operational analytics platforms (API → Snowflake → Tableau/ThoughtSpot)
  • Built advanced analytical data models including user/device journeys, audience overlap, and reach/frequency calculations

Analyst, Programmatic Media @ StackAdapt

  • Built automated reporting pipelines and analytical data models for internal and external stakeholders
  • Developed a Python-based GUI tool enabling self-service data extraction for non-technical users
  • Designed standardized dashboard frameworks in Tableau and ThoughtSpot

🚀 Featured Portfolio Projects

Built an event-driven analytics pipeline integrating Salesforce REST API, Snowflake, and Kestra for automated opportunity tracking. Processed real-time sales data to generate insights on pipeline health, rep performance, and revenue forecasts. Automated delivery of AI-generated reports and visualizations through Slack and Asana API.

Kestra Python Salesforce Snowflake AI Analytics Slack Asana REST API

End-to-end attribution pipeline analyzing how different models (first-touch, last-touch, linear, time-decay, U-shaped) value marketing channels. Processed 200+ conversions from GA4 + synthetic ad data.

Insight: Last-click attribution significantly undervalues prospecting campaigns

Snowflake dbt Tableau GA4 Marketing Analytics

Built end-to-end fraud detection pipeline using Snowflake, dbt, and Python. Loaded 1.3M transactions, engineered 15 features, and automated predictions with Snowflake Cortex ML.

Key Finding: Simpler models (6 features) outperformed complex ones (18 features)

Snowflake dbt Python SQL ML Operations


🛠️ Tech Stack

Core Skills

primary_stack = {
    "Data_Warehouse": ["Snowflake", "BigQuery", "Redshift"],
    "Transformation": ["dbt", "SQL", "Python"],
    "Orchestration": ["Kestra", "Nomad", "Airflow-concepts"],
    "Visualization": ["Tableau", "ThoughtSpot", "Power BI"],
    "Languages": ["SQL", "Python", "R"],
    "AI_Integration": ["Gemini", "Snowflake Cortex", "LLM Workflows"]
}

Technologies I Work With

Snowflake dbt Python SQL Tableau Git


📫 Let's Connect

Email LinkedIn Tableau


💡 "Turning messy data into clean insights, one pipeline at a time"

⭐️ Vignesh-Hariharan

@Vignesh-Hariharan's activity is private