Pavitra Mandal | Full Stack Data Engineering

Open for Tech Lead Roles — India & Japan

AI & Data Platform Engineer / Visual Storyteller

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Featured Work

Selected Projects

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Personal

Mind Map Web App

Interactive mind mapping tool for visual thinking and brainstorming. Built with a Python FastAPI backend and a D3.js-powered frontend.

Intuitive editor for creating and organizing idea graphs

PythonFastAPID3.jsJavaScript+6

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Personal

RAG API Support AI Chatbot

Conversational AI chatbot that answers API documentation queries using RAG-based semantic search. Runs locally on Ollama with Django, PostgreSQL + pgvector, and Docker.

RAG-based question-answering over custom API documentation with source citations

PythonDjangoPostgreSQLpgvector+6

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Professional

Group Management Data Migration

Enterprise-scale data migration project transferring group management data from a legacy platform (MS SQL Server) to a modern platform (PostgreSQL), involving complex hierarchical relationships, validation mechanisms, and rollback capabilities.

Successfully migrated 100,000+ group records with zero data loss

PythonPostgreSQLMS SQL ServerSQLAlchemy+9

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Engineering Philosophy

Build with precision.
Deploy with confidence.

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Who I am

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Snowflake Cortex AIRAGText-to-SQLPrompt EngineeringAI Observability (TruLens)Azure DatabricksPySparkDelta LakeApache AirflowAzure Data FactoryMLflowDeepAR / ARIMAPower BIDockerCI/CD (GitHub Actions)

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