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Rishika73/README.md

Hi, I'm Rishika 👋

Software Engineer

I build production-oriented data and AI systems using Python, SQL, Spark, Kafka, cloud platforms, APIs, and modern AI frameworks.

My work spans real-time data engineering, cloud data platforms, backend development, analytics engineering, and applied AI systems such as RAG and agentic workflows.

Selected Work

  • Real-Time Data Engineering: PostgreSQL → Debezium → Kafka → Spark Structured Streaming → Apache Iceberg, orchestrated with Airflow
  • Agentic AI: Multi-agent LangGraph system with RAG, MCP, persistent workflow state, and human-in-the-loop approvals — Live Swagger API
  • Cloud Analytics: Snowflake + dbt + Airflow customer analytics platform — Live Tableau Dashboard

Featured Projects

Real-Time CDC E-Commerce Platform

Real-time Change Data Capture platform using PostgreSQL, Debezium, Kafka, Spark Structured Streaming, Apache Iceberg, dbt, and Airflow.

Highlights: CDC pipelines · Event streaming · Iceberg MERGE · Data quality · dbt · Airflow

Agentic AI Operations Copilot

Multi-agent AI operations system for incident analysis, account-risk workflows, and enterprise knowledge retrieval.

Highlights: LangGraph · RAG · MCP · Tool calling · FastAPI · Memory · Human-in-the-loop

Live API Docs: Open Swagger UI

Enterprise Customer Revenue Platform

End-to-end customer revenue and risk analytics platform built around a layered Snowflake data warehouse.

Highlights: Snowflake · dbt · Airflow · AWS · SQL · Tableau · SCD Type 2

Dashboard: View Tableau Dashboard

Enterprise AI Knowledge Agent

Production-oriented enterprise knowledge assistant using retrieval-augmented generation and source-grounded responses.

Highlights: RAG · LangGraph · FastAPI · Hybrid retrieval · Vector search · Reranking · Evaluation

Databricks Retail Lakehouse

End-to-end retail analytics lakehouse following a Bronze → Silver → Gold architecture.

Highlights: Databricks · PySpark · Delta Lake · Unity Catalog · Databricks Jobs · Databricks SQL

AI Image Captioning System

Deep learning image-captioning system comparing multiple neural-network architectures using Flickr30k and BLEU evaluation.

Highlights: TensorFlow · Keras · CNN · LSTM · GRU · Bidirectional LSTM · Transformer

Tech Stack

Languages
Python · Java · SQL · TypeScript

Data Engineering
Apache Kafka · Apache Spark · PySpark · Airflow · dbt · Apache Iceberg · Debezium

Cloud & Data Platforms
AWS · Snowflake · Databricks · Delta Lake · Unity Catalog

AI & Machine Learning
TensorFlow · Keras · LangGraph · RAG · LLMs · Vector Search · NLP · Computer Vision

Backend
FastAPI · Spring Boot · REST APIs

Databases
PostgreSQL · MySQL · Redis · DynamoDB · MongoDB

DevOps & Infrastructure
Docker · Kubernetes · OpenShift · Terraform · GitHub Actions · Jenkins · Argo CD

Analytics
Tableau · Databricks SQL

What I'm Focused On

  • Building scalable batch and real-time data pipelines
  • Streaming systems with Kafka and Spark
  • Modern lakehouse and cloud data architectures
  • Production-oriented RAG and agentic AI applications
  • Reliable APIs and backend services
  • Data quality, orchestration, testing, and automation

Areas of Interest

Data Engineering · AI Engineering · Distributed Systems · Streaming · Cloud Data Platforms · Backend Engineering · Generative AI

Explore my pinned repositories below for architecture diagrams, implementation details, demos, and project results.

Pinned Loading

  1. enterprise-ai-knowledge-agent enterprise-ai-knowledge-agent Public

    Production-oriented AI knowledge assistant using RAG, LangGraph, FastAPI, hybrid retrieval, evaluation, and source-grounded responses.

    Python

  2. ai-image-captioning-system ai-image-captioning-system Public

    Deep learning image captioning project comparing LSTM, GRU, Transformer, and bidirectional recurrent architectures using Flickr30k and BLEU evaluation.

    Jupyter Notebook

  3. agentic-ai-operations-copilot agentic-ai-operations-copilot Public

    Multi-agent AI operations copilot using RAG, MCP, tool calling, memory, workflow orchestration, and human-in-the-loop approvals.

    Python

  4. databricks-retail-lakehouse databricks-retail-lakehouse Public

    End-to-end retail lakehouse using Databricks, PySpark, Delta Lake, Unity Catalog, Databricks Jobs, and Databricks SQL.

    Python

  5. realtime-cdc-ecommerce realtime-cdc-ecommerce Public

    Production-oriented CDC data platform using PostgreSQL, Debezium, Kafka, Spark, Apache Iceberg, dbt, Airflow, and Docker.

    Python

  6. enterprise-customer-revenue-platform enterprise-customer-revenue-platform Public

    End-to-end customer revenue and risk analytics platform built with Snowflake, dbt, Airflow, AWS, and Tableau.

    Python