Palash Pingale

Nexus

• Built a multi-tenant RAG knowledge base SaaS using Django REST Framework, Gemini, pgvector hybrid search, and cross encoder reranking for grounded LLM responses. • Implemented hallucination detection and confidence scoring to flag unreliable model outputs, with structured prompt engineering across multiple AI workflows.

IncidentIQ

• Built an autonomous incident resolution agent using a LangGraph 4-node pipeline and Google ADK, with MongoDB Atlas Vector Search for contextual retrieval. • Integrated Gemini API into an agent workflow and resolved API quota exhaustion under hackathon load using multi-key rotation and exponential backoff.