AI Insights & Tutorials

Deep dives into Generative AI, LLMs, Voice AI, and MLOps.

Practical articles from the engineering team at Quantora Analytics — covering architecture patterns, implementation guides, and lessons learned from production AI deployments.

Generative AI · LLMs

Building Production-Ready RAG Systems: Architecture Patterns That Scale

A deep dive into RAG architectures — from naive chunking to advanced hybrid retrieval with semantic ranking, metadata filtering, and reranking pipelines.

Shashank Pandey · 12 min read · Generative AI

Voice AI · Agentic AI

How We Built a Voice AI Agent Handling 2,000+ Calls Per Day

The full architecture of a production Voice AI calling agent — from Twilio integration and Deepgram STT to LLM processing and ElevenLabs TTS with sub-300ms latency.

Shashank Pandey · 15 min read · Voice AI

MLOps · LLMOps

LLMOps in 2026: From Prompt Versioning to Production Monitoring

A comprehensive guide to LLMOps — prompt registries with GitOps, automated evaluation pipelines, drift detection, cost monitoring, and canary deployments.

Shashank Pandey · 10 min read · MLOps

Agentic AI · LangGraph

Multi-Agent Orchestration with LangGraph: A Practical Guide

Building stateful, multi-step AI workflows with LangGraph — state machines, conditional routing, human-in-the-loop patterns, and handling agent failures gracefully.

Shashank Pandey · 14 min read · Agentic AI

Prompt Engineering

Advanced Prompt Engineering: Chain-of-Thought, ReAct, and Self-Consistency

Beyond basic prompting — structured reasoning with CoT, the ReAct pattern for tool-using agents, and self-consistency sampling for improved accuracy on complex tasks.

Shashank Pandey · 9 min read · Prompt Engineering

Machine Learning

Fraud Detection with Transformers: From Tabular Data to Production

How we applied transformer architectures to tabular financial data — feature engineering, training pipeline, handling class imbalance, and deploying with FastAPI + Docker.

Shashank Pandey · 11 min read · Machine Learning

Data Engineering

Modern Data Stack in 2026: Choosing Between Lakehouse, Warehouse, and Streaming

A framework for selecting the right data architecture — when to use Delta Lake vs Snowflake vs Kafka, and how to build incrementally without over-engineering.

Shashank Pandey · 8 min read · Data Engineering

Computer Vision

Computer Vision QC at Scale: Detecting Defects with 99.2% Precision

A case study on deploying real-time computer vision quality control in a manufacturing setting — YOLO architecture, synthetic data augmentation, and edge inference optimization.

Shashank Pandey · 13 min read · Computer Vision

Python · AI

Building a FastAPI Backend for LLM Applications: Best Practices

Production patterns for LLM APIs — async handling, streaming responses, rate limiting, token budgeting, caching, and structured output parsing with Pydantic.

Shashank Pandey · 10 min read · Python

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