---
title: "Sandipan Chakraborty - Machine Learning Intern in Kolkata | Tal"
description: "Meet Sandipan Chakraborty, AI Systems & Backend Engineer | Real-Time AI (LLMs, Voice, WebSockets) | FastAPI | Semantic Search & OCR | Building Automation & SaaS Systems based in Kolkata."
image: "https://tal.club/meet/sandipan-1/share-image"
---

# Sandipan Chakraborty on Tal

## Headline

AI Systems & Backend Engineer \| Real\-Time AI \(LLMs, Voice, WebSockets\) \| FastAPI \| Semantic Search & OCR \| Building Automation & SaaS Systems

## About

I am an AI Systems & Backend Engineer focused on building real\-world, low\-latency intelligent systems that operate reliably in production\-like environments\. Currently working as an AI & Automation Intern, I develop real\-time AI systems including: • Voice\-based AI receptionist handling live calls using LLMs, streaming pipelines, and WebSockets • Tool\-integrated LLM systems for structured and deterministic data retrieval • Document intelligence pipelines using OCR \+ NLP for transforming unstructured data My work focuses on end\-to\-end system design — from model integration to real\-time communication, API orchestration, and deployment on cloud infrastructure \(AWS EC2\)\. Beyond AI systems, I am also building automation\-driven products such as a WhatsApp Payment Reminder System designed for small businesses, enabling simple QR/UPI\-based payment flows without complex gateway integrations\. I have also worked on: • Semantic search systems using FAISS and embeddings • Knowledge graph\-based architectures using Neo4j • Scalable backend APIs using FastAPI Core strengths: • Real\-time AI systems \(LLMs \+ streaming \+ APIs\) • Backend engineering & system design • Machine learning, semantic search, and data pipelines I am actively looking for opportunities to build impactful AI systems, scalable backend architectures, and automation\-driven products\. Let’s connect and build something meaningful\.

## Location

Kolkata

## Work experience

Machine Learning Intern at Labmentix, Jul 2025 \- Oct 2025 · 4 mos, Remote, Worked on machine learning algorithms to enhance system Developed and deployed machine learning models for classification and regression tasks using Python and Scikit\-learn\. Implemented feature selection and hyperparameter tuning techniques to enhance model accuracy by 18%\.

## Education

Bachelor of Technology \- B\.Tech, Computer Science and Business System, Techno India College of Technology

[View the original profile](https://tal.club/meet/sandipan-1)

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