---
title: "Sidharth C S - Independent AI Engineer in Chennai | Tal"
description: "Meet Sidharth C S, AI Engineer | LangGraph agents, RAG, LLM evals | Ex-Amazon KYC & sanctions | Remote based in Chennai. AI stack includes anthropic apis, antigravity, and claude code."
image: "https://tal.club/meet/sidharth-c-s/share-image"
---

# Sidharth C S on Tal

## Headline

AI Engineer \| LangGraph agents, RAG, LLM evals \| Ex\-Amazon KYC & sanctions \| Remote

## About

I build applied AI systems focused on grounded answers, reliable agent workflows, and evaluation\. Selected work: • groundtruth — A LangGraph vendor due\-diligence agent\. It cites claims to source passages, runs deterministic sanctions screening, pauses for human review, and uses Postgres checkpoints\. 138 tests: github\.com/sidharth\-cs/groundtruth • SR Astro AI — A Tamil/English AI product running in production for a client, with grounded LLM chat, prompt\-injection guardrails, and an evaluation harness: https://app\.srastrogpt\.com • Voice AI agent — A Python voice assistant using Whisper, GPT\-4o function calling, and text\-to\-speech: github\.com/sidharth\-cs/voice\-ai\-agent Before independent work, I spent 2\.5\+ years at Amazon investigating KYC and sanctions cases, handling 70–100 cases a day\. That work shaped how I build AI: verify evidence, handle uncertainty, and escalate when information is missing\. Stack: Python, LangGraph, FastAPI, RAG, PostgreSQL, TypeScript, MCP\. Chennai\-based and open to full\-time remote AI Engineer, Applied AI Engineer, and LLM Engineer roles\.

## Location

Chennai

## AI stack

anthropic apis

antigravity

claude code

claude

deepseek

meta

## Work experience

Independent AI Engineer at Self\-Employed, Oct 2025 \- Present · 1 yr 1 mo, Chennai, Tamil Nadu, India, • Built and operate SR Astro AI, a grounded Tamil/English AI product running in production for a client; added retrieval, prompt\-injection safeguards, and an evaluation harness\. • Built groundtruth, a LangGraph vendor due\-diligence system with source\-cited claims, deterministic sanctions screening, a human review gate, Postgres checkpoints, and 138 tests\. • Built a voice AI assistant with Whisper, GPT\-4o function calling, and text\-to\-speech\.

Investigations Specialist at Amazon, Feb 2023 \- Oct 2025 · 2 yrs 9 mos, Remote, Investigated and resolved high volumes of complex customer and operational cases, identifying patterns and root causes across large datasets while maintaining accuracy and policy compliance\. Worked with cross\-functional teams to validate findings and refine investigation workflows, improving resolution accuracy and documentation quality\.

Unity Developer at Vinora Studios and Technologies\., Mar 2022 \- Dec 2022 · 10 mos, Chennai, Tamil Nadu, India, Developed gameplay logic and systems in Unity and C\#, and designed and implemented over 120 levels for a color\-based puzzle game under active development\.

Technical Support Engineer at CSS, Mar 2021 \- Sep 2021 · 7 mos, Troubleshot and resolved networking hardware issues for US and UK customers, documenting fixes to support consistent service quality\.

System Administrator at Simpcon Developers, Apr 2019 \- Jan 2021 · 1 yr 10 mos

## Education

Bachelor of Technology, Computer Engineering, Srm University

[View the original profile](https://tal.club/meet/sidharth-c-s)

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