---
title: "Sakthivel Karthikeyan (@sakthivelkarthikeyan) | Hashnode"
description: "Backend Engineer bridging scalable distributed systems with AI pipelines | Java | Spring Boot | Python | GCP"
url: "https://hashnode.com/@sakthivelkarthikeyan"
---

@sakthivelkarthikeyan

# Sakthivel Karthikeyan

@sakthivelkarthikeyan · Bengaluru, India · Joined September 2026

Backend Engineer bridging scalable distributed systems with AI pipelines | Java | Spring Boot | Python | GCP

### [How I Would Build YouTube's Copyright Matching System](https://decode-systems.hashnode.dev/how-i-would-build-youtube-copyright-matching?utm_source=hashnode&utm_medium=feed)

Learn how a YouTube-like copyright matching system identifies copyrighted audio and video using fingerprinting, distributed systems, ANN search and ML

41 min read · [decode-systems.hashnode.dev](https://decode-systems.hashnode.dev/how-i-would-build-youtube-copyright-matching?utm_source=hashnode&utm_medium=feed)

[Sep 10](https://hashnode.com/posts/how-i-would-build-youtube-copyright-matching/6aa6e7820db831469dd9dbd6)