---
title: "Priyal Gupta (@priyal28) | Hashnode"
description: "BTech CSE(Cybersecurity) Student"
url: "https://hashnode.com/@priyal28"
---

@priyal28

# Priyal Gupta

@priyal28 · Delhi, India · Joined June 2026

### [A Data-Centric Approach to Image Classification](https://blogpriyal.hashnode.dev/a-data-centric-approach-to-image-classification?utm_source=hashnode&utm_medium=feed)

A practical walkthrough of using 3LC, embeddings, label curation, and iterative retraining

4 min read · [blogpriyal.hashnode.dev](https://blogpriyal.hashnode.dev/a-data-centric-approach-to-image-classification?utm_source=hashnode&utm_medium=feed)

[Sep 30](https://hashnode.com/posts/a-data-centric-approach-to-image-classification/6abd1e12498e65d061bce00b)

### [How JWT Authentication and Authorization Works in Spring Boot](https://blogpriyal.hashnode.dev/how-jwt-authentication-and-authorization-works-in-spring-boot?utm_source=hashnode&utm_medium=feed)

JWT stands for JSON Web Token. It is a way to create stateless applications. These are applications where the server does not need to maintain a session for every authenticated user. Instead, the clie

5 min read · [blogpriyal.hashnode.dev](https://blogpriyal.hashnode.dev/how-jwt-authentication-and-authorization-works-in-spring-boot?utm_source=hashnode&utm_medium=feed)

[Aug 7](https://hashnode.com/posts/how-jwt-authentication-and-authorization-works-in-spring-boot/6a75e6a7a2c8e2af039948a0)

### [How to Contribute to Open Source as a Beginner](https://blogpriyal.hashnode.dev/how-to-contribute-to-open-source-as-a-beginner?utm_source=hashnode&utm_medium=feed)

Open source contributions are some of the most important experiences that help you build your portfolio. Not only do they help you build a strong resume, but they also help you learn multiple things.

3 min read · [blogpriyal.hashnode.dev](https://blogpriyal.hashnode.dev/how-to-contribute-to-open-source-as-a-beginner?utm_source=hashnode&utm_medium=feed)

[Jun 17](https://hashnode.com/posts/how-to-contribute-to-open-source-as-a-beginner/6a32a36cbd867c41b8e9be05)

### [How to approach DSA as a beginner](https://blogpriyal.hashnode.dev/how-to-approach-dsa-as-a-beginner?utm_source=hashnode&utm_medium=feed)

Data Structures and Algorithms has to be one of the most important aspects of shaping career in tech but is also the most challenging part for beginners. You start by learning a language and then dive

2 min read · [blogpriyal.hashnode.dev](https://blogpriyal.hashnode.dev/how-to-approach-dsa-as-a-beginner?utm_source=hashnode&utm_medium=feed)

[Jun 13](https://hashnode.com/posts/how-to-approach-dsa-as-a-beginner/6a2da5fccb6153dd0cc2cdb5)