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Sumit

Full Stack MERN Developer

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Sumit is a Full Stack MERN Developer focused on building reliable developer tools and SaaS products. He designs practical features, writes maintainable code, and prioritizes performance, security, and clear user experience for everyday development workflows.

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bcryptapi securityauthentication

Bcrypt in API Authentication Pipelines: Secure Credential Handling, Rate Limiting, and Token Integration

A production-grade guide to integrating bcrypt into API authentication pipelines, covering credential flow design, rate limiting, token systems, and high-scale security architecture.

May 10, 202411 min read
jwtauthenticationsessions

JWT vs Sessions: Choosing the Right Authentication Strategy for Scalable Systems

A deep technical comparison of JWT and session-based authentication. Learn trade-offs, scalability impacts, security considerations, and when to use each approach in production systems.

May 10, 20249 min read
hashingencryptionencoding

Hashing vs Encryption vs Encoding: Critical Differences for Secure API and Data Systems

A deep technical breakdown of hashing, encryption, and encoding, including architectural use cases, security implications, performance trade-offs, and production implementation strategies.

May 10, 202414 min read
bcryptpassword securityhashing

How Hackers Crack Passwords and How to Prevent It: A Bcrypt-Based Production Security Guide

A deep technical guide explaining how attackers crack passwords using modern techniques and how to prevent it using bcrypt, secure architecture, and production-grade best practices.

Apr 25, 202412 min read
base64image encodingweb performance

Convert Images To Base64: A Production-Grade Engineering Guide

A deeply technical guide to converting images to Base64 for production systems, covering encoding mechanics, performance trade-offs, security implications, and architecture patterns for modern web and distributed applications.

Apr 22, 20248 min read
internationalizationurl](https://images.unsplash.com/photo-1526378722484-cc3c6d1f3f3b%22,%22tags%22:[%22internationalization%22,%22url) encodingunicode

URL Encoding for Internationalization (i18n): Handling Unicode, Multi-Language URLs, and Global Web Compatibility

A deep technical guide on URL encoding for internationalization, covering Unicode handling, multi-language URLs, browser behavior, and building globally compatible web systems.

Apr 12, 202410 min read
regex testerregular expressionsdeveloper tools

Regex Tester: A Production-Grade Guide to Regular Expression Engineering, Debugging, and Performance Optimization

Master regex engineering with a production-ready regex tester. Learn deep internals, performance optimization, security pitfalls, and real-world debugging strategies used by senior engineers.

Apr 12, 202410 min read
password policyauthenticationsecurity engineering

Password Policy Engineering: Designing Secure, Usable, and Scalable Authentication Rules

A comprehensive technical guide to designing modern password policies that balance security, usability, and scalability using real-world attack data and engineering principles.

Apr 10, 20249 min read
jwtnodejsauthentication

JWT Implementation Guide in Node.js: Building a Secure Authentication System from Scratch

A complete, production-ready guide to implementing JWT authentication in Node.js. Covers login flows, middleware design, refresh tokens, and secure deployment patterns.

Apr 5, 202410 min read
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