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Sumit

Full Stack MERN Developer

Building developer tools and SaaS products

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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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uuiduuid-v7database-performance

UUID Version 7 Explained: Time-Ordered Identifiers for High-Performance Databases

A deep technical guide to UUID v7, covering its internal structure, performance advantages over v4, database indexing benefits, and production-grade implementation strategies.

Mar 10, 2024
9 min read
jwtauthenticationrefresh-token

JWT Refresh Token Architecture: Designing Secure Session Continuity for Modern Applications

A deep technical guide to designing secure JWT refresh token systems. Covers rotation strategies, token revocation, storage models, and real-world implementation patterns for scalable authentication.

Feb 15, 202410 min read
jwtclaimsauthentication

JWT Claims Deep Dive: Designing, Validating, and Optimizing Token Payloads for Secure Systems

An advanced guide to JWT claims, covering standard vs custom claims, validation strategies, payload optimization, and security implications in production systems.

Jan 10, 20249 min read
uuiddatabase-optimizationperformance

UUID Storage Optimization: Binary vs String, Indexing Strategies, and Query Performance

A deep technical guide on optimizing UUID storage in databases, comparing binary vs string formats, indexing strategies, and improving query performance in high-scale systems.

Dec 5, 202310 min read
json validationschemabackend

Advanced JSON Validation and Linting: Building Reliable Data Pipelines for Scalable Systems

A deep dive into JSON validation, linting strategies, schema enforcement, and production-grade data integrity techniques for modern distributed systems.

Nov 10, 20239 min read
base64performanceapi optimization

Base64 Encoding Performance Optimization: Reducing Payload Overhead in Modern APIs

A deep technical analysis of Base64 performance costs, payload overhead, and optimization strategies for high-scale APIs, microservices, and distributed systems.

Nov 10, 20239 min read
jwtsecurityauthentication

JWT Blacklisting vs Whitelisting: Designing Token Revocation Strategies for Secure Systems

A deep technical comparison of JWT blacklisting and whitelisting strategies. Learn how to design token revocation systems, manage scalability, and secure distributed applications.

Nov 10, 20239 min read
uuidvalidationsecurity

How to Validate UUIDs Correctly: Regex, Parsing, and Security Best Practices

A comprehensive technical guide to validating UUIDs in production systems using regex, parsing techniques, and security best practices to prevent malformed input and system vulnerabilities.

Oct 18, 20239 min read
jwtsecurityauthentication

JWT Algorithm Confusion Attacks: How to Detect, Prevent, and Secure Your Authentication Layer

A deep technical guide on JWT algorithm confusion attacks. Learn how attackers exploit misconfigured JWT validation and how to harden your authentication layer against real-world exploits.

Oct 5, 20239 min read
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