Master authentication and authorization patterns including JWT, OAuth2, session management, and RBAC to build secure, scalable access control systems. Use when implementing auth systems, securing...

Practical patterns for using fp-ts with React - hooks, state, forms, data fetching. Works with React 18/19, Next.js 14/15.

API security hardening patterns. Use when implementing rate limiting, input validation, CORS configuration, API key management, request throttling, or protecting endpoints from abuse. Covers...

Comprehensive security audit for code changes. Use this skill when implementing authentication, authorization, user input handling, API endpoints, secrets/credentials, payment features, or file...

Expert guidance for ElysiaJS web framework development. Use when building REST APIs, GraphQL services, or WebSocket applications with Elysia on Bun. Covers routing, lifecycle hooks, TypeBox...

Implement secure API design patterns including authentication, authorization, input validation, rate limiting, and protection against common API vulnerabilities

Implement secure API design patterns including authentication, authorization, input validation, rate limiting, and protection against common API vulnerabilities

Implement secure API design patterns including authentication, authorization, input validation, rate limiting, and protection against common API vulnerabilities

Implement secure API design patterns including authentication, authorization, input validation, rate limiting, and protection against common API vulnerabilities

Implement secure API design patterns including authentication, authorization, input validation, rate limiting, and protection against common API vulnerabilities

Implement secure API design patterns including authentication, authorization, input validation, rate limiting, and protection against common API vulnerabilities

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Complete environment variable management with type-safe validation, Vercel dev workflow, and prebuild validation.

Optimized Next.js TypeScript best practices with modern UI/UX, focusing on performance, security, and clean architecture

Complete subscription billing system with Stripe integration, feature flags for plan gating, webhook handling, and billing portal.

Expert in Expo React Native TypeScript mobile development with best practices