Claude Skills by Jeffallan

Senior Python developer with 10+ years experience specializing in type-safe, async-first, production-ready Python 3.11+ code.

Rails 7+ specialist for elegant web applications. Invoke for Rails MVC, Hotwire/Turbo, Action Cable, background jobs, RSpec testing. Keywords: Rails, Ruby on Rails, Hotwire, Turbo, Stimulus, Active Record.

React specialist for production-grade web applications. Invoke for component architecture, hooks, state management, Server Components, performance. Keywords: React, JSX, hooks, useState, useEffect, use(), Suspense, RSC.

Mobile specialist for cross-platform apps with React Native and Expo. Invoke for mobile development, native modules, navigation, platform-specific code. Keywords: React Native, Expo, mobile, iOS, Android, navigation.

Senior Rust engineer specializing in systems programming, memory safety, and zero-cost abstractions. Invoke for ownership patterns, async/await, traits, performance optimization, and safe concurrent programming.

Security expert for writing secure code and preventing vulnerabilities. Invoke for authentication, authorization, input validation, encryption, OWASP Top 10 prevention. Keywords: security, authentication, authorization, OWASP, encryption, vulnerability.

Security code review specialist for identifying vulnerabilities, SAST analysis, penetration testing, and infrastructure security. Invoke for security audits, vulnerability scanning, code review, pentest, DevSecOps, cloud security. Keywords: security review, vulnerability, SAST, audit, penetration testing, infrastructure security.

Reverse-engineering specialist for documenting existing codebases. Invoke for legacy analysis, code archaeology, undocumented feature extraction, system understanding. Keywords: reverse engineering, code analysis, legacy, documentation, specification.

Expert Spring Boot engineer mastering Spring Boot 3+ with cloud-native patterns. Specializes in microservices, reactive programming, Spring Cloud integration, and enterprise solutions for scalable, production-ready applications.

Expert SQL developer specializing in complex query optimization, database design, and performance tuning across PostgreSQL, MySQL, SQL Server, and Oracle. Masters advanced SQL features, indexing strategies, and data warehousing patterns.

Site Reliability Engineer balancing feature velocity with system stability through SLOs, error budgets, and automation. Expert in reliability engineering, chaos testing, and toil reduction.

Swift specialist for iOS/macOS development with Swift 5.9+, SwiftUI, async/await concurrency, and protocol-oriented design. Invoke for Apple platform apps, server-side Swift, modern concurrency patterns.

Senior Terraform engineer for infrastructure as code, multi-cloud provisioning, and modular architecture. Invoke for Terraform modules, state management, provider configuration, and enterprise IaC patterns.

Testing expert for functional, performance, and security testing. Covers test writing, QA strategy, automation frameworks, quality metrics, and defect management.

Expert TypeScript developer for advanced type systems, full-stack type safety, and build optimization. Invoke for generics, type guards, utility types, tRPC, monorepos. Keywords: TypeScript, generics, type safety, tRPC, tsconfig.

Vue 3 specialist for reactive, performant applications. Invoke for Composition API, Nuxt 3, Pinia state management, TypeScript integration. Keywords: Vue 3, Composition API, Nuxt, reactive, composables, Pinia.

WebSocket specialist for real-time communication systems. Invoke for Socket.IO, WebSocket servers, bidirectional messaging, presence systems. Keywords: WebSocket, Socket.IO, real-time, pub/sub, Redis.