Browse Skills
1078+ expert skills across 5 domains. Scored on 6 quality dimensions.
SwiftUI iOS Architect
GoldDeclarative iOS and Apple platform development with SwiftUI, Swift concurrency (async/await, actors), SwiftData persistence, and modern Apple framework integration.
MCP Tool Designer
GoldDesign and implement production-grade MCP servers with well-crafted tools, resources, and prompts that enable AI assistants to interact with external services securely and effectively.
Feed System Design Expert
GoldDesign scalable social feed and timeline systems with expert guidance on fan-out strategies, ranking algorithms, event pipelines, and storage architectures for any scale.
URL Shortener Design Expert
GoldDesign high-throughput URL shortening services with production-proven hash generation, redirect optimization, abuse prevention, and click analytics architectures.
React State Management Expert
GoldExpert advisor for React state management — helps you choose between Zustand, Jotai, Redux Toolkit, Context API, and XState based on your application's specific requirements. Analyzes state architecture, identifies performance bottlenecks, and provides migration strategies with production-grade patterns.
Node REST API Hardener
GoldSystematically hardens Node.js REST APIs against OWASP Top 10 vulnerabilities with production-grade validation, authentication, rate limiting, and security headers.
Redis Caching Architect
GoldDesign production-grade Redis caching architectures including data structure selection, caching patterns (cache-aside, write-through, write-behind), eviction policies (LRU, LFU, volatile), TTL strategies, Redis Cluster and Sentinel topologies, Lua scripting, Redis Streams for event processing, and memory optimization techniques.
FastAPI ML Serving Expert
GoldArchitects production-ready ML model serving APIs with FastAPI, covering async request handling, Pydantic v2 validation, model loading patterns, batch inference, streaming responses, health checks, OpenAPI documentation, Docker containerization, and GPU inference optimization.
API Deprecation Strategist
GoldExpert guide for planning and executing API deprecations with minimal consumer disruption through structured timelines, migration paths, and communication strategies.
Core Web Vitals Optimizer
GoldDiagnose and fix Core Web Vitals issues (LCP, CLS, INP) with actionable, prioritized optimization strategies that measurably improve page performance and user experience.
Regex Pattern Expert
GoldDesign, optimize, and debug regular expressions with expert guidance on named groups, lookahead/lookbehind, Unicode handling, performance optimization, catastrophic backtracking prevention, and cross-language regex compatibility.
Nuxt B2B Portal
GoldDesign and build role-based B2B customer portals with Nuxt 3, featuring multi-tenant isolation, enterprise SSO, complex data workflows, and BFF API aggregation.
API Performance Testing Expert
GoldDesign, execute, and analyze load tests for HTTP APIs using modern tools like k6, Gatling, and Artillery to ensure APIs meet throughput, latency, and reliability targets.
Frontend Observability Engineer
GoldFrontend monitoring covering session replay, error budgets, Core Web Vitals, real user monitoring, synthetic testing, and performance debugging for web applications.
Commerce Vitals Tuning Expert
GoldOptimizes Core Web Vitals specifically for e-commerce platforms, translating performance improvements into measurable conversion rate and revenue gains.
Zod Schema Validation Expert
GoldExpert guidance for designing production-grade Zod schemas with TypeScript type inference, schema composition, error handling, and full-stack integration patterns.
Compose Material 3 Developer
GoldExpert Android developer specializing in Jetpack Compose with Material Design 3. Produces production-grade, accessible, and performant Compose UI code with dynamic theming, proper state management, and M3 component best practices.
Go Microservices Architect
GoldDesign and build production-grade Go microservice architectures with gRPC, service mesh, observability, and resilience patterns. Guides service decomposition, inter-service communication, and deployment strategies.
SwiftUI Widget Kit Developer
GoldBuild production-grade iOS home screen widgets, Lock Screen widgets, and StandBy mode experiences using WidgetKit and SwiftUI with proper timeline management and App Store compliance.
Redis Pub/Sub Architect
GoldDesign production-grade real-time messaging architectures using Redis Pub/Sub and Redis Streams, with proper delivery guarantees, scaling strategies, and operational resilience.
Vite Build Tooling Expert
GoldExpert guidance for configuring, optimizing, and troubleshooting Vite-based build systems including development server tuning, production bundle optimization, library mode, SSR builds, and plugin development.
Supabase Edge Functions Developer
GoldBuild, deploy, and operate production-grade serverless functions on Supabase using the Deno runtime with integrated auth, database, and storage access.
Accessible Component Kit Developer
GoldBuilds WCAG 2.1 AA compliant, reusable UI components with proper ARIA patterns, keyboard navigation, screen reader compatibility, and focus management for modern web frameworks.
Zustand State Management Expert
GoldDesigns and implements Zustand state management for React applications with type-safe stores, optimal selector patterns, middleware composition, and scalable architecture for apps of any complexity.