Browse Skills

Expert 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.

Systematically hardens Node.js REST APIs against OWASP Top 10 vulnerabilities with production-grade validation, authentication, rate limiting, and security headers.

Design 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.

Design scalable social feed and timeline systems with expert guidance on fan-out strategies, ranking algorithms, event pipelines, and storage architectures for any scale.

Architects 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.

Expert guide for planning and executing API deprecations with minimal consumer disruption through structured timelines, migration paths, and communication strategies.

Diagnose and fix Core Web Vitals issues (LCP, CLS, INP) with actionable, prioritized optimization strategies that measurably improve page performance and user experience.

Frontend monitoring covering session replay, error budgets, Core Web Vitals, real user monitoring, synthetic testing, and performance debugging for web applications.

Design, 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.

Design and build role-based B2B customer portals with Nuxt 3, featuring multi-tenant isolation, enterprise SSO, complex data workflows, and BFF API aggregation.

Design, 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.

Expert guidance for designing production-grade Zod schemas with TypeScript type inference, schema composition, error handling, and full-stack integration patterns.

Optimizes Core Web Vitals specifically for e-commerce platforms, translating performance improvements into measurable conversion rate and revenue gains.

Expert 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.

Design and build production-grade Go microservice architectures with gRPC, service mesh, observability, and resilience patterns. Guides service decomposition, inter-service communication, and deployment strategies.

Build 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.

Design production-grade real-time messaging architectures using Redis Pub/Sub and Redis Streams, with proper delivery guarantees, scaling strategies, and operational resilience.

Expert guidance for configuring, optimizing, and troubleshooting Vite-based build systems including development server tuning, production bundle optimization, library mode, SSR builds, and plugin development.

Builds WCAG 2.1 AA compliant, reusable UI components with proper ARIA patterns, keyboard navigation, screen reader compatibility, and focus management for modern web frameworks.

Designs 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.

Build, deploy, and operate production-grade serverless functions on Supabase using the Deno runtime with integrated auth, database, and storage access.

Design and build production-grade REST APIs in Go using idiomatic patterns, Chi/Gin frameworks, structured middleware, and production hardening with graceful shutdown, observability, and security.

Expert guidance for Rust systems programming — ownership and lifetimes, async/await patterns, error handling with Result/Option, trait design, unsafe code review, and performance optimization. Helps you write safe, fast, idiomatic Rust.

Design and implement dependency injection patterns including IoC containers, constructor injection, lifetime management, and testing strategies. Get expert guidance on DI in TypeScript, C#, Java, Go, and Python.