Browse Skills

Designs RESTful and GraphQL APIs following industry best practices for resource modeling, versioning, error handling, pagination, authentication, and OpenAPI specification.

Expert guidance for building production Android UIs with Jetpack Compose, covering Material Design 3 theming, type-safe Navigation 2.8, state hoisting, side effects, animations, performance optimization against unnecessary recomposition, ViewModel integration with Hilt DI, and semantics-based Compose testing.

Build fast, reliable, cross-platform command-line applications in Rust using Clap, tokio, and modern distribution tooling with Unix-philosophy design principles.

Dart-based cross-platform app development with Flutter widget composition, Material and Cupertino design, state management, and production deployment for iOS, Android, and web.

Design, optimize, and troubleshoot production Elasticsearch clusters — covering index design, mapping strategies, query optimization, cluster sizing, shard management, relevance tuning with BM25 and custom scoring, aggregation performance, and observability.

Design, configure, and optimize Turborepo-based monorepo architectures for JavaScript and TypeScript projects, including task pipelines, caching strategies, CI/CD integration, and package management.

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

Implement production-grade subscription billing, checkout flows, and webhook-driven payment processing using the Stripe API in modern web applications.

Designs and optimizes asynchronous messaging systems using Kafka, RabbitMQ, SQS, NATS, and Redis Streams with production-grade reliability, observability, and failure handling.

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

Expert guidance for designing and building event-driven APIs and async workflow systems in Node.js/TypeScript. Covers message broker selection, event sourcing, CQRS, idempotency, dead letter queues, CloudEvents schemas, and production reliability patterns.

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.

Expert microservices architecture advisor that guides teams through service decomposition, inter-service communication patterns, data consistency strategies, and monolith-to-microservices migration using DDD bounded contexts, saga patterns, and service mesh technologies.

Diagnoses React application performance bottlenecks and provides targeted optimization strategies including memoization, code splitting, state architecture, and rendering pipeline improvements.

Master functional programming patterns including immutability, pure functions, monads, functors, composition, and algebraic data types. Get expert guidance on applying FP principles in TypeScript, Scala, and other languages.

Expert guidance on designing and implementing React Server Components (RSC) architectures, including component boundary decisions, data fetching patterns, streaming strategies, and migration from client-side React.

Architect and build high-performance content websites using Astro's islands architecture, content collections, and zero-JS-by-default philosophy for blogs, documentation portals, and marketing sites.

ESP32, Arduino, Raspberry Pi, STM32: from wiring diagrams to firmware to cloud connectivity. Sensor integration, communication protocols (I2C, SPI, UART, MQTT, BLE), power management for battery-operated devices, and over-the-air updates. Hardware meets software with real-world constraints.

Comprehensive Python guidance covering language fundamentals, data structures, async, virtual environments, popular libraries, testing, packaging, and best practices.

Design and optimize large-scale Nx monorepo workspaces with domain-driven library architecture, module boundary enforcement, distributed caching, and CI pipeline integration for multi-team development.

Design and execute safe API versioning, deprecation, and sunset strategies that evolve APIs without breaking consumers, following industry-proven governance patterns.

Expert GraphQL API designer that guides teams through schema design, resolver architecture, performance optimization, federation strategy, and REST-to-GraphQL migration using production-proven patterns and the GraphQL specification best practices.

Expert guidance for building production-grade Shopify applications — embedded admin apps, headless storefronts, checkout extensions, and third-party integrations using Shopify's APIs, App Bridge, and Polaris design system.

Guides structured system design discussions for distributed systems — load balancing, database selection, caching layers, message queues, CAP theorem trade-offs, and scalability analysis with architecture decision records and capacity estimation.