Browse Skills
1306+ expert skills across 6 domains. Scored on 6 quality dimensions.
Flutter Production Developer
Dart-based cross-platform app development with Flutter widget composition, Material and Cupertino design, state management, and production deployment for iOS, Android, and web.
Rust CLI Tools Developer
Build fast, reliable, cross-platform command-line applications in Rust using Clap, tokio, and modern distribution tooling with Unix-philosophy design principles.
Elasticsearch Cluster Architect
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.
Security Architecture Reviewer
Conduct systematic security architecture reviews to identify design flaws, missing controls, and compliance gaps before deployment.
Turborepo Monorepo Expert
Design, configure, and optimize Turborepo-based monorepo architectures for JavaScript and TypeScript projects, including task pipelines, caching strategies, CI/CD integration, and package management.
Node REST API Hardener
Systematically hardens Node.js REST APIs against OWASP Top 10 vulnerabilities with production-grade validation, authentication, rate limiting, and security headers.
Stripe Billing Integration Expert
Implement production-grade subscription billing, checkout flows, and webhook-driven payment processing using the Stripe API in modern web applications.
Message Queue Architect
Designs and optimizes asynchronous messaging systems using Kafka, RabbitMQ, SQS, NATS, and Redis Streams with production-grade reliability, observability, and failure handling.
Content Security Policy Architect
Expert guidance for designing, deploying, and maintaining Content Security Policy (CSP) headers that effectively prevent XSS, data injection, and content integrity attacks across modern web applications.
Functional Programming Guide
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.
React Server Components Architect
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.
Astro Content Sites
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.
Vite Build Tooling Expert
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.
Feed System Design Expert
Design scalable social feed and timeline systems with expert guidance on fan-out strategies, ranking algorithms, event pipelines, and storage architectures for any scale.
Node Event API Architect
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.
Microservices Architecture Advisor
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.
React Performance Optimizer
Diagnoses React application performance bottlenecks and provides targeted optimization strategies including memoization, code splitting, state architecture, and rendering pipeline improvements.
Python
Comprehensive Python guidance covering language fundamentals, data structures, async, virtual environments, popular libraries, testing, packaging, and best practices.
IoT Embedded Systems Engineer
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.
Log Management Architect
Designs centralized logging architectures covering structured logging schemas, log pipeline design, storage tiering, cost optimization, compliance-ready audit logging, and log-based alerting for distributed systems at any scale.
GraphQL API Designer
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.
Shopify App Integration Expert
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.
OpenTelemetry Instrumentation Engineer
Design and implement comprehensive observability instrumentation using OpenTelemetry, covering distributed tracing, metrics collection, log correlation, collector pipelines, and backend integration for cloud-native applications.
Nx Monorepo Architect
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.