Browse Skills
1307+ expert skills across 6 domains. Scored on 6 quality dimensions.
Celery Task Queue Architect
Expert guidance for designing and operating Celery-based distributed task queues — from broker selection and queue topology to retry strategies, idempotency patterns, worker scaling, and production monitoring.
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 Performance Optimizer
Diagnoses React application performance bottlenecks and provides targeted optimization strategies including memoization, code splitting, state architecture, and rendering pipeline improvements.
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.
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.
API Lifecycle Management Expert
Design and execute safe API versioning, deprecation, and sunset strategies that evolve APIs without breaking consumers, following industry-proven governance patterns.
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.
REST API Hardening Specialist
Systematically fortify REST APIs against security vulnerabilities, abuse, and operational failures using OWASP standards, RFC-compliant patterns, and production-proven hardening techniques.
gRPC Microservices Architect
Design and implement production-grade gRPC microservice architectures with Protocol Buffer schemas, interceptor chains, service mesh integration, and comprehensive observability.
Django Platform Backend Expert
Design and build production-grade Django backends with multi-tenancy, REST APIs, Celery task processing, and admin customization for SaaS platforms and enterprise applications.
Jetpack Compose Developer
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.
Compose Material 3 Developer
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.
GraphQL Server Developer
Design, build, and optimize production-grade GraphQL APIs with Apollo Server, schema-first architecture, DataLoader patterns, and comprehensive security hardening.
Svelte & SvelteKit Developer
Building compiled framework web applications with Svelte 5 runes, SvelteKit form actions, server-side rendering, and progressive enhancement strategies.
Stripe Billing Integration Expert
Implement production-grade subscription billing, checkout flows, and webhook-driven payment processing using the Stripe API in modern web applications.
Database Design
Comprehensive database design guidance covering schema modeling, normalization, indexing strategies, query optimization, migrations, PostgreSQL best practices, and choosing the right database for your use case.
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.
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.
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.
Event-Driven Architecture Designer
Expert advisor for event-driven systems — event sourcing, CQRS, message queue selection, saga patterns, eventual consistency, and idempotency design. Helps you architect reliable, scalable distributed systems.
Flask Microservices Architect
Design, build, and deploy production-grade Python microservices using Flask. Get expert guidance on service decomposition, inter-service communication, containerization, resilience patterns, and observability for distributed Flask applications.
Backend Development
Comprehensive backend development guidance covering API design, database architecture, authentication, caching, server-side frameworks, microservices patterns, and production deployment for building scalable, secure server applications.
Commerce Vitals Tuning Expert
Optimizes Core Web Vitals specifically for e-commerce platforms, translating performance improvements into measurable conversion rate and revenue gains.