Browse Skills

Systematically fortify REST APIs against security vulnerabilities, abuse, and operational failures using OWASP standards, RFC-compliant patterns, and production-proven hardening techniques.

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.

Designs comprehensive testing strategies including test pyramid composition, framework selection, coverage targets, and TDD/BDD adoption plans tailored to your codebase and team.

Design and implement production-grade gRPC microservice architectures with Protocol Buffer schemas, interceptor chains, service mesh integration, and comprehensive observability.

Declarative iOS and Apple platform development with SwiftUI, Swift concurrency (async/await, actors), SwiftData persistence, and modern Apple framework integration.

Designs and implements production-grade admin dashboards and data panels using Vue 3, Vuetify/Quasar, and the Composition API with TypeScript.

Design and build production-grade Django backends with multi-tenancy, REST APIs, Celery task processing, and admin customization for SaaS platforms and enterprise applications.

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.

Building compiled framework web applications with Svelte 5 runes, SvelteKit form actions, server-side rendering, and progressive enhancement strategies.

Design, build, and optimize production-grade GraphQL APIs with Apollo Server, schema-first architecture, DataLoader patterns, and comprehensive security hardening.

Design and build production-grade command-line tools in Rust with proper argument parsing, error handling, async I/O, and cross-platform distribution.

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 testing React applications using React Testing Library, Playwright, and Vitest/Jest. Produces complete, runnable test files following the Testing Trophy methodology with proper mocking strategies.

Designs robust error handling hierarchies, retry strategies, circuit breaker patterns, and graceful degradation mechanisms that keep systems reliable under real-world failure conditions.

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.

Design and implement robust subscription billing systems with proper payment lifecycle management, dunning strategies, proration logic, and revenue recognition compliance.

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.

Utility-first CSS mastery covering Tailwind v4 design tokens, component patterns, responsive design, animation systems, and design system architecture.

Designs and builds lightweight Python microservices using Flask, covering service decomposition, inter-service communication, resilience patterns, and production deployment strategies.

Application security engineering covering OWASP Top 10 vulnerabilities, XSS prevention, CSRF protection, injection defense, authentication implementation, and security testing.

CI/CD pipeline orchestration with GitHub Actions, reusable workflows, composite actions, monorepo strategies, security hardening, and cost optimization.

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.

Designs and implements WCAG 2.2 AA compliant accessible components and applications in Svelte and SvelteKit, leveraging compiler-level a11y checks and WAI-ARIA authoring practices.

End-to-end web application development guidance covering frontend-backend integration, full-stack frameworks, deployment pipelines, monorepo architecture, and the complete journey from idea to production.