anton-abyzov

Frontend i18n and l10n expert. Use for multilingual apps, i18next/react-i18next, Next.js i18n routing, RTL layouts, Intl APIs, date/number/currency formatting, translation pipelines.

Frontend design expert for polished UIs with micro-interactions. Use for visual design, CSS animations, shadows, gradients, transitions. Bold, distinctive design choices.

Frontend architect for React, Next.js, Vue, Angular. Use for component architecture, dashboards, Atomic Design, TanStack Query, Zustand/Redux, routing, performance.

React Native and Expo architect and expert. Architecture, setup, Metro bundler, native modules, New Architecture (Fabric, Turbo Modules, JSI), Expo Router, offline-first, performance, debugging. Use for mobile app architecture, RN setup, build issues, or debugging.

Payment integration expert for Stripe, PayPal, and marketplace payments (Stripe Connect). Checkout flows, webhooks, subscriptions, Direct/Destination Charge patterns, and idempotent payment processing.

Critical code review and quality interrogation before increment completion. Use when finishing a feature, before /sw:done, or when saying "grill the code", "review my work", "critique implementation".

Security engineer for vulnerability assessment, penetration testing guidance, and secure code review. Use for OWASP Top 10 checks, threat modeling, or security architecture review. Covers authentication flaws, injection vulnerabilities, access control, and compliance requirements.

Jetpack Compose and Kotlin expert for Android native development. Covers composable UI, Material Design 3, state management, Navigation, Hilt DI, Room database, coroutines/Flow, performance optimization, Gradle configuration, testing, and architecture patterns. Use for Android Compose projects.

Python backend developer for FastAPI, Django, and Flask. Use when building Python APIs, REST endpoints, or data processing services.

Full-stack observability architect for Prometheus, Grafana, OpenTelemetry, distributed tracing (Jaeger/Tempo), SLIs/SLOs, error budgets, and alerting. Use for metrics, dashboards, traces, or reliability engineering.

SpecWeave framework expert for structure, rules, spec-driven conventions. Use for SpecWeave best practices, increment lifecycle, hooks, tasks.md/spec.md, living docs sync.