Skills

Core

HTML595%
Semantic HTMLForms & ValidationARIA AttributesWeb ComponentsMeta Tags & SEO Structure
CSS392%
FlexboxCSS GridAnimations & TransitionsResponsive Design / Media Queries
JavaScript/ES6+95%
Async/Await & PromisesDestructuring & Spread/RestClosures & ScopeLexical EnvironmentExecution ContextArrow FunctionsModules (ESM)Array/Object MethodsPrototypal InheritanceEvent Loop & Microtasks
ReactJs92%
Hooks (useState, useEffect, etc.)Custom HooksContext APISuspense & Lazy LoadingServer ComponentsReact RouterPerformance (memo, useMemo, useCallback)Error BoundariesComponent Composition PatternsJSX
TypeScript90%
GenericsInterfaces & TypesUtility Types (Partial, Pick, Omit, etc.)Type Guards & NarrowingDiscriminated UnionsDecorators
Angular90%
SignalsStandalone ComponentsNew Control FlowDeferrable ViewsZoneless Change DetectionAngular DevToolsAngular CDKSSR

Architecture & Patterns

Dependency Injection85%
Hierarchical InjectorsInjection TokensProviders (useClass, useValue, useFactory)Multi-ProvidersResolution modifiers
SOLID, KISS, DRY Principles80%
SDD (Spec Driven Development with Claude AI)70%

State Management

Redux85%
RxJs80%
NgRx80%
NGXS75%

Styling & UI

SASS85%
Bootstrap85%
Tailwind CSS85%
BEM80%
Angular Material80%
Kendo-UI80%
Styled Components80%
LESS80%

Backend & APIs

REST85%
WebSockets78%
GraphQL70%
PHP70%
WordPress75%
WooCommerce65%
Node.js (Express, Nest)50%
MySQL50%
NoSQL50%

Quality & Optimization

Web Accessibility80%
Browser APIs80%
Web Performance Optimization80%
LighthouseCore Web VitalsChrome DevTools ProfilingCritical Rendering Path CRP
SEO75%
Meta Tags & Open GraphStructured Data (JSON-LD)Sitemap & Robots.txtServer-Side Rendering / SSGSemantic HTML for SEOCanonical URLs
Web Workers / Service Workers70%
Background Threading (Web Workers)Offline Caching StrategiesPush NotificationsBackground SyncpostMessage / Message ChannelsService Worker Lifecycle (install, activate, fetch)
PWA70%

Testing

Jest/Jasmine75%
Cypress50%
Playwright50%

Tools & DevOps

Git90%
ESLint/Prettier85%
Claude AI85%
Vite80%
Webpack75%
Docker75%
Next.js75%
D3 JS70%
CI/CD70%
Nx / Monorepo60%