Application Developer (Frontend Focus)

[ Essential Skills (Must Have) ]

Frontend Fundamentals

• JavaScript (ES6+): Advanced proficiency in modern JavaScript, including async/await, destructuring, modules, closures, and functional programming concepts
• TypeScript: Strong command of type systems, interfaces, generics, utility types, and advanced TypeScript patterns
• CSS: Expert-level CSS including Flexbox, Grid, animations, responsive design, CSS-in-JS, and modern CSS features
• HTML5: Semantic markup, accessibility standards (WCAG), SEO best practices, and web standards compliance

Frontend Frameworks & Libraries

• React: Advanced React development including hooks, context, state management, performance optimization
• Svelte/SvelteKit: Proficiency in Svelte’s reactive paradigm, stores, actions, and component lifecycle
• Redux/Redux Toolkit: State management patterns, middleware, async actions, and Redux best practices

Core Technologies

• Rollup: Configuration, plugin ecosystem, tree shaking, and optimization strategies
• Node.js: Server-side JavaScript, npm ecosystem, package management, and build scripting
• Bun: Modern JavaScript runtime and package manager
• Deno: Secure JavaScript/TypeScript runtime and tooling

Data Structures & Algorithms

• Strong understanding of fundamental data structures (arrays, objects, trees, graphs, hashmaps)
• Algorithm complexity analysis (Big O notation)
• Problem-solving and optimization techniques
• Experience with coding challenges and technical assessments

[ Desired Knowledge ]

Modern Development Tools

• Astro: Static site generation, island architecture, and multi-framework support
• Shadcn/ui: Component library integration and customization
• Webpack: Advanced configuration, loaders, plugins, and optimization

Development Ecosystem

• MCP (Model Context Protocol): Understanding of AI integration patterns
• JSDoc: Documentation standards and automated documentation generation
• ExpressJS: RESTful API development, middleware, and server architecture
• Axios: HTTP client configuration, interceptors, and error handling
• ⁠SolidJS: Fine-grained reactivity and performant component architecture
• ⁠Qwik: Resumable applications and progressive hydration concepts

[ Backend & Infrastructure Knowledge ]

Backend Fundamentals

• RESTful API design and consumption
• Database concepts (SQL/NoSQL)
• Authentication and authorization patterns
• Server-side rendering (SSR) and static site generation (SSG)
• Microservices architecture basics

Networking & Web Technologies

• HTTP/HTTPS protocols and status codes
• CORS, CSP, and web security fundamentals
• WebSockets and real-time communication
• CDN concepts and performance optimization
• Browser APIs and web standards