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Frontend Engineer Roadmap

Phase 1: Web Foundations

Beginner Level

Build a strong base in core web technologies

HTML & CSS

  1. 1. Semantic HTML5 (forms, tables, media, accessibility basics)
  2. 2. CSS3 (selectors, box model, positioning, flexbox, grid, transitions)
  3. 3. Responsive design & mobile-first approach
  4. 4. CSS variables & BEM methodology

JavaScript (Core)

  1. 1. Variables (let/const), Data types
  2. 2. DOM manipulation
  3. 3. Events & Event delegation
  4. 4. Functions, Scope, Closures
  5. 5. Arrays, Objects, Loops, ES6+ features (arrow functions, spread, destructuring)

Beginner Projects

  1. 1. Personal Portfolio Website
  2. 2. Responsive Landing Page
  3. 3. Simple To-Do List (Vanilla JS)
Phase 1
Phase 2
Phase 2: Advanced JavaScript & Web APIs

Junior Level

Become confident with modern JS and browser APIs

Advanced JavaScript

  1. 1. Asynchronous JS (Callbacks, Promises, async/await)
  2. 2. Fetch API & REST API consumption
  3. 3. Modules (ES6 import/export)
  4. 4. Error handling & debugging
  5. 5. Object-Oriented JS & Prototypes

Web APIs & Browser Features

  1. 1. LocalStorage / SessionStorage
  2. 2. Geolocation API
  3. 3. File & Media APIs
  4. 4. Web Workers basics

Junior Projects

  1. 1. Weather App (API fetch + UI)
  2. 2. Notes App with LocalStorage
  3. 3. Movie Search App using OMDb API
Phase 2
Phase 3
Phase 3: Frontend Framework (React + Ecosystem)

Mid-Level

Master a modern frontend framework (React dominates 2025)

React Core

  1. 1. JSX, Components, Props, State
  2. 2. Events & Forms
  3. 3. Conditional rendering & lists
  4. 4. Hooks (useState, useEffect, useRef, useContext)

React Advanced

  1. 1. Custom hooks
  2. 2. React Router (navigation)
  3. 3. Context API & State Management basics
  4. 4. Performance optimization (memo, lazy loading)

Ecosystem & Styling

  1. 1. Tailwind CSS (modern styling)
  2. 2. Styled-components / CSS Modules
  3. 3. Component libraries (MUI, ShadCN, Radix UI)

Mid-Level Projects

  1. 1. Blog App (React + API)
  2. 2. E-commerce Product Page (React + Tailwind)
  3. 3. Chat UI with Context API
Phase 3
Phase 4
Phase 4: State Management & Next.js

Mid-Level → Advanced

Build scalable, production-ready apps

State Management

  1. 1. Redux Toolkit (or Zustand / Jotai alternatives)
  2. 2. Server state management (React Query / TanStack Query)

Next.js (Full-Stack Frontend)

  1. 1. File-based routing (App Router)
  2. 2. Server Components & Client Components
  3. 3. API Routes (backend inside Next.js)
  4. 4. Data fetching (SSR, SSG, ISR, CSR)
  5. 5. Authentication (NextAuth.js, Clerk)
  6. 6. Middleware & Edge Functions

APIs & Integrations

  1. 1. REST APIs (best practices)
  2. 2. GraphQL basics (Apollo / URQL)
  3. 3. Using third-party APIs

Projects

  1. 1. Full-stack Blog with Next.js (Auth + Database)
  2. 2. E-commerce Store (Next.js + Stripe Payments)
  3. 3. Dashboard (Next.js + Charts + Role-based Auth)
Phase 4
Phase 5
Phase 5: Advanced Frontend Engineering

Senior-Level Prep

Be industry-ready with real-world practices

TypeScript

  1. 1. Static typing for React & Next.js
  2. 2. Interfaces, Generics, Utility Types
  3. 3. Type-safe API calls & components

Testing

  1. 1. Unit testing (Jest, Vitest)
  2. 2. Component testing (React Testing Library)
  3. 3. E2E testing (Cypress, Playwright)

Performance & Optimization

  1. 1. Code splitting, Lazy loading, Bundle analysis
  2. 2. Caching strategies (Service Workers, SWR, TanStack Query)
  3. 3. Web Vitals & Lighthouse audits

CI/CD & DevOps Basics

  1. 1. Git & GitHub best practices (branches, PRs, Actions)
  2. 2. Deployment (Vercel, Netlify)
  3. 3. Docker basics (optional)

Senior-Level Projects (Portfolio-Ready)

  1. 1. SaaS Dashboard (Next.js + Auth + Payments + Charts)
  2. 2. Social Media App clone (Next.js + Realtime DB like Firebase/Supabase)
  3. 3. Project Management Tool (Kanban board with drag & drop)
Phase 5
Phase 6
Phase 6: Career & Growth

Professional Level

Get hired as a frontend engineer

Portfolio Building

  1. 1. 3–5 polished projects (case study style, not just code dumps)
  2. 2. Personal website with blog/portfolio

Soft Skills & System Knowledge

  1. 1. Collaboration (GitHub, Jira, Notion, Agile workflows)
  2. 2. Understanding UX & accessibility (WCAG 2.2)
  3. 3. API contracts & working with backend teams

Interview Prep

  1. 1. DSA basics (arrays, strings, recursion, common LeetCode easy/medium)
  2. 2. System design basics for frontend (SPAs, caching, CDNs)
  3. 3. Whiteboard problems (debouncing, throttling, event bubbling)

🎉 Congratulations! You're Industry Ready!

You've completed the Frontend Engineer Roadmap and are now ready to take on professional development challenges.