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Vue.js + Laravel Fullstack Live Coding Tasks (Interview Practice)

A collection of real-world fullstack coding tasks using Vue.js and Laravel, designed to simulate junior to senior level technical interviews.

Vue.js + Laravel Fullstack Live Coding Tasks

These are very similar to real interview assignments for junior/middle/senior fullstack developers.


Task 1 — Todo CRUD App

Requirements

Build:

  • Vue frontend
  • Laravel API backend

Features:

  • Create task
  • List tasks
  • Edit task
  • Delete task
  • Mark completed

Backend Requirements

Create API routes:

GET    /api/tasks
POST   /api/tasks
PUT    /api/tasks/{id}
DELETE /api/tasks/{id}

Use:

  • Laravel validation
  • Eloquent
  • API Resources

Frontend Requirements

Vue page with:

  • Input field
  • Task list
  • Checkbox
  • Delete button

Expected skills:

  • Axios/fetch
  • Reactive state
  • CRUD operations
  • Component structure

Task 2 — Authentication System

Requirements

Create login/register system using:

  • Laravel Sanctum
  • Vue frontend

Features:

  • Register
  • Login
  • Logout
  • Protected dashboard

Interviewer checks:

  • Password hashing
  • Token/session handling
  • Route protection
  • Auth middleware
  • Secure API requests

Task 3 — Product Search with Debounce

Requirements

Create:

  • Search input
  • API endpoint
  • Debounced requests

Backend

Laravel endpoint:

GET /api/products?search=iphone

Frontend

Vue:

watch(search, debounce(fetchProducts, 500))

Interviewer checks:

  • Performance
  • Debounce usage
  • Query optimization
  • Clean architecture

Task 4 — Pagination

Backend

Laravel:

Product::paginate(10);

Frontend

Build:

  • Next/Prev buttons
  • Loading state

Interviewer checks:

  • API understanding
  • State handling
  • UX quality

Task 5 — File Upload

Requirements

Upload image:

  • Vue frontend
  • Laravel backend

Backend

$request->file('image')->store('uploads');

Frontend

Use:

<input type="file" />

Interviewer checks:

  • FormData
  • Validation
  • File storage
  • Security

Task 6 — Realtime Chat (Advanced)

Using:

  • Laravel WebSockets
  • Pusher/socket
  • Vue frontend

Features:

  • Send message
  • Receive instantly
  • Online users

Interviewer checks:

  • Broadcasting
  • Events
  • Realtime thinking

Task 7 — Role-Based Access System

Roles:

  • Admin
  • User

Requirements:

  • Admin can delete users
  • User cannot

Interviewer checks:

  • Authorization
  • Policies/Gates
  • Middleware

Task 8 — Dashboard Statistics

Create dashboard:

  • Total users
  • Total sales
  • Orders today

Backend

Optimized queries.


Frontend

Charts using:

  • Chart.js
  • ApexCharts

Task 9 — Build Mini E-Commerce API

Features

  • Products
  • Categories
  • Cart
  • Orders

Interviewer checks:

  • Database design
  • API structure
  • Relationships
  • Clean code

Task 10 — Infinite Scroll

Frontend:

  • Auto-load more data while scrolling

Backend:

Product::cursorPaginate(20);

Task 11 — Fix Bugs Task

Interviewer gives broken code.

Example:

watch(user, () => {
  fetchData()
})

Problem: Infinite API calls.

Expected: Debug and optimize.


Task 12 — Refactor Bad Code

Given:

  • Large messy component

Need:

  • Split into composables/components/services

Task 13 — API Caching

Optimize slow endpoint.

Laravel:

Cache::remember('products', 60, fn() => Product::all());

Task 14 — Build Notification System

Requirements:

  • Toast notifications
  • Success/error handling
  • Global notification store

Libraries:

  • Vue Toastification
  • Notyf

Task 15 — Multi-Step Form

Features:

  • Validation
  • Step navigation
  • Final submission

Senior-Level Live Coding Tasks

16. Build reusable data table

Features:

  • Sorting
  • Pagination
  • Search
  • Reusable columns

17. Design scalable folder structure

Explain:

  • Stores
  • Services
  • Composables
  • Modules

18. Optimize slow Vue page

Fix:

  • Unnecessary renders
  • Large bundle
  • API waterfall

19. Design API architecture

Explain:

  • Controllers
  • Services
  • Repositories
  • DTOs

20. Build offline-first functionality

Features:

  • Cache API responses
  • Retry requests
  • Local persistence

Common Interviewer Follow-Up Questions

After coding, they often ask:

Why did you choose this structure?

Need:

  • Scalability
  • Maintainability
  • Reusability

How would this scale to 100k users?

Talk about:

  • Redis
  • Queue
  • CDN
  • Pagination
  • Caching
  • DB indexing

How would you improve performance?

Frontend:

  • Lazy loading
  • Virtual lists
  • Memoization

Backend:

  • Eager loading
  • Caching
  • Query optimization

Common Mistakes During Live Coding

Frontend

  • No loading state
  • No error handling
  • Massive component files
  • Direct API calls everywhere

Backend

  • Validation missing
  • N+1 queries
  • Business logic inside controller
  • No authorization

What Interviewers Actually Evaluate

Not only code.

They check:

  • Communication
  • Problem-solving
  • Architecture thinking
  • Debugging
  • Naming
  • Cleanliness
  • Edge cases

Extremely Common Fullstack Interview Task

This appears VERY often:

"Build small CRUD with authentication"

Usually includes:

  • Laravel API
  • Vue frontend
  • Login
  • CRUD
  • Validation
  • Pagination
  • Search
  • Deploy locally