Interview platform

Coding Challenges with AI Review

Pick a track, solve coding challenges in real time, and get instant AI feedback on your solutions.

React Professional

Hooks, state modeling, testing, performance, and architecture reviews.

  • 1 Fundamentals + hooks
  • 2 Debugging and optimization
  • 3 System design for frontends

JavaScript Professional

Deep focus on the event loop, async patterns, and advanced language mechanics.

  • 1 Core concepts + closures
  • 2 Async workflows + testing
  • 3 Architecture and tooling

Node.js Backend

APIs, scaling, observability, security, and production patterns.

  • 1 Async + server fundamentals
  • 2 API design and security
  • 3 System design + scaling

System Design

High-level architecture, trade-offs, and reasoning under constraints.

  • 1 Requirements gathering
  • 2 Data flows and scaling
  • 3 Bottlenecks and resilience

C++ Foundations

Syntax, types, control flow, and core C++ I/O fundamentals.

  • 1 Basics + data types
  • 2 Control flow + loops
  • 3 Functions + arrays

C++ OOP

Classes, constructors, inheritance, and polymorphism.

  • 1 Classes + constructors
  • 2 Encapsulation + RAII
  • 3 Inheritance + polymorphism

Modern C++

Smart pointers, move semantics, STL, templates, exceptions, and concurrency.

  • 1 Smart pointers + RAII
  • 2 Move semantics + templates
  • 3 STL + concurrency

DSA Foundations

Arrays, strings, stacks, queues, and basic recursion.

  • 1 Arrays + strings
  • 2 Stacks + queues
  • 3 Recursion basics

DSA Intermediate

Trees, graphs, hashing, and sliding window techniques.

  • 1 Trees + BST
  • 2 Graphs
  • 3 Hashing + window

DSA Advanced

Dynamic programming, backtracking, advanced graphs, and strings.

  • 1 DP basics
  • 2 DP advanced
  • 3 Backtracking + graphs