Hiring Guide

Top 40 TypeScript Coding Challenges with Solutions

Deep dive into complex TypeScript patterns, type manipulation, and architectural decisions that separate senior developers from the rest

Core Concepts
Data Structures and Algorithms
System Design
Coding and Debugging

AI-Powered Technical Assessment

Our curated TypeScript challenges are validated against performance data from top 5% developers, ensuring you identify truly exceptional talent through practical, real-world scenarios

Start hiring now

Core Concepts

Data Structures and Algorithms

System Design

Coding and Debugging

Streamline Your TypeScript Hiring Process

Access our premium database of expert-verified TypeScript challenges. Reduce hiring time by 60% while ensuring technical excellence. Start your free trial today.

Scale Smart

Interview Questions for Other Related Skills

Django Coding Challenges

NestJS Coding Challenges

Ruby

Site Reliability Engineer

Network Architect

Why Index.dev?

Our talent is hand-picked

Work with only the best 5% developers worldwide.

We prioritize speed

Start interviewing qualified candidates within 48 hours.

We respect your budget

Get senior talent at 50% less than competitors with built-in compliance.

Top 40 TypeScript Coding Challenges with Solutions

AI-Powered Technical Assessment

Core Concepts

Implement a type-safe compose function in TypeScript that can handle multiple functions

Create a type-safe deep readonly utility type

Implement a type-safe event emitter class

Create a type-safe builder pattern implementation

Implement a type-safe memoization decorator

Create a type-safe dependency injection container

Implement a type-safe state machine

Create a type-safe proxy wrapper

Implement a type-safe observable pattern

Create a type-safe validation decorator

Data Structures and Algorithms

Implement a generic Stack data structure in TypeScript with push, pop, and peek operations

Create a function that finds pairs of numbers in an array that sum to a target value using TypeScript

Implement an LRU (Least Recently Used) Cache with a fixed capacity in TypeScript

Implement a function to find the maximum sum of any contiguous subarray using TypeScript (Kadane's Algorithm)

Create a generic Queue implementation using two Stacks in TypeScript

Implement a function to detect if a linked list has a cycle using TypeScript

Create a function to implement binary search on a sorted array in TypeScript

Implement a function to find the first non-repeating character in a string using TypeScript

Create a MinHeap data structure implementation in TypeScript

Implement a function to reverse a linked list in-place using TypeScript

System Design

Design a scalable URL shortener service like bit.ly

Design a real-time chat system supporting millions of users

Design a social media feed system like Twitter

Design a distributed task scheduler system

Design a distributed caching system like Redis

Design a rate limiting system for an API gateway

Design a distributed job queue system

Design a notification service supporting multiple channels

Design a distributed logging and monitoring system

Design a distributed configuration management system

Coding and Debugging

Create a type-safe curry function in TypeScript

Write a TypeScript function to flatten a nested array of any depth

Implement a type-safe debounce function in TypeScript

Create a TypeScript type that makes all properties of an interface optional at any depth

Write a TypeScript function to check if a string is a valid palindrome, ignoring spaces and punctuation

Implement a type-safe event emitter in TypeScript

Create a TypeScript decorator to measure function execution time

Implement a type-safe memoization function in TypeScript

Write a TypeScript function to implement deep object comparison

Implement a TypeScript utility type that converts string literal types to camelCase

Streamline Your TypeScript Hiring Process

Interview Questions for Other Related Skills

Why Index.dev?

Our talent is hand-picked

We prioritize speed

We respect your budget

Top 40 TypeScript Coding Challenges with Solutions

AI-Powered Technical Assessment

Core Concepts

Implement a type-safe compose function in TypeScript that can handle multiple functions

Create a type-safe deep readonly utility type

Implement a type-safe event emitter class

Create a type-safe builder pattern implementation

Implement a type-safe memoization decorator

Create a type-safe dependency injection container

Implement a type-safe state machine

Create a type-safe proxy wrapper

Implement a type-safe observable pattern

Create a type-safe validation decorator

Data Structures and Algorithms

Implement a generic Stack data structure in TypeScript with push, pop, and peek operations

Create a function that finds pairs of numbers in an array that sum to a target value using TypeScript

Implement an LRU (Least Recently Used) Cache with a fixed capacity in TypeScript

Implement a function to find the maximum sum of any contiguous subarray using TypeScript (Kadane's Algorithm)

Create a generic Queue implementation using two Stacks in TypeScript

Implement a function to detect if a linked list has a cycle using TypeScript

Create a function to implement binary search on a sorted array in TypeScript

Implement a function to find the first non-repeating character in a string using TypeScript

Create a MinHeap data structure implementation in TypeScript

Implement a function to reverse a linked list in-place using TypeScript

System Design

Design a scalable URL shortener service like bit.ly

Design a real-time chat system supporting millions of users

Design a social media feed system like Twitter