Ixyle
Skill drill

TypeScript

TypeScript interview drills covering the parts senior engineers actually probe — type narrowing, generics, mapped/conditional types, utility types, module config, and the runtime-DX layer (decorators, type guards, satisfies). Fresher basics through staff-level type-system design, all at your pace.

What this skill is about

TypeScript interview drills covering the parts senior engineers actually probe — type narrowing, generics, mapped/conditional types, utility types, module config, and the runtime-DX layer (decorators, type guards, satisfies). Fresher basics through staff-level type-system design, all at your pace.

Topics we drill

  • TypeScript Basics
  • Functions & Typing
  • Objects & Interfaces
  • Generics
  • Advanced Type System
  • Built-in Utility Types
  • Modules & Configuration
  • Runtime & Developer Experience

Why this matters at interviews

Real interviewers don’t just check if you know the syntax — they probe whether you’ve used the concept under production pressure. Our drills mirror that. Adaptive difficulty, named anti-patterns called out as you go, and a senior-staff voice that teaches the production vocabulary rather than dumbing it down.

Companies that test this

AtlassianStripeMicrosoft
Start drilling free →