TypeScript Developer

TypeScript Developer Mock Assessment

Test your TypeScript depth with advanced generics, utility types, discriminated unions, and compiler configurations.

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2 minutes · 1 question · no credit card

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Technical Depth

Clarity

Confidence

Most students reach interview-ready after 3 practice sessions.

Sample question

What is the difference between Type Aliases and Interfaces in TypeScript?

Interfaces define object shapes and support declaration merging. Type aliases can define primitives, unions, tuples and intersections. Use interfaces for public object APIs and types for complex composition.

Placement Readiness Syllabus

Generics, conditional types, and mapped types
Discriminated unions, type narrowing, and custom type guards
tsconfig compiler options (strict flags, module resolution)
Declaration merging and ambient modules

How DevMate Practice Works

1. Answer 1 question free — no signup needed
2. Get your readiness score with instant feedback
3. Practice full rounds + run your resume through the ATS resume check

Frequently Asked Questions

Are TypeScript 5.x decorators covered?

Yes, both classical experimental decorators and ECMA-compliant metadata decorators are included.

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2 minutes · 1 question · no credit card

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