Career Track

TypeScript Backend Interview Prep — 6 Questions: 3 Theory + 3 Coding Tasks

TypeScript backend interview track: Node.js runtime, type-safe contracts, data layer patterns, architecture, and security with 6-question tests (3 theory + 3 coding tasks).

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Complete theory directly on the website
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Timed tests based on topic difficulty
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Separate PDF certificate for each track

Topics in selected category

The progression is designed from core runtime concepts to high-impact architecture and security decisions.

1Basic

Node.js and TypeScript Basics

Runtime model, modules, typing, and project setup essentials for TS backend interviews.

2Intermediate

Type-Safe API Contracts

Request validation, response schemas, and end-to-end type safety for TS backend APIs.

3Intermediate

TS Backend Data Layer

Repository patterns, transactions, and SQL/ORM decisions in TypeScript backends.

4Advanced

Scalable TS Backend Architecture

Layered architecture, observability, background jobs, and reliability patterns.

5Advanced

TS Backend Security and Auth

JWT/session auth, RBAC, hardening, and secure backend practices in Node + TypeScript.

Mock Interview

Practice with a real interviewer

Get a real interview experience with an experienced mentor. Receive professional feedback on your answers, communication style, and areas for growth.

  • ✓ 1-on-1 session via Google Meet with a professional interviewer
  • ✓ Real interview questions for your chosen specialization
  • ✓ Detailed written feedback after the session
  • ✓ Tips to improve your interview performance
300 UAH

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Why practice interviews?

  • Reduce anxiety by experiencing the interview format before the real thing
  • Identify weak spots and knowledge gaps you might not notice yourself
  • Learn how to structure answers and present your experience effectively
  • Get honest feedback from someone who evaluates candidates professionally

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Interview prep FAQ

You can browse topics and materials without login. Tests, progress tracking, leaderboard, and certificate require sign-in.
PRO/PREMIUM unlock test hints that help you move faster through difficult topics.
After 100% completion of a specific track, a dedicated PDF certificate becomes available in your profile.
Test duration depends on topic difficulty — from 12 to 26 minutes for Frontend topics, up to 24 minutes for QA and UI/UX topics.
No. Progression is strictly sequential: each topic unlocks only after passing the previous one.
5 topics: Node.js and TypeScript Basics, Type-Safe API Contracts, TS Backend Data Layer, Scalable TS Backend Architecture, TS Backend Security and Auth.
The track covers runtime validation, DTO schemas, consistent error payloads, and client-server contract safety.
Yes. Dedicated topics cover scalable architecture, observability, background jobs, RBAC, auth, and hardening.