TikTok Software Engineering Fundamentals Interview Questions

Practice the exact questions companies are asking right now.

9 Questions 1 Company02.12.2026
Showing 9 results
Role
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TikTok
Easy
Software Engineer Locked

Design automated regression tests for an API

This question evaluates proficiency in designing automated regression test suites for RESTful APIs, performance verification and monitoring, end-to-en...

Software Engineering Fundamentals
6
0
47 people solved
Feb 12, 2026
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TikTok
Easy
Software Engineer Locked

Plan QA testing for a new feature

This question evaluates competency in QA test planning, test strategy and prioritization, cross-functional coordination with development and product, ...

Software Engineering Fundamentals
3
0
44 people solved
Feb 12, 2026
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TikTok
Medium
Machine Learning Engineer

Explain Transformer, GPT vs BERT, and PR metrics

Answer the following conceptual questions: 1. Transformer architecture - Describe the main components of a Transformer block and what each part doe...

Software Engineering Fundamentals
5
0
58 people solved
Dec 15, 2025
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TikTok
Medium
Software Engineer Locked

Answer core Python, CS, DB, and testing questions

This multi-part prompt evaluates core software engineering competencies including Python fundamentals (OOP, object/model behavior, iterators/generator...

Software Engineering Fundamentals
2
0
40 people solved
Jan 6, 2026
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TikTok
Medium
Software Engineer Locked

Explain how Kafka works

This question evaluates understanding of Kafka and distributed streaming system concepts, covering core entities (broker, topic, partition, producer, ...

Software Engineering Fundamentals
6
0
52 people solved
Jan 22, 2026
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TikTok
Medium
Software Engineer Locked

Explain C++ containers, segfaults, and virtual dispatch

This question evaluates a candidate's understanding of C++ language and runtime fundamentals — covering standard container implementations and perform...

Software Engineering Fundamentals
7
0
51 people solved
Dec 10, 2025
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TikTok
Medium
Software Engineer

Implement list, form, and API rendering with pitfalls

Take-home: Build a Small Frontend App (List + Form + API + A11y) Goal Implement a simple web app that demonstrates core frontend skills: rendering fro...

Software Engineering Fundamentals
6
0
50 people solved
Aug 12, 2025
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TikTok
Medium
Software Engineer

Explain Java ConcurrentHashMap and queues

An interviewer asks you conceptual questions about Java's concurrency primitives. Explain in detail: 1. How Java's ConcurrentHashMap is implemented in...

Software Engineering Fundamentals
3
0
54 people solved
Nov 16, 2025
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TikTok
Medium
Software Engineer

Answer core CS fundamentals concisely

Answer core CS fundamentals concisely Answer core CS fundamentals: differentiate processes vs. threads; describe how a thread pool works (task queue, ...

Software Engineering Fundamentals
8
0
58 people solved
Jul 17, 2025

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TikTok Software Engineering Fundamentals Questions (Updated 2026) | PracHub