TikTok

Data Engineer Interview Experience - New York, New York

July 18, 2025

Negative ExperienceNo Offer

Process

Had two interviews and one more hiring manager round.

Questions were easy and not about SQL or Python. There were also a few resume-based questions.

They asked to explain numbers mentioned in the resume, such as how I identified that I improved a process by 30%.

Questions

Explain numbers mentioned in a resume. For example, how to identify that you improved a process by 30%.

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Interview Statistics

The following metrics were computed from 3 interview experiences for the TikTok Data Engineer role in New York, New York.

Success Rate

Pass Rate

TikTok's interview process for their Data Engineer roles in New York, New York is extremely selective, failing the vast majority of engineers.

Experience Rating

Positive67%

Neutral0%

Negative33%

Candidates reported having very good feelings for TikTok's Data Engineer interview process in New York, New York.

TikTok Interview Questions

Subarray Sum Equals K

Medium

Determine the total number of continuous subarrays within a given array that sum up to a specific target value, k.

ArraysSliding Windows

Longest Substring Without Repeating Characters

Medium

Find the length of the longest substring within a given string that contains no repeating characters. The substring must be contiguous.

StringsSliding Windows

Generate Parentheses

Medium

Given a number 'n', generate all possible well-formed (balanced) parentheses strings of length 2*n. For instance, if n=3, you need to create all valid combinations like '((()))', '(()())', etc.

RecursionStrings