J'ai postulé en ligne. J'ai passé un entretien chez TikTok en févr. 2025
Entretien
The interview process is recruiter call, followed by 3 technical rounds (each with a leetcode problem, resume overview, and ML questions), and a final HR round. Each technical round lasts around one hour, and I received a mix of medium and hard leetcode questions. For the ML portion, I was asked to mathematically derive the cross entropy loss, and code a Transformer block.
Questions d'entretien [1]
Question 1
Leetcode: Binary Tree Maximum Path Sum, Serialize and Deserialize Binary Tree, Search in Rotated Sorted Array
J'ai passé un entretien chez TikTok (San Jose, CA)
Entretien
three rounds, each has coding + ml basic + resume related questions
understand all the details in resume is important, since might go very deep down the project you have worked on
The first round was mainly a CV walkthrough.
The second round focused in depth on one specific project.
Both rounds also included LeetCode medium-level problems.
The third round was with the hiring manager with both project and problems for their business.
J'ai postulé via un recruteur. Le processus a pris 1 semaine. J'ai passé un entretien chez TikTok (San Jose, CA) en mars 2026
Entretien
one hour first round tiktok usds phone screen interview. past projects questions, leetcode mid questions, and machine learning, deep learning, large language model questions. And then ask the interviewer questions.