1p3a Experience · Sep 2025

Finix Senior Software Development Engineer Interview Experience

SWE Senior

Interview Experience

I interviewed for a senior SDE position. The process was quick, taking about a week. It included a recruiter call, a headhunter interview, and three virtual vos (VA) rounds (DSA, API design, and syste

Full Details

I interviewed for a senior SDE position. The process was quick, taking about a week. It included a recruiter call, a headhunter interview, and three virtual vos (VA) rounds (DSA, API design, and system design). The recruiter call covered my background and role. The headhunter interview was behavioral questions and a deep dive into my resume. After scheduling the VA interviews, I asked the recruiter about some specific interview specifications, but they didn't reply. The following content requires a score of 200 or higher to view: The coding interview was at https://leetcode.com/problems/get-watched-videos-by-your-friends. The difference was that it asked for the count and sorting of all videos from the root user to level k users. Actually, it was divided into two questions: first, the count, then the sorting. I didn't pay attention and implemented them together. The API design involved designing Yelp, mainly discussing the API and database modeling. The questions were very detailed, and I was severely challenged for some non-standard REST API code. The system design involved designing a train info display board, the kind commonly found at train stations. It mainly involved making assumptions and elaborating on them; the interviewer praised everything I said. Overall, the interview experience was quite good. Everyone was very nice, and the interviewers were all long-term employees who showed great confidence in the company and the product.

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Topics

Sorting System Design Ml Networking