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Entrevista
I was contacted by a Facebook recruiter via Linkedin and told that my profile indicated that I might be a good fit for one of their software roles. We set up an initial phone call and I filled out a basic email survey about my professional experience. One of the first questions on the phone was "tell me about your experience as a web developer". I have none, which I admitted in the pre-call survey and is obvious from my Linkedin profile. That seemed to be a big problem. The recruiter said he needed to check with his manager, then hung up and I never heard back.
I still use facebook, but I have no interest in ever working there now.
Unexpectedly, the first question in the technical round felt familiar. It was about finding a subset of strings with unique character concatenation — same problem I had worked through on PracHub a few days earlier. The interview included a recruiter screen followed by a rigorous pair of technical interviews where I tackled data structures and algorithms alongside system design concepts. After successfully answering a few more challenging DSA questions, I received an offer. The entire experience was intense but ultimately rewarding, and I happily accepted the position.
Preguntas de entrevista [1]
Pregunta 1
Given an array of strings, pick a subset whose concatenation contains no duplicate characters, and return the maximum possible length of that concatenation.
Standard cookie cutter interview with a coding interview, a system design interview and culture interview. The coding part is basically leetcode. The system design is what you can find on many youtube videos. The culture one is more tricky as they want to see that you fit Meta's culture, not that you were doing great at your existing company. So skills like dealing with conflict without calling in managers is sought after.
Preguntas de entrevista [1]
Pregunta 1
coding: I forgot, sorry
system design: design ticketmaster
culture: talk about past project; when you disagreed with a peer; how I resolved dissagreements, etc.
The interview felt more straightforward than I anticipated for a well-known tech giant. After a recruiter screen, I faced a technical round that included a DSA question about finding the lowest common ancestor in a binary tree. I was pleasantly surprised when I realized the exact problem had popped up in the algorithm practice section on PracHub during my prep. Ultimately, the experience was decent, but I chose to decline the offer as it didn’t align with my current goals.
Preguntas de entrevista [1]
Pregunta 1
Given a binary tree, find the lowest common ancestor of two given nodes in the tree.
