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      Entretien pour Senior Software Developer

      2 oct. 2015
      Employé (anonyme)
      Londres, Angleterre
      Offre acceptée
      Expérience positive
      Entretien facile

      Candidature

      J'ai postulé via une agence de recrutement. Le processus a pris 3 mois. J'ai passé un entretien chez Bloomberg (Londres, Angleterre) en juin 2015

      Entretien

      I applied for a C++ Software Developer position in May and successfully passed an interview process by the end of June. The process itself was pretty much generic: a technical phone interview, then 3 technical on sites, then, if you passed the previous steps, an HR interview. Really, you can read about it in every single review here, and the HR interview is pretty standard in all companies, so instead I'd like to focus on the technical questions they asked me. Please refer to the Interview Questions section to see the first 5. As glassdoor does not allow to add more there, I'll describe the subsequent questions below. First on site 3. Implement a thread-safe cache for objects which are expensive to copy, provide lookup, insert and delete operations. Here you basically have to combine std::unordered_map, std::mutex and std::shared_ptr into a single class. std::shared_ptr is used to make sure threads do not keep pointers to deleted objects. unordered_map and mutex should be obvious. I have also told it's possible to use read-write locks or atomic variables to synchronize access, depending on our usage patterns. Second on site 1. Two standard brain teasers: boxes with wrong labels and searching for a coin which is heavier than others. Easy. Second on site 2. How to find whether a singly linked list has a loop or not. A standard slow/fast runner problem, described in every book. Third on site. There were no questions at all, it was more like a conversation about the ways of profiling an application on UNIX systems to understand its memory allocation patterns, space-time trade-offs, overriding malloc/free, etc. I think they just did not want me to sit alone for 30 minutes waiting for an HR to come from a meeting, your mileage may vary. The day after I had a video conference with New York, which happened to be another friendly chat without any questions whatsoever, and I got an offer. Frankly speaking, I spent way more time waiting for a visa and background check results than preparing for and passing the interview itself. I suggest you using "Elements of Programming Interviews: The Insiders' Guide" as your preparation book and believe it covers all topics you need to answer their general coding question. Good luck :P

      Questions d'entretien [5]

      Question 1

      Phone interview 1. Remove duplicates from an unsorted singly linked list.
      1 réponse

      Question 2

      Phone interview 2. Tell whether there is anything wrong with the code you see.
      1 réponse

      Question 3

      Phone interview 3. Tell what's the output of the program you see.
      1 réponse

      Question 4

      First on site 1. A question about C++ templates.
      1 réponse

      Question 5

      First on site 2. A question about bitwise operations.
      1 réponse
      8

      Autres retours d’entretien d’embauche pour un poste comme Senior Software Developer chez Bloomberg

      Entretien pour Senior Software Engineer

      6 mai 2026
      Candidat à l'entretien anonyme
      Aucune offre
      Expérience négative
      Entretien difficile

      Candidature

      J'ai passé un entretien chez Bloomberg

      Entretien

      Terrible communication. Got passed between 3 different recruiters all of whom gave specific dates for updates and blew past them. Descriptions of what would be covered in the interviews are wholly inaccurate (don’t bother reading the PDF they sent to “prep” you, almost none of it came up in any of the 3 interviews I did with them.) Interviewers themselves were decent but clearly had exact “right” answers they were looking for. What’s the point of a leetcode question where there’s only one way to implement it? What’s the point of a system design interview where you’re having a candidate parse through a complex system that they clearly already know everything about and are just looking for 1-2 EXACT modifications to check off their boxes? Was there even a right answer? I genuinely don’t know what this company was looking for. Waste of time, waste of effort, waste of resources. Avoid, avoid, avoid

      Entretien pour Sr. Software Engineer

      21 avr. 2026
      Candidat à l'entretien anonyme
      New York, NY
      Aucune offre
      Expérience positive
      Entretien moyen

      Candidature

      J'ai passé un entretien chez Bloomberg (New York, NY)

      Entretien

      Interviewed with two separate teams. Coding rounds. Leet code style question. The interview went on for 1 hr. Waiting for the next steps. The seem to like link lists and arrays

      Entretien pour Senior Software Engineer

      14 mai 2026
      Candidat à l'entretien anonyme
      Aucune offre
      Expérience négative
      Entretien difficile

      Candidature

      J'ai postulé via une autre source. J'ai passé un entretien chez Bloomberg en avr. 2026

      Entretien

      Drawn out / repetitive / redundant, overly focused on algorithms you won't use, matches candidates with teams that don't need them. I started interviewing with 2 teams per their process, passed one and failed the other. The team I passed with then filled their role, so they had me interview with a 3rd team but had me start over from first round. I pass this AGAIN (so, to be clear, I've passed 2 out of 3 first rounds with 3 different teams), and then they have me do 2 second round interviews. I made clear I had a lot of client-side experience with a high degree of skill in interface engineering and client architecture. The system design interview asked me basically to "build whatsapp," which is a backend distributed architecture problem. They weren't checking that I knew how a REST api works - they wanted to know about database redundancy with sharding and partitioning and so on, interservice data format pros and cons, message broker queue latency, scaling all these backend things....like, it was not basic stuff. They clearly wanted a distributed systems expert, and of course declined to move forward with my candidacy. With this being the final result of 5 interviews, I expressed that I felt I was matched with the wrong team and received no reply. Kind of feel like my time was wasted. Also, a portion of people I spoke with had no personality or warmth whatsoever.

      Questions d'entretien [1]

      Question 1

      Build whatsapp from a system design perspective.
      Répondre à cette question
      1