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      Fenergo

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      Senior Software Engineer Interview

      Jun 27, 2025
      Anonymous interview candidate
      Dublin, Dublin
      No offer
      Neutral experience
      Easy interview

      Application

      I applied through a recruiter. The process took 2 weeks. I interviewed at Fenergo (Dublin, Dublin) in Jun 2025

      Interview

      It took 3 rounds with Fenergo guys to get rejected. 1. Technical with a developer 2. Behavioral, Technical with managers 3. Behavioral with the Dublin office IT director and the manager. The communication with their recruiter is EMAIL and teams only, and he looked tired of his duties :) The role is open for 2+ months at the moment, recruiters eager to find "right" person for "their" money. I was reached out about this role twice. The company is Windows laptops only. The interviewer expressed a sing of regret when we were discussing Apple Silicone and how good they are and added that he works on old Mac and there is no way to upgrade. Tech guys and the director told a different stories answering to the question about how they manage and tackle tech debt. It looks like devs are servants in this company and play by book. Local development processes are not set. Absence of QA team is a shock 😱 specially knowing the head count of the company :)

      Interview questions [7]

      Question 1

      Asked basic Python questions eg. generators, iterators, decorators...
      Answer question

      Question 2

      How do you manage permissions in AWS s3
      Answer question

      Question 3

      How do you test your code? Quality gates (wtf?). ' was told that there is no QA in the company that's why devs test code themselves , 😱😱😱
      Answer question

      Question 4

      Basic stuff about AWS DynamoDB, Postgres
      Answer question

      Question 5

      How do you manage disagreement between devs
      Answer question

      Question 6

      What do you do if one dev got pissed off by team accepting a different solution and toxic and inconstructive
      Answer question

      Question 7

      How do you sell me a ~~pen~~ need to work on technical debt
      Answer question

      Other Senior Software Engineer interview reviews for Fenergo

      Senior Software Developer Interview

      Feb 26, 2018
      Anonymous interview candidate
      Madrid
      No offer
      Negative experience
      Difficult interview

      Application

      I applied through a recruiter. The process took 2 months. I interviewed at Fenergo (Madrid) in Dec 2017

      Interview

      It was a too long hiring process. After 4 interviews (three of them technical) and after 2 months I didn't get an offer. I don't know why they need 3 technical interviews instead of having one or maybe two.
      1