четверг, 8 декабря 2016 г.

Inerviewing Developers: triggers, part II

The series:
Interviewing Developers
Interviewing Developers: triggers, part I
Interviewing Developers: triggers, part II
Interviewing Developers: triggers, part III

This post also appears in my other blog.

Last time we looked into several responses that I don’t like to hear during an interview. In this post I will add more examples of candidates’ phrases, which usually indicate weak potential for becoming a worthy team member. Next time, to finish on a good note, I will switch to positive interview triggers, but today let’s keep a bit negative.

Candidate: “I’m tired of writing code. I want to be an architect in your team.”

The funniest thing about this is that I usually hear it from 23–24 years old guys, who have at most a couple years of commercial development experience. It is clear that a candidate with this kind of background is hardly fit for a software architect’s position, but it is also difficult to consider them as a developer because they admit they don’t want to do programming anymore. What’s worse, I believe there are few (if any) good architects who don’t wish they could spend more time coding. Somehow the love for programming comes together with good software design skills and the lack of it means one can’t go far on the technical side of the software development world. The simplest rule here is: never hire for a knowledge-based position someone who doesn’t like its core — they will likely be both inefficient and dissatisfied.

Candidate: “That wasn’t my responsibility”

Usually this comes in response to questions like “Why did your team chose to implement X and not Y?” and “Why did you use that framework instead of this one?” If we speak of junior and mid-level developers we indeed must assume that someone else was in charge of making both product and technical decisions, but it is also true that good developers usually care enough about their work and team. This means they do question the decisions made by the team or the company and try to understand the reasoning behind them instead of blindly doing what they are told. It is also common for them to say “we” about the team — even after they left it — and assume some responsibility for its results. If a person does otherwise, it may indicate a lack of curiosity and ambition, both of which are crucial to becoming an effective team-player and growing one’s skills with time.
Candidate: “I was good but the other developer made incorrect decisions and so we failed”
This one is a refined version of unwillingness to take any responsibility — particularly, for failures. I bet, when asked about the reasons behind one of their successful projects that same person will claim full credit for that success. The problem is that such a person is likely a poor team-player. Clearly separating oneself from their team instead of saying “we” tells a lot about the person’s ability to make the team more effective, collaborate and help others. I definitely don’t want to hire someone who will do poor job and then blame the whole world in their failure — such people learn little, don’t work very hard and thus rarely succeed. Moreover, blaming others doesn’t make you look reliable and trustworthy — even outside the interviews.

Interviewer: “Which of your recent achievements make you feel proud?”
Candidate: “There wasn’t anything like that — just common work.”

While treating this response in a strictly negative way might feel too much, it is nevertheless very informative. Even with purely routine work a good employee will discover a way to optimize his day-to-day duties and will feel proud of doing so. The same way, even people who truly believe that they are inferior to others and the results of their work are flawed will likely find something to be proud of if they are willing to assess their achievements. Conversely, candidate’s inability to identify something worthy among their results means they are unprofessional, because a professional always reflects on what they do, looks for ways to improve that and definitely has a thing or two to name as their valuable accomplishments. You don’t want to deal with someone who shows little initiative and lacks a purpose, do you?

In these two posts I tried to outline possible characteristics of a person I wouldn’t want to hire. Like I said before, neither of the triggers mentioned in this or previous post can make me reject the candidate — they only give me a hint on what to look for and which skills and aspects of personality to analyze. It helps spend less time on interviews and also allows me to maintain a clearer understanding of the traits that I expect and don’t expect from the great developers, QA engineers and analysts we are looking for. I promise to return with a more positive attitude in the next post and review the behaviors that make candidates look good to me.

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