Hiring developers

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In this talk I'll discuss how to interview developers, what matters to me and what I think is less important.

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Hiring developers

  1. 1. Hiring Developers Mission: impossible? ALT.NET Paris December 2013
  2. 2. ALT.NET Paris www.altnetfr.org www.meetup.com/altnetfr Julien Lavigne du Cadet http://www.linkedin.com/in/julienlavigneducadet @julienlavigne
  3. 3. This talk is not about convincing developers to join you
  4. 4. It’s about interviewing
  5. 5. The start of a debate?
  6. 6. Disclaimers
  7. 7. Context matters
  8. 8. Interviewers make a judgement call… with limited information!
  9. 9. Obvious stuff?
  10. 10. The Resume Screening
  11. 11. Diploma?
  12. 12. “One of the things we’ve seen from all our data crunching is that G.P.A.’s are worthless as a criteria for hiring, and test scores are worthless” Laszlo Bock, senior vice president of people operations at Google
  13. 13. But I do trust*: Resume Length Spelling Mistakes * … to skip the resume…
  14. 14. The Interview Process
  15. 15. The worst process ever?
  16. 16. The worst process ever? No technical questions…
  17. 17. Are you hiring developers or sales people?
  18. 18. The funnel effect…
  19. 19. What I like about a candidate* * In no specific order
  20. 20. He knows the basics
  21. 21. He reads about software development
  22. 22. He does his homework
  23. 23. He learns between interviews
  24. 24. He knows how to code basic stuff…
  25. 25. He knows how to code basic stuff… … and how to test it!
  26. 26. And he does not lie
  27. 27. The real question: Do I want to work with this guy?
  28. 28. I have mixed feelings about:
  29. 29. Brainteasers
  30. 30. Writing algorithm
  31. 31. I really don’t care about:
  32. 32. Framework X or Y
  33. 33. If you already work in my field
  34. 34. Some final tips
  35. 35. There’s no stupid question
  36. 36. Me: How many bits in a byte?
  37. 37. Me: How many bits in a byte? Candidate: 3.
  38. 38. Go in depth
  39. 39. Candidate: I don’t like recursion. Me: Why?
  40. 40. Candidate: I don’t like recursion. Me: Why? Candidate: because it involves a context switch.
  41. 41. Thank you

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