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Senior Developer Interview Questions

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How would you scale access to a system like Twitter

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There's probably no real correct answer, though the solutions go from common to esoteric in a pretty normal progression: caching, shared-cache like memcache, optimize usage, prefetch, then get creative. This is more about testing reasoning and how far you'll go to solve a problem.

I was thinking geographically distributed servers.

Cf

What would you do if senior management demanded delivery of software in an impossible deadline?

3 Answers

Write a function to return the nth fibonacci number. The first two can be assumed to be 1 and 1. The third and fourth are then calculated to be 2 and 3.

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How would you troubleshoot slow loading web pages and poorly performing stored procedures?

2 Answers

For the years 1901 to 2000, count the total number of Sundays that fell on the first of a month.

2 Answers

How would you write a program to move inside a square spiral? Start at the upper left corner of the square and walk its edges clockwise. Just before re-approaching the upper left corner, spiral into the square instead, ultimately arriving at the center of the square.

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How would you build a BART train system.

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Q: Why multiple inheritances are not supported in Java?

1 Answer

If you were responsible for development and launch of a billing system, how would you handle a critical situation?

1 Answer

Describe your experience in selling solutions versus products? How are they different and how would you place your experience in this conversation?

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