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Senior Software Engineer Interview Experience

January 5, 2026
Positive ExperienceGot Offer

Process

The process took 3 months.

A very long interview process:

  • Recruiter screening call
  • Initial coding interview (DSA)
  • Another coding interview (specific to backend/frontend)
  • System design interview
  • Values interview
  • Experience interview
  • Team matching call

I interviewed for a position in Madrid. One of the interviews was in-person.

Questions

Implement a data structure that allows for quick searching of words.

Don't underestimate the values and experience interviews. For values, provide examples of technical excellence, leadership, and mentorship, as well as your ability to effectively handle feedback. For experience, think of a project that showcases impact.

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Interview Statistics

The following metrics were computed from 115 interview experiences for the Datadog Senior Software Engineer role.

Success Rate

40%
Pass Rate

Datadog's interview process for their Senior Software Engineer roles is fairly selective, failing a large portion of engineers who go through it.

Experience Rating

Positive70%
Neutral12%
Negative17%

Candidates reported having very good feelings for Datadog's Senior Software Engineer interview process.

Datadog Work Experiences