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Senior Software Engineer Interview Experience - Toronto, Canada

February 1, 2026
Positive ExperienceNo Offer

Process

During interview I have 3 times asked DSA on every level DSA round was going to level up with difficult problems. But I failed in third time DSA technical round due to level of DSA asked. I am not sure why to many rounds prefer. They have not asked the real question about my work and experience in third round I prepared for system design, scenario based with my mindset.

But I personally feel company will be quite good to work. Don't consider its bad review.

Questions

DSA DSA DSA (3 times)

Anagram related (In first screening round)

  1. Convertible
  2. String partition championship
  3. First word

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Interview Statistics

The following metrics were computed from 1 interview experience for the Fiserv Senior Software Engineer role in Toronto, Canada.

Success Rate

0%
Pass Rate

Fiserv's interview process for their Senior Software Engineer roles in Toronto, Canada is extremely selective, failing the vast majority of engineers.

Experience Rating

Positive100%
Neutral0%
Negative0%

Candidates reported having very good feelings for Fiserv's Senior Software Engineer interview process in Toronto, Canada.