Google Senior Software Engineer interview questions
based on 358 ratings - Updated Jun 12, 2026
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Candidates applying for Senior Software Engineer roles take an average of 30 days to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at Google overall takes an average of 39 days.
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5 stages. 2 coding, system design, Machine Learning system design, hiring manager meeting. Coding rounds were standard leetcode medium. The Machine learning design and system design were a bit harder
Interview questions [1]
Question 1
Design a recommendation engine for a social media platform
I applied through a recruiter. I interviewed at Google (Warschau, Masowien) in Jul 2025
Interview
Live coding, implement 2 functions. Make sure you know dfs well. Ask plenty of questions, because only vague description is provided. They want to actually test how you gather requirements. They asked me if it’s my first interview at Google.
Very professional and personable team. Made sure we would be a good fit for one another and made the whole process easy to navigate. The company felt welcoming to apply to.
Interview questions [1]
Question 1
What was my hardest engineering problem I’ve faced.