Interview questions›Google

Google interview questions

766 verified questions reported by candidates across 4 roles at Google. Each one is archetype-tagged so you can see the pattern, slot the right STAR story, and practice out loud against an AI interviewer.

Practice these questions out loud →Full Google prep guide

28 questions, grouped by role

Top 8 per role by quality score. For the full list per role, follow the role link in each section heading.

Software Engineer

All Software Engineer questions →
  1. 1
    Walk me through how you would architect a recommendation engine capable of serving personalized suggestions for a platform with 50 million active users.
    onsite
  2. 2
    You have pre-rendered static tiles cached on CDN. Traffic conditions change every few minutes. Re-rendering and re-caching billions of tiles every few minutes is too slow and expensive. How do you overlay dynamic traffic data on static tiles?
    system design·technical
  3. 3
    Phone GPS has 5 to 15 meter accuracy. A stationary phone looks identical to a traffic jam. A phone moving slowly through a school zone looks like congestion. With billions of noisy GPS points how do you ensure traffic computation reflects actual road conditions?
    system design·technical
  4. 4
    Walk me through the real-time synchronization process when a user types a character in a collaborative document editing system.
    onsite
  5. 5
    How would you architect a real-time fraud detection system for processing 10,000 financial transactions per second?
    onsite
  6. 6
    Walk me through your systematic approach to troubleshooting a production service outage when the root cause is initially unclear.
    onsite
  7. 7
    Design an algorithm to maximize the total value of items you can pack into a container, where each item type can be selected multiple times.
    technical
  8. 8
    Dijkstra exploring all roads equally for a Mumbai to Delhi query wastes enormous computation on tiny side streets that could never be part of the optimal route. How do you make routing dramatically faster?
    system design·technical

Product Manager

All Product Manager questions →
  1. 1
    Walk me through the potential issues in this code snippet and describe how you would debug and resolve the problems.
    onsite
  2. 2
    Walk me through the process of building a DCF.
    technical deep dive·onsite
  3. 3
    Tell me about a time you experienced conflict within a team
    conflict·onsite
  4. 4
    Tell me about a time you demonstrated leadership
    leadership·onsite
  5. 5
    Describe a time when you received critical professional feedback and how you constructively incorporated that insight into your work.
    onsite
  6. 6
    Walk me through calculating the fully diluted equity value for a company with 100,000 shares outstanding, 5,000 options, and $100,000 in convertible notes.
    onsite
  7. 7
    Design an input batching system for a GPU with compute constraints and many incoming inputs.
    system design·technical
  8. 8
    Walk me through how ten dollars of depreciation flows through the three statements
    technical deep dive·onsite

Sales Representative

All Sales Representative questions →
  1. 1
    How did you develop your critical perspective on the Calories In, Calories Out (CICO) weight loss model?
  2. 2
    How would you help a team member recognize and commit to meaningful personal or professional changes they seem hesitant about?
  3. 3
    How do you approach tracking nutrition and logging meals in fitness apps, and what challenges do you encounter with consistent tracking?
  4. 4
    Describe how you manage periods of intense craving or potential relapse and what steps you take to maintain recovery.
  5. 5
    Can you provide specific quota attainment numbers for each role you've held?
    background·final
  6. 6
    Can you give me the company names for each enterprise deal you closed?
    background·final
  7. 7
    How would you describe the sustainability of this approach for long-term professional practice?
  8. 8
    How would you describe the difference between having a mental health model versus having no awareness of personal intake patterns?

Data Scientist

All Data Scientist questions →
  1. 1
    Walk me through your approach to designing a complete machine learning system from data collection through model deployment.
    technical
  2. 2
    Walk me through the architecture and key mathematical formulas behind a specific machine learning model of your choice.
    technical
  3. 3
    Describe a situation where you needed to develop a deep, nuanced understanding of a complex technical concept beyond basic comprehension.
    behavioral
  4. 4
    Walk me through the logic behind this solution and break down its space and time complexity analysis.
    technical

Common questions

How many interview questions does Google actually ask in a typical loop?

It varies by role and round. A phone screen is usually 5–8 questions, on-site loops 15–25 across multiple interviewers. The full Google loop tends to surface 30+ distinct prompt patterns across the rounds, which is what we've banked here.

Are these Google interview questions actually asked?

Yes — every question on this page is verified, meaning at least one candidate reported being asked it in a real Google interview. We don't pad the list with generic prompts that weren't reported.

What's the best way to prepare for a Google interview?

Pick the role section most relevant to your interview, run three to five questions through the practice tool out loud, and read the per-answer scoring. Most candidates who land an offer report 8–15 practice sessions over two weeks before the interview.