Describe a cross-functional project you led and what you learned

Last updated: April 2, 2026

Quick Overview

Use the STAR method to answer. Be specific about the situation at Square/Block, your actions, and measurable outcomes.

Square/Block
Behavioral & Leadership
Machine Learning Engineer
Square/Block
April 2, 2026
Machine Learning Engineer
Behavioral Round
Behavioral & Leadership
Easy

50

6

2,597 solved


Use the STAR method to answer. Be specific about the situation at Square/Block, your actions, and measurable outcomes.

Behavioral questions at Square/Block are weighted heavily in the hiring decision. This question appears in the Behavioral Round and is designed to assess your past experiences and how they align with Square/Block's leadership principles and culture.

What the Interviewer Expects
  • Provide a clear, structured response using the STAR method
  • Share a genuine example from your professional experience
  • Demonstrate self-awareness and willingness to learn
  • Show how the experience shaped your current approach
Key Topics to Cover
Handling ambiguity and making decisions with incomplete information
Mentoring and team development
STAR method (Situation, Task, Action, Result)
Growth mindset and learning from failure
Leadership and influence without authority
How to Approach This
  1. Use the STAR method: Situation, Task, Action, Result.
  2. Be specific about YOUR actions, not just the team outcome.
  3. Quantify your impact whenever possible (e.g., "reduced latency by 40%").
  4. Prepare stories for: conflict, failure, ambiguity, leadership, and technical trade-offs.
  5. Show growth mindset. Explain what you learned and how you changed your approach.
Possible Follow-up Questions
  • What frameworks do you use for making similar decisions now?
  • What would you do differently if you faced this situation again?
  • How did you support your team through this situation?
  • How did you measure the success of your actions?
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Sample Answer
What the Interviewer is Really Asking

The interviewer is assessing your ability to lead cross-functional teams effectively, handle ambiguity, and make strategic decisions with incomplete information. They want to understand how you naviga...

Strong Answer Structure
  1. Situation: Briefly describe the project and its relevance to Square/Block. 2. Task: Define your role and the key objectives of the project. 3. Action: Detail the specific steps you took...

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