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Behavioral: your most complex project, a conflict you resolved, and a failure

UberSoftware Engineer · Onsite
MediumSoftware EngineerOnsiteBehavioral & Leadership

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Three hiring-manager behavioral questions: describe your most complex project, a conflict you resolved, and a failure you owned. Answers are judged on STAR structure, personal ownership, concrete and measurable results, a fair account of other people's views, and lessons that were actually applied later.

The hiring manager asked several standard behavioral questions. Answer each part with a specific example from your own experience.

Clarifying Questions

  • For the complex project, may the complexity be organizational (many teams, unclear ownership) as well as technical?
  • For the conflict, does a disagreement with a manager or with another team count, or should it be with a peer?
  • For the failure, should it be one with real impact on users or the business, rather than a minor mistake?

Part 1 — Your most complex project

Tell me about the most complex project you have worked on. What made it complex, what was your role, and how did it turn out?

What This Part Should Cover

  • The source of complexity, stated concretely
  • Your own decisions and contributions, separated from the team's
  • A key decision explained with the alternatives you considered
  • A measurable outcome and what you would do differently

Part 2 — A conflict

Tell me about a conflict you had with a colleague or another team. How did you handle it, and what was the outcome?

What This Part Should Cover

  • The other person's position, described fairly
  • The steps you took to resolve the conflict, including any data or escalation you used
  • The decision that was reached and the state of the working relationship afterwards

Part 3 — A failure

Tell me about a time you failed. What happened, and what did you do about it?

What This Part Should Cover

  • A genuine failure and its impact, without shifting blame
  • The immediate actions that limited the damage
  • Lasting changes to your own behavior or to the team's process, and evidence that they worked

Hints

Hint 1

Name the complexity: Say precisely what made the project hard, such as conflicting constraints, many teams, a live migration or a hard performance target, instead of listing the technologies involved.

Hint 2

Disagreement about what: Pick a conflict about a real decision, such as a design, a priority or a deadline, in which the other side had a reasonable position, and show how you came to understand it.

Hint 3

Own your part: Choose a real failure with consequences you can state, and spend most of the answer on what you did afterwards and what you changed.

Follow-up questions

  • Looking back at the complex project, which decision would you reverse, and why?
  • What would the other person in your conflict say about how you handled it?
  • How did you know that the changes you made after the failure actually worked?
  • How did you keep stakeholders informed while the complex project was at risk?