Staff Behavioral: Deciding With Incomplete Info, Stakeholder Alignment, Mentoring
Company: Stripe
Role: Software Engineer
Category: Behavioral & Leadership
Difficulty: medium
Interview Round: Other
This is the behavioral portion of a staff-level software engineering loop. The interviewer works through several story prompts and probes each one with follow-ups. The loop puts weight on clear communication and on influencing people you do not manage, so answers are judged on your specific decisions, the scope and stakes involved, and how you moved other people, not on general leadership philosophy.
Prepare a story for each part below, drawn from your own career.
### Clarifying Questions
- Should each story come from a different project, or is it acceptable to revisit one project from different angles?
- Roughly how long should each story run before the follow-ups begin?
- Are examples from earlier roles acceptable, or should they come from your most recent position?
### Part 1 — A difficult technical decision with incomplete information
"Tell me about a time you made a difficult technical decision with incomplete information." Describe the decision, what you did not know, how you chose anyway, and what happened.
```hint Make the uncertainty concrete
Name exactly what was unknown, and why waiting to find out was itself costly.
```
#### What This Part Should Cover
- The stakes and the specific unknowns, including the cost of delaying
- How the options were framed and the call was made under uncertainty
- Safeguards that limited the downside if the call turned out wrong
- The outcome and what it taught you about your own judgment
### Part 2 — Aligning stakeholders
Describe a time you had to bring stakeholders with competing goals to a shared plan on a technical direction.
```hint Start from their side
Before describing your actions, work out why each party's position was reasonable from where they sat.
```
#### What This Part Should Cover
- Who the stakeholders were and the real source of the conflict
- How you influenced the outcome without formal authority
- How the decision was reached and made to stick
- What the alignment unlocked and what it cost
### Part 3 — Mentoring and scaling technical influence
Give an example of growing other engineers and of extending your technical impact beyond your own code or team.
```hint Look past one-on-one help
Show a mechanism that kept working after you stepped away, and evidence that someone else got better.
```
#### What This Part Should Cover
- A specific person or group and the gap you helped them close
- How you chose between teaching, delegating and doing the work yourself
- A mechanism that scaled beyond you
- Observable evidence of growth or adoption
### What a Strong Answer Covers
- Stories that lead with scope and business impact before technical detail
- Specific personal decisions under pressure rather than generic leadership statements
- Staff-level scope: cross-team reach, ambiguity, and durable change
- Honest reflection, including what went wrong or what you would change
- Concise delivery that leaves room for probing
### Follow-up Questions
- Looking back on the Part 1 decision, what information would have changed it, and could you have obtained it sooner?
- In Part 2, what would you have done if the stakeholder who gave up the most had refused to commit?
- How do you know the engineer you mentored improved because of your help and not despite it?
- Tell me about a time your attempt to influence a technical direction failed.
Overview: Stripe staff-level behavioral prompts covering a difficult technical decision made with incomplete information, aligning stakeholders with competing goals, and mentoring engineers while scaling your technical influence. It evaluates judgment under uncertainty, influence without authority, and concise, impact-first storytelling.
Read the full Stripe Software Engineer interview experience this question came from