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Openai·Software Engineer·Technical Phone Screen·Senior

Senior
Apr 2026

Summary

Technical round at OpenAI for a software engineer role. The format was pretty standard: pick a past project and walk through it. They wanted something cross-functional and high-impact, which I had, but the depth of follow-up still caught me working.

Questions Asked (1)

Q1

Walk me through a past project that was cross-functional and had significant impact.

Cross-functional AlignmentStakeholder ManagementTechnical Trade-offs
Author's notes

I'd prepped a project that touched multiple teams so I wasn't scrambling for material.

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AI HintsAI Generated

Suggested Approach

Choose a project where you collaborated with multiple teams (e.g., product, design, data science) and delivered measurable impact. Structure your answer using a clear narrative arc: context, your role, cross-functional collaboration, technical trade-offs, and quantified results. Emphasize how you aligned stakeholders and navigated challenges to achieve success.

Pro tip: Quantify the impact with concrete metrics (e.g., latency reduction, user engagement increase) and highlight a specific trade-off you made, showing you understand engineering decisions affect the whole business. Also, mention how you communicated technical concepts to non-technical stakeholders to build trust.

1. Set the Context

Briefly describe the project, its goals, and why it required cross-functional collaboration. Mention the teams involved and the expected impact.

2. Define Your Role

Clearly state your specific responsibilities and how you contributed to the project's success. Highlight any leadership or coordination you did.

3. Explain Cross-Functional Collaboration

Detail how you worked with other teams (e.g., product, design, data science) to align on goals, resolve conflicts, and ensure smooth execution.

4. Discuss Technical Trade-offs

Describe a key technical decision you made, the alternatives considered, and how you balanced factors like performance, scalability, and time-to-market.

5. Share Impact and Learnings

Quantify the project's impact (e.g., metrics, user feedback) and reflect on what you learned about cross-functional work and technical leadership.

Key Points to Mention

  • Specific cross-functional teams involved and how you aligned them
  • A concrete technical trade-off you made and its rationale
  • Quantifiable impact metrics (e.g., performance improvements, user growth)
  • How you communicated technical concepts to non-technical stakeholders
  • Challenges in coordination and how you overcame them
  • Lessons learned that you apply to future projects

AI-generated suggestions, not part of the candidate's original notes. May be inaccurate — verify before relying on them.