Tight-Deadline Launch, Disagreeing With a Manager, and Guiding a Junior Scientist
Company: LinkedIn
Role: Machine Learning Engineer
Category: Behavioral & Leadership
Difficulty: hard
Interview Round: Technical Screen
This behavioral segment of a one-hour machine learning engineer phone screen followed a brief introduction. Three questions were asked back to back, and the interview then moved straight on to coding and a system design. Answer each question with a specific story from your own work, and keep each answer tight, because there is little time per question.
### Clarifying Questions
- About how long should each answer run, given that three questions share a short segment of a one-hour screen that also includes coding and system design?
- Should the stories come from machine learning or research work specifically, or is any engineering project acceptable?
### Part 1 — A project launch with a tight deadline
Tell me about a project launch with a tight deadline.
```hint Show the trade-off, not the hustle
The interviewer is listening for what you chose to cut, keep or protect to make the date, and who agreed to it, more than for how many hours you worked.
```
#### What This Part Should Cover
- Why the deadline was tight and what depended on it
- The specific scoping or sequencing decisions you made and the risks they carried
- How the launch was checked and rolled out, and the measurable result
### Part 2 — Disagreeing with your manager
Tell me about a time you disagreed with your manager.
```hint Pick a disagreement of substance
Choose a case about a technical or priority decision where you brought evidence, and be ready to explain how it ended even if your view did not win.
```
#### What This Part Should Cover
- The decision at stake, with both positions stated fairly
- How and when you raised the disagreement, and the evidence you used
- The resolution, how you committed to it, and what happened afterward
### Part 3 — Guiding a junior scientist
Tell me about how you guided a junior scientist to complete a piece of work.
```hint Their growth, not your output
The story should show what the junior scientist could do on their own afterward, not that you quietly finished the work for them.
```
#### What This Part Should Cover
- How the work was scoped and what was expected of the junior scientist
- The specific guidance mechanisms you used and how you adjusted them over time
- The outcome for the work and for the junior scientist's independence
### What a Strong Answer Covers
- Three distinct, specific stories, with your own actions clearly separated from the team's
- Results stated in concrete terms: metrics, dates, scope or adoption
- Delivery that fits a compressed segment: brief context, most of the time on actions and results
- Judgment that suits a machine learning role, such as evaluation rigor, data quality and staged rollout
- A short reflection on what you would do differently
### Follow-up Questions
- In the deadline story, what did you knowingly leave out of the launch, and what happened to it afterward?
- If your manager had overruled you and the decision later proved wrong, what would you have done?
- How did you decide how long to let the junior scientist struggle before stepping in?
- What would the junior scientist say they learned from working with you?
Overview: A three-question behavioral segment from a machine learning engineer phone screen: a project launch under a tight deadline, a disagreement with your manager, and guiding a junior scientist to finish a piece of work. It tests prioritization, constructive disagreement, mentoring, and concise STAR storytelling under time pressure.
Read the full LinkedIn Machine Learning Engineer interview experience this question came from