Your question is Alignment Across Engineering and Vendors. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
How do you drive alignment when engineering, product, and external vendors have competing priorities during a product lifecycle?
Explain the practical approach you would use from discovery through launch and post-launch operations. Address how you establish shared outcomes, make trade-offs visible, manage dependencies, resolve disagreements, communicate decisions, and identify when to escalate. Include the mechanisms, artifacts, and feedback loops you would use to keep commitments credible as priorities change.