How do you win project buy-in?
Company: LinkedIn
Role: Software Engineer
Category: Behavioral & Leadership
Difficulty: medium
Interview Round: Technical Screen
Answer the following behavioral questions:
1. Describe a time when you proposed a project or technical initiative and convinced your manager and other stakeholders to support it and allocate resources. How did you identify the opportunity, build the business or technical case, handle objections, and gain alignment?
2. How do you make sure you do not become a single point of failure on a team? Explain the concrete practices you use to share knowledge, document systems, distribute ownership, and reduce operational risk.
Quick Answer: This question evaluates leadership, stakeholder management, and team resiliency competencies by probing experience in securing project buy-in and in preventing single-point-of-failure through knowledge sharing, documentation, and ownership distribution.
Solution
A strong answer should be structured, specific, and outcome-oriented.
For the **project buy-in** question, use a STAR-style response:
- **Situation:** Briefly explain the business or technical problem.
- **Task:** State what needed to change and why it mattered.
- **Action:** Show how you built credibility and alignment. Strong points include:
- gathered data to prove the problem existed
- quantified impact such as latency, reliability, revenue, engineering time, or customer pain
- identified key stakeholders early
- tailored the message to each audience: engineering detail for technical peers, cost/risk/ROI for leadership
- proposed a scoped plan with milestones, risks, and required resources
- addressed objections directly and incorporated feedback
- **Result:** Explain the outcome using measurable results.
What interviewers want to hear:
- you do not push ideas based only on intuition
- you understand stakeholder incentives
- you can influence without authority
- you think about tradeoffs, prioritization, and execution risk
A good sample structure:
1. "We had repeated production incidents caused by manual deployment steps."
2. "I analyzed incident history and showed that deployment issues caused X% of outages and Y hours of engineering time."
3. "I proposed an automated deployment pipeline, estimated implementation cost, and showed expected reduction in incidents."
4. "I met with the manager, SRE, and product stakeholders separately to understand concerns around timeline and migration risk."
5. "I reduced scope for phase 1, added rollback safeguards, and secured one quarter of staffing."
6. "After launch, deployment time dropped from A to B and deployment-related incidents fell by C%."
For the **single point of failure** question, focus on habits that scale team knowledge rather than personal heroics. Strong practices include:
- writing and maintaining documentation for architecture, runbooks, and common failure modes
- recording design decisions and operational procedures
- cross-training teammates through walkthroughs, pairing, and code reviews
- rotating ownership of on-call, releases, or critical subsystems
- avoiding private knowledge in local machines, DMs, or memory
- building dashboards, alerts, and self-service tools so others can operate the system
- making sure tests, CI/CD, and runbooks allow others to safely change the system
- encouraging shared ownership rather than becoming "the only expert"
A strong answer should also mention mindset:
- being indispensable is risky for the team
- resilient teams need redundancy in both systems and knowledge
- success means the team can continue operating even when you are unavailable
A concise example:
"I noticed I was the only engineer comfortable operating a critical service. To reduce that risk, I created an architecture doc, wrote incident runbooks, added missing monitors, and scheduled two knowledge-sharing sessions. I also rotated ownership of recurring operational tasks and involved teammates in code reviews for that service. Within a month, two other engineers were able to debug and deploy changes independently, which reduced team risk and improved response time during incidents."
Common mistakes to avoid:
- saying you convinced stakeholders only through technical correctness
- failing to mention metrics or business impact
- framing yourself as the heroic bottleneck
- giving generic answers without a concrete example