Tell Me About a Time You Changed Your Mind Based on New Evidence - Bar Raiser Evaluate
During a project to improve our service latency, I noticed the issue during a routine review with no tickets filed; I took initiative to investigate independently. After some investigation, I identified the main bottleneck as inefficient database queries through detailed analysis. I optimized several queries and worked with the team to deploy fixes. This optimization improved response times by approximately 15%, reducing customer complaints by 10%. Overall, it was a good learning experience.
While reviewing our service metrics, I noticed a recurring spike in latency that wasn’t addressed by any existing tickets or team initiatives. I independently analyzed the logs and discovered that a specific database query was causing a 30% delay during peak hours. I proposed a new indexing strategy and led the implementation, which reduced latency by 25%, improving customer experience and decreasing timeout errors by 15%. This proactive approach prevented potential revenue loss estimated at $50K monthly and was later adopted across other teams.
