Question bank

Interview questions, with guidance on how to answer

834 questions across 64 roles. Open one to see what a strong answer includes and common slips, then drill it out loud with Ava. New to answer structure? Start with the learning hub.

13 questions match your filters.

System designSeniorRecruiter
How would you design a hiring process for a team that reduces bias and still moves quickly?
Tests: Fair & compliant hiring
System designSeniorData Analyst
How do you design a dashboard that executives will actually use, rather than one that gets ignored after a month?
Tests: Visualisation & dashboards
System designSeniorMachine Learning Engineer
How would you design a recommendation system for an online store that needs to respond in under a hundred milliseconds?
Tests: ML system design
System designSeniorAI Engineer
How would you design an AI assistant that can take actions in company systems, like issuing refunds, so it stays safe?
Tests: AI safety & security
System designSeniorSoftware Engineer
How would you design a link shortening service that has to handle millions of redirects a day? Talk me through the main pieces and trade-offs.
Tests: System design
System designSeniorBackend Engineer
How would you design a system that sends order confirmation emails reliably, even if the email provider is down for a while?
Tests: Distributed systems & scalability
System designMid levelMobile Engineer
What architecture pattern do you use to structure your app's screens and logic, and why that one?
Tests: Mobile UI & app architecture
System designSeniorEmbedded Systems Engineer
How would you design a firmware update process for devices in the field so a failed update never bricks them?
Tests: Firmware testing & reliability
System designMid levelEngineering Manager
How do you design an interview process that's fair and actually predicts who will do well on your team?
Tests: Hiring & team building
System designSeniorSite Reliability Engineer
How would you design a service so that losing an entire availability zone, or a key dependency, does not take the whole product down?
Tests: Capacity & resilience design
System designSeniorDatabase Administrator
Design a setup for a critical database that needs to survive losing a server or a whole data center with minimal data loss. What trade-offs do you make?
Tests: High availability & replication
System designSeniorSolutions Architect
Walk me through an architecture you designed that you are proud of. What were the biggest trade-offs, and what would you change now?
Tests: Solution design & trade-offs
System designSeniorCustomer Success Manager
How would you design a customer health score for a team that does not have one yet?
Tests: Data-driven account management