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.

220 questions match your filters.

BehaviouralSeniorData Analyst
How would you move a team that constantly sends you ad hoc data requests toward answering more of their own questions?
Tests: Stakeholder management
BehaviouralAny levelData Analyst
Tell me about a time someone questioned your numbers. How did you respond?
Tests: Stakeholder management
BehaviouralMid levelMachine Learning Engineer
Tell me about a time a model's performance dropped in production. How did you notice and what did you do?
Tests: Model monitoring & reliability
BehaviouralMid levelMachine Learning Engineer
Tell me about a time you disagreed with a data scientist or product manager about whether a model was ready to ship.
Tests: Cross-functional collaboration
BehaviouralSeniorMachine Learning Engineer
Tell me about a time you chose not to use machine learning, or chose a much simpler model, and why.
Tests: Pragmatism & ownership
BehaviouralSeniorAI Engineer
Tell me about a time you had to tell a stakeholder that an AI feature wasn't reliable enough to launch. How did you handle it?
Tests: Product & user focus
BehaviouralAny levelAI Engineer
Models and tools in this field change every few months. How do you decide which new things are worth adopting?
Tests: Learning agility
BehaviouralMid levelAutomation Engineer
Tell me about a time the people doing a process described it differently from how it actually worked. How did you find out?
Tests: Stakeholder collaboration
BehaviouralSeniorAutomation Engineer
Tell me about an automation that didn't deliver the savings that were expected. What did you learn and what did you change?
Tests: Ownership & continuous improvement
BehaviouralEntry levelBusiness Intelligence Developer
A manager asks for a dashboard showing sales performance. What questions would you ask before building anything?
Tests: Requirements gathering
BehaviouralSeniorBusiness Intelligence Developer
Tell me about a time stakeholders kept changing what they wanted mid-project. How did you keep it on track?
Tests: Requirements gathering
BehaviouralAny levelBusiness Intelligence Developer
Before you publish a new report, how do you make sure the numbers are right?
Tests: Attention to detail
BehaviouralAny levelBusiness Intelligence Developer
Tell me about a time you caught an error in data or a report before anyone else noticed.
Tests: Attention to detail
BehaviouralEntry levelIT Support Specialist
A frustrated user calls saying they've lost an hour of work and need help right now. How do you handle the start of that call?
Tests: Customer service & communication
BehaviouralMid levelIT Support Specialist
Tell me about a time you had lots of tickets at once, including one from a senior manager. How did you decide the order?
Tests: Prioritisation under pressure
BehaviouralSeniorIT Support Specialist
How would you explain to a non-technical manager that a request they made can't be done their way for security reasons?
Tests: Customer service & communication
BehaviouralMid levelSoftware Engineer
Tell me about a time you made slow code noticeably faster. How did you find the bottleneck and what did you change?
Tests: Coding fundamentals & data structures
BehaviouralAny levelSoftware Engineer
Tell me about a time you had to explain a technical problem or trade-off to someone non-technical. How did you make it land?
Tests: Communication
BehaviouralAny levelSoftware Engineer
Tell me about a time something you shipped broke in production. What did you do in the moment and afterwards?
Tests: Ownership
BehaviouralAny levelFrontend Engineer
Tell me about a time a design you were given was hard to build or didn't work well in practice. How did you handle it with the designer?
Tests: Collaboration with design & product