prompt stringlengths 36 69 | completion stringlengths 72 123 |
|---|---|
How would you design a URL shortener like bit.ly? | Type: System Design
Steps: Clarify scale → High-level components → Deep dive → Bottlenecks → Tradeoffs |
Design a rate limiter for a public API. | Type: System Design
Steps: Clarify scale → High-level components → Deep dive → Bottlenecks → Tradeoffs |
How would you architect a notification system for a banking app? | Type: System Design
Steps: Clarify scale → High-level components → Deep dive → Bottlenecks → Tradeoffs |
Design a distributed cache like Redis. | Type: System Design
Steps: Clarify scale → High-level components → Deep dive → Bottlenecks → Tradeoffs |
How would you build a real-time leaderboard for a gaming platform? | Type: System Design
Steps: Clarify scale → High-level components → Deep dive → Bottlenecks → Tradeoffs |
Design a search autocomplete system. | Type: System Design
Steps: Clarify scale → High-level components → Deep dive → Bottlenecks → Tradeoffs |
How would you design a ride-sharing service like Uber? | Type: System Design
Steps: Clarify scale → High-level components → Deep dive → Bottlenecks → Tradeoffs |
How would you design Spotify for rural areas with poor connectivity? | Type: Product Design
Steps: Clarify scope → Identify users → Map pain points → Propose solution → Define metrics |
How would you improve the onboarding experience for a fintech app? | Type: Product Design
Steps: Clarify scope → Identify users → Map pain points → Propose solution → Define metrics |
Design a feature to help elderly users navigate a mobile banking app. | Type: Product Design
Steps: Clarify scope → Identify users → Map pain points → Propose solution → Define metrics |
How would you design YouTube for blind users? | Type: Product Design
Steps: Clarify scope → Identify users → Map pain points → Propose solution → Define metrics |
How would you redesign the checkout flow for an e-commerce app? | Type: Product Design
Steps: Clarify scope → Identify users → Map pain points → Propose solution → Define metrics |
Design a feature to reduce churn in a subscription app. | Type: Product Design
Steps: Clarify scope → Identify users → Map pain points → Propose solution → Define metrics |
How would you design Airbnb for pets? | Type: Product Design
Steps: Clarify scope → Identify users → Map pain points → Propose solution → Define metrics |
How would you handle class imbalance in a fraud detection model? | Type: Data Science
Steps: Check base rate → Choose right metric → Handle imbalance → Tune threshold → Evaluate |
How would you detect anomalies in a time series dataset? | Type: Data Science
Steps: Define anomaly → Explore data → Choose method → Evaluate → Production concerns |
Walk me through building a churn prediction model. | Type: Data Science
Steps: Define churn → Feature engineering → Baseline model → Iterate → Deploy |
How would you evaluate a recommender system? | Type: Data Science
Steps: Define metric → Offline eval → A/B test → Business impact → Monitor |
How would you approach a dataset with 40% missing values? | Type: Data Science
Steps: Understand missingness → Explore patterns → Imputation strategy → Validate → Document |
How would you build a model to predict customer lifetime value? | Type: Data Science
Steps: Define CLV → Feature engineering → Baseline model → Iterate → Deploy |
How would you select features for a high-dimensional dataset? | Type: Data Science
Steps: Understand data → Correlation analysis → Feature importance → Dimensionality reduction → Validate |
How would you build a RAG pipeline for a customer support chatbot? | Type: AI Engineering
Steps: Define retrieval scope → Chunking strategy → Embedding model → Retrieval + rerank → Evaluate |
How would you reduce hallucinations in an LLM-based application? | Type: AI Engineering
Steps: Identify sources → Grounding strategy → Prompt engineering → Evaluation → Monitoring |
How would you fine-tune an LLM for a specific domain? | Type: AI Engineering
Steps: Define task → Curate data → Choose method → Train → Evaluate → Deploy |
How would you evaluate the quality of a RAG system? | Type: AI Engineering
Steps: Define metrics → Retrieval eval → Generation eval → End-to-end eval → Monitor drift |
How would you deploy an LLM with sub-100ms latency requirements? | Type: AI Engineering
Steps: Clarify latency budget → Quantisation → Runtime choice → Caching → Load test |
How would you implement guardrails for an LLM in production? | Type: AI Engineering
Steps: Define risks → Input filtering → Output validation → Monitoring → Escalation |
How would you handle prompt injection attacks in an LLM app? | Type: AI Engineering
Steps: Define threat model → Input sanitisation → Prompt hardening → Detection → Response |
Tell me about a time you disagreed with your manager. | Type: Behavioural
Steps: Situation → Task → Action → Result → Reflection |
Give me an example of when you had to deliver under a tight deadline. | Type: Behavioural
Steps: Situation → Task → Action → Result → Reflection |
Describe a time you failed and what you learned from it. | Type: Behavioural
Steps: Situation → Task → Action → Result → Reflection |
Tell me about a time you had to influence without authority. | Type: Behavioural
Steps: Situation → Task → Action → Result → Reflection |
Give an example of a time you handled ambiguity well. | Type: Behavioural
Steps: Situation → Task → Action → Result → Reflection |
Tell me about a time you took ownership of a failing project. | Type: Behavioural
Steps: Situation → Task → Action → Result → Reflection |
Describe a situation where you had to learn something quickly. | Type: Behavioural
Steps: Situation → Task → Action → Result → Reflection |
How many piano tuners are there in London? | Type: Estimation
Steps: Clarify → Decompose → Anchor number → Calculate → Sanity check |
How many WhatsApp messages are sent per day globally? | Type: Estimation
Steps: Clarify → Decompose → Anchor number → Calculate → Sanity check |
Estimate the storage required for all photos on Instagram. | Type: Estimation
Steps: Clarify → Decompose → Anchor number → Calculate → Sanity check |
How many Ubers are active in London at 9am on a Monday? | Type: Estimation
Steps: Clarify → Decompose → Anchor number → Calculate → Sanity check |
How much revenue does a McDonald's in central London make per year? | Type: Estimation
Steps: Clarify → Decompose → Anchor number → Calculate → Sanity check |
How many golf balls fit in a Boeing 747? | Type: Estimation
Steps: Clarify → Decompose → Anchor number → Calculate → Sanity check |
Estimate the number of software developers in the world. | Type: Estimation
Steps: Clarify → Decompose → Anchor number → Calculate → Sanity check |
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