AI Engineering Interview Questions — Practice Library | Velocode

This week's hardest·Reported at MetaNext Word Prediction System Architecture Design→

200+ problems

Problem

Tags

Type

Users with session count growth for three consecutive months

Reported at AirbnbData EngineeringMedium

RAG Chatbot Fails to Answer Despite Successfully Retrieving Relevant Documents

Reported at GoogleSWE (AI-Era)Easy

Code Comprehension

Advanced dbt — Diagnosing Three Production Incidents

Data EngineeringMedium

Building Customer Support Agent Evaluation Harness: Metrics Design and Contamination Prevention

Reported at AnthropicAI EngineeringMedium

Streaming Clickstream Lakehouse: Storage, Compaction, Queries, Schema Evolution

Reported at DatabricksData EngineeringHard

Agent infinite loops on tool due to missing success detection logic

SWE (AI-Era)Medium

Code Comprehension

Silent Data Drift: Detecting Feature Distribution Changes Without Model Updates

Reported at DatabricksSWE (AI-Era)Medium

Code Comprehension

Red-team harness for automated prompt-injection bypass discovery

Reported at OpenAIAI SecurityHard

Apache Airflow — Designing a Daily Pipeline with External Dependencies

Data EngineeringMedium

Silent data drift detection in production ML pipeline accuracy collapse

Reported at DatabricksSWE (AI-Era)Medium

Code Comprehension

RAG Evaluation Pipeline Failing to Filter Low Quality Responses

Reported at GoogleSWE (AI-Era)Hard

Code Comprehension

Privacy in ML — GDPR Erasure Requests for a Healthcare Model

AI SecurityHard

LLM Pipeline PII Redaction Architecture Design and Compliance Strategy

Reported at JP Morgan ChaseAI SecurityMedium

LLM retry logic causes infinite loops on malformed API responses

Reported at MetaSWE (AI-Era)Easy

Code Comprehension

LLM Quality Scoring System Returns Perfect Scores for All Outputs

SWE (AI-Era)Medium

Code Comprehension

Automated Citation Fabrication Detection and Remediation Pipeline Architecture

Reported at PerplexityAI EngineeringMedium

Improve Low Embedding Accuracy Through Fine-tuning and Domain Adaptation

Reported at OpenAIAI EngineeringMedium

Stateless Chatbot Losing Conversation History Between Turns

SWE (AI-Era)Easy

Code Comprehension

Schema evolution resilience: versioning, compatibility layers, registry patterns

Reported at GoogleData EngineeringHard

Product Daily Revenue Rolling 30-Day Percentile Rank Calculation

Reported at AmazonData EngineeringMedium

LLM Summarizer Producing Hallucinated Content At High Failure Rate

SWE (AI-Era)Medium

Code Comprehension

Embedding Model Version Mismatch Between Development Production Environments

Reported at OpenAISWE (AI-Era)Easy

Code Comprehension

Delta Lake Time Travel: Querying Historical Table Versions

Reported at DatabricksData EngineeringHard

Model Serving — Batch vs Real-Time Architecture Decision

ML EngineeringMedium

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