Credits

Open-source sources

Some scenario topics and company attributions were researched from these openly licensed repositories. Scenario text, rubrics and follow-up questions are written by SystemDrill; each repository remains under its own license.

• ombharatiya/AI-Engineer-Interview-QuestionsMIT

  Used for: Repo-Aware AI Coding Assistant and Agent (8k engineers) · E-commerce Support Agent with Refund Actions (2M chats/month) · Invoice and Contract Extraction Pipeline (400k Docs/Day) · Enterprise Knowledge Assistant with Source-System ACLs (8M docs) · Tiered AI Content Moderation (15M items/day) · Real-Time Voice Support Agent with Barge-In (5k concurrent calls) · Text-to-SQL Analytics Agent over a 12k-Table Warehouse

• pallavi-shekhar/ai-engineering-interview-questions-company-wiseApache-2.0

  Used for: Repo-Aware AI Coding Assistant and Agent (8k engineers) · Consumer Chat Assistant at 100M Weekly Users · E-commerce Support Agent with Refund Actions (2M chats/month) · Invoice and Contract Extraction Pipeline (400k Docs/Day) · Enterprise Knowledge Assistant with Source-System ACLs (8M docs) · Tiered AI Content Moderation (15M items/day) · Streaming Guardrails Service for a Consumer Assistant (60k RPS) · Multi-Tenant Business Chatbot Platform (20k Tenants, 15k Concurrent Chats) · Multimodal Search over Images, Video and Text (540M Assets) · Real-Time Short-Video Recommendations (200M DAU, 150ms) · Real-Time Voice Support Agent with Barge-In (5k concurrent calls) · RLHF Post-Training Pipeline (70B Policy, 1M Preference Pairs/Quarter) · Text-to-SQL Analytics Agent over a 12k-Table Warehouse

• landedjobs/ai-interview-questionsMIT

  Used for: Repo-Aware AI Coding Assistant and Agent (8k engineers) · Long-Term Memory for a Personal AI Assistant (20M users) · Consumer Chat Assistant at 100M Weekly Users · E-commerce Support Agent with Refund Actions (2M chats/month) · Deep Research Agent with Parallel Subagents (50k reports/day) · Enterprise Knowledge Assistant with Source-System ACLs (8M docs) · Fault-Tolerant LLM Pretraining on 4,096 GPUs · Tiered AI Content Moderation (15M items/day) · LLM Evaluation Platform Gating 20 Changes a Week · Multi-Tenant Business Chatbot Platform (20k Tenants, 15k Concurrent Chats) · Multi-Tenant Fine-Tuning Platform (10k Concurrent LoRA Jobs) · Multimodal Search over Images, Video and Text (540M Assets) · On-Device Phone Assistant with Cloud Escalation (500M Devices) · Real-Time Short-Video Recommendations (200M DAU, 150ms) · RLHF Post-Training Pipeline (70B Policy, 1M Preference Pairs/Quarter) · Eval-Gated Model Rollout with Shadow Traffic (Weekly Releases, 30M DAU)

• JustInCache/awesome-ai-interviewsApache-2.0

  Used for: E-commerce Support Agent with Refund Actions (2M chats/month) · Tiered AI Content Moderation (15M items/day) · Real-Time Short-Video Recommendations (200M DAU, 150ms)