Maincode Interview Questions
The questions to prepare for Maincode interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Design an LLM serving system that balances latency, cost, scalability, and safety for production traffic.
Design state management for a multi-agent application where agents coordinate over long-running tasks, tool calls, and handoffs.
Assesses your production debugging process and ability to restore service safely.
Assesses end-to-end data pipeline skills and ability to ensure dataset quality.
Tests technical ownership and communication through a concrete architecture decision, with emphasis on trade-offs, judgment, and lessons learned.
Explain common machine learning evaluation metrics and when each is useful.
Tests ability to reduce LLM cost and latency while maintaining quality at scale.
Assesses understanding of embedding quality, cost, and retrieval behavior.
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