Top 50 production systems Interview Questions
The most frequently asked production systems questions across all roles and companies, ranked by real interview frequency. Updated daily.
Design a production monitoring strategy that detects data, concept, prediction, and performance drift before it harms users.
Compare LangChain, LangGraph, and custom orchestration for reliable, observable, production-grade agent workflows.
AutodeskIIBM India
TuringCompare production LLM deployment architectures and explain trade-offs across latency, cost, quality, reliability, and operations.
CGI
Tiger Analytics
AccentureDesign a Google Sheets-like backend with concurrent editing, durable storage, snapshots, and scalable save/load paths.
SalesforceDesign a monitoring and retraining strategy for detecting model drift and safely updating high-volume production models.
EXL ServiceOOpella Healthcare Group
Hewlett Packard Enterprise | HPEDesign a production monitoring and retraining strategy for detecting model drift and preserving long-term prediction reliability.
Commonwealth Bank of Australia
Tenica and Associates
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Coordinate incident response when production systems fail, balancing rapid restoration, customer impact, communication, and safe recovery.
NBCUniversal
Citadel
WiproDebug a production failure safely using logs, Linux process and network commands, and security-aware evidence handling.
SpotifyIdentify syntax and logic errors in a PostgreSQL aggregation query using a left join, filters, and HAVING.
MercuryDebug and optimize a PostgreSQL aggregation over millions of invoice and line-item records.
IntuitNormalize expression strings by removing parentheses that directly enclose a single operand.
Chargebee