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Salesforce Interview Question Bank

Salesforce's loop is bank-driven: a small set of coding prompts (LFU Cache, Flatten JSON, linked-list dedup, frontend curry + traffic light, OA HackerRank classics) and one signature system design (Coffee Ordering, with its SQL follow-ups) cover the bulk of recent rounds. Down-leveling at offer time is common — the HM screen and behavioural depth materially shape the final level, often more than coding correctness alone.

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System Design·45 min
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Coffee Ordering System Design

Salesforce's signature backend SD prompt: design an online coffee ordering / management service end-to-end. Interviewers compress the design into 30 minutes and then drill on SQL queries and edge cases ("customers who never ordered", "top spender last month"), so a clean ER model and explicit notification flow are weighted more than novel architecture.

SWE
system-design
coffee-ordering
schema-design
sql
+3
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