Databricks Interview Questions

Databricks Interview Questions

Candidates have reported 159 Databricks interview questions to PracHub, split almost evenly between the two technical stages: 64 come from technical screens and 58 from onsites, with the rest from HR screens and online assessments. Software Engineer dominates at 106 questions, followed by Data Scientist at 13 and Machine Learning Engineer at 8. Coding and Algorithms is the largest category at 60, then System Design at 31, Software Engineering Fundamentals at 14, and Behavioral and Leadership at 10. The difficulty mix leans medium with 78 questions, against 50 rated hard and only 4 easy. Seniority tagging is broad: 30 questions are marked Senior+, with New Grad and Intern entries too. The recurring shape is a data-platform engineer's day job. Candidates report building a constant-time snapshot set iterator, implementing a concurrent buffered file logger, adding sliding-window get and put activity metrics to a key-value store, designing a durable concurrent event writer, and reasoning through chat deletion semantics under concurrent sends. Plain algorithm work shows up too, such as finding the first anagram window in a string. There were 24 added in the last 90 days. Alongside the questions sit 22 first-hand interview experiences, including a hiring-committee rejection after strong-hire feedback and a screen stalled on headcount, plus a Software Engineer interview guide.

159 Questions 1 Company09.15.2026
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Frequently Asked Questions

Which rounds do Databricks interview questions come from?
Reported questions split almost evenly across the two technical stages, 64 from technical screens and 58 from onsites, with 7 from HR screens and 3 from online assessments. System design is not held back for the onsite: designing chat deletion semantics under concurrent sends is reported from a technical screen. The onsite is where the key-value store and durability problems land, including a durable concurrent event writer and a key-value store with hit counting.
How difficult are Databricks interview questions?
Mostly medium with a substantial hard tail: 78 questions are tagged medium, 50 hard, and only 4 easy. The hard end concentrates on concurrency and durability, including a constant-time snapshot set iterator, a durable concurrent event writer, and a key-value store with hit counting. Medium questions look more familiar, such as finding the first anagram window in a string or detecting a K-in-a-row win on a rectangular board.
Which roles and categories dominate the Databricks question set?
Software Engineer, by a wide margin, with 106 of the reported questions. Data Scientist follows at 13 and Machine Learning Engineer at 8, with a scattering from Backend, Frontend, and Data Engineer processes. Coding and Algorithms is the largest category at 60, then System Design at 31, Software Engineering Fundamentals at 14, and Behavioral and Leadership at 10. Statistics and Math and Machine Learning cover what is left.
What do Databricks system design questions ask about?
Reported prompts stay close to storage and messaging rather than abstract scale puzzles. Candidates describe designing chat APIs, storage, and core message flows, working out chat deletion semantics under concurrent sends, building a durable concurrent event writer, and designing a music playlist service and an online book seller platform. Snapshot set iteration with durable writes appears as a fundamentals question. Twenty-two first-hand interview experiences are published alongside the questions.

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Real Databricks interview experiences

First-hand reports from Databricks candidates — the rounds, the questions they were asked, and how it went.

All 23 Databricks interview experiences