Spotify prep

Spotify Mid-level (3–5 years) Coding / DSA

#31

Solve the 0/1 knapsack problem with dynamic programming — Spotify interview

Reported in Spotify European engineering loops. Classic DP testing tabulation, space optimization, and item selection reconstruction.

Hard Read answer →

Spotify Mid-level (3–5 years) Coding / DSA

#32

Explain and implement Dijkstra's algorithm for shortest paths — Spotify interview

Reported in Spotify European engineering loops. Graph algorithm for non-negative edge weights using priority queue.

Hard Read answer →

Spotify Mid-level (3–5 years) System design

#33

Design a URL shortening service — Spotify interview

Reported in Spotify European engineering loops. Foundational system design covering APIs, encoding, storage, and read-heavy scaling.

Medium Read answer →

Spotify Mid-level (3–5 years) System design

#34

Design a distributed rate limiter for an API gateway — Spotify interview

Reported in Spotify European engineering loops. System design testing token bucket, sliding window, and Redis coordination.

Medium Read answer →

Spotify Mid-level (3–5 years) Behavioral

#35

Tell me about a time you disagreed with a teammate. How did you handle it? — Spotify interview

Reported in Spotify European engineering loops. Behavioral STAR question assessing collaboration and conflict resolution.

Medium Read answer →

Spotify Mid-level (3–5 years) Technical deep dive

#36

What principles do you follow when designing RESTful APIs? — Spotify interview

Reported in Spotify European engineering loops. API design question covering resources, HTTP semantics, and versioning.

Medium Read answer →

Spotify Mid-level (3–5 years) Technical deep dive

#37

When would you choose microservices over a monolith? — Spotify interview

Reported in Spotify European engineering loops. Architecture trade-off question for mid-level backend and platform roles.

Medium Read answer →

Spotify Mid-level (3–5 years) Technical deep dive

#38

Explain CI/CD and what a typical pipeline includes — Spotify interview

Reported in Spotify European engineering loops. DevOps fundamentals for mid-level engineers discussing automation and quality gates.

Medium Read answer →

Spotify Mid-level (3–5 years) Technical deep dive

#39

What is the difference between unit and integration tests? — Spotify interview

Reported in Spotify European engineering loops. Testing strategy question covering pyramid, mocks, and confidence vs speed.

Easy Read answer →

Spotify Mid-level (3–5 years) Technical deep dive

#40

How does HashMap work internally in Java? — Spotify interview

Reported in Spotify European engineering loops. Java-specific collections question on buckets, hashing, and resize behavior.

Medium Read answer →

Spotify Mid-level (3–5 years) Technical deep dive

#41

Explain the JavaScript event loop, call stack, and task queues — Spotify interview

Reported in Spotify European engineering loops. Core JavaScript concurrency model question for frontend and Node.js roles.

Medium Read answer →