Company interview vault

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

#4981

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

Reported in Shopify interview loops. Testing strategy question covering pyramid, mocks, and confidence vs speed.

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

#4982

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

Reported in Shopify interview loops. DevOps fundamentals for mid-level engineers discussing automation and quality gates.

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

#4983

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

Reported in Shopify interview loops. Architecture trade-off question for mid-level backend and platform roles.

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

#4984

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

Reported in Shopify interview loops. API design question covering resources, HTTP semantics, and versioning.

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Shopify Mid-level (3–5 years) Behavioral

#4985

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

Reported in Shopify interview loops. Behavioral STAR question assessing collaboration and conflict resolution.

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

#4986

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

Reported in Shopify interview loops. System design testing token bucket, sliding window, and Redis coordination.

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

#4987

Design a URL shortening service — Shopify interview

Reported in Shopify interview loops. Foundational system design covering APIs, encoding, storage, and read-heavy scaling.

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

#4988

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

Reported in Shopify interview loops. Graph algorithm for non-negative edge weights using priority queue.

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

#4989

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

Reported in Shopify interview loops. Classic DP testing tabulation, space optimization, and item selection reconstruction.

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

#4990

Design and implement an LRU cache with O(1) get and put — Shopify interview

Reported in Shopify interview loops. Hash map plus doubly linked list problem bridging DSA and system components.

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

#4991

How many distinct ways can you climb n stairs taking 1 or 2 steps at a time? — Shopify interview

Reported in Shopify interview loops. Introductory dynamic programming problem isomorphic to Fibonacci.

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

#4992

Design a URL shortener like goo.gl — what components do you discuss?

Classic L4 system design: APIs, storage, redirects, and scale.

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

#4993

Given a binary tree, place cameras to monitor all nodes — how do you approach it?

Tree DP pattern frequently reported in Amazon SDE-2 coding rounds.

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Amazon Mid-level (3–5 years) Behavioral

#4994

Explain Amazon’s “Dive Deep” leadership principle with an example

How to answer LP questions with metrics, root-cause analysis, and ownership.

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