Company interview vault

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

#2461

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

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

Medium Read answer →

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

#2462

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

Reported in Zoom USA engineering loops. API design question covering resources, HTTP semantics, and versioning.

Medium Read answer →

Zoom Mid-level (3–5 years) Behavioral

#2463

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

Reported in Zoom USA engineering loops. Behavioral STAR question assessing collaboration and conflict resolution.

Medium Read answer →

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

#2464

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

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

Medium Read answer →

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

#2465

Design a URL shortening service — Zoom interview

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

Medium Read answer →

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

#2466

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

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

Hard Read answer →

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

#2467

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

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

Hard Read answer →

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

#2468

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

Reported in Zoom USA engineering loops. Hash map plus doubly linked list problem bridging DSA and system components.

Hard Read answer →

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

#2469

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

Reported in Zoom USA engineering loops. Introductory dynamic programming problem isomorphic to Fibonacci.

Medium Read answer →

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

#2470

Explain the CAP theorem and what it means for distributed systems — Twilio interview

Reported in Twilio USA engineering loops. Classic system design question asked at US big-tech and fintech on-site loops.

Medium Read answer →

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

#2471

How do you perform topological sort on a directed acyclic graph? — Twilio interview

Reported in Twilio USA engineering loops. Graph algorithm for task scheduling, build systems, and course prerequisites.

Medium Read answer →

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

#2472

What is dependency injection and why is it useful? — Twilio interview

Reported in Twilio USA engineering loops. Java/Spring staple connecting OOP design to testable service architecture.

Medium Read answer →

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

#2473

How do you version a public API without breaking clients? — Twilio interview

Reported in Twilio USA engineering loops. API evolution question covering compatibility, deprecation, and communication.

Medium Read answer →

Twilio Mid-level (3–5 years) Behavioral

#2474

Tell me about a project that failed or missed its deadline. What did you learn? — Twilio interview

Reported in Twilio USA engineering loops. Behavioral question testing accountability, retrospectives, and growth.

Medium Read answer →

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

#2475

Compare ACID and BASE consistency models in databases — Twilio interview

Reported in Twilio USA engineering loops. Distributed data question bridging SQL transactions and NoSQL eventual consistency.

Medium Read answer →