BM VOGE

Focused on Virtual Onsite (VO) and OA interviews at North American tech companies. Real interview recaps updated daily — algorithms, system design and behavioral — broken down question by question.

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real interview notes: 41; real interview notes
companies: 11; companies
VO recaps: 33; VO recaps
OA recaps: 9; OA recaps

Why read here.Not just the questions — the thinking behind them.

Real interviews

Every post comes from a real OA or VO, organized by company, topic and round.

Approach + code

Most algorithm questions include the reasoning and runnable, tested Python reference code.

Clarify & follow-ups

The clarifying questions and follow-ups interviewers actually ask — not just memorized answers.

Always updated

New recaps added regularly. Filter by company or topic to find exactly what you're preparing for.

Browse by topic and company.Jump straight to the interview you're preparing for.

Topics

OA9 VO33 Algorithms37 System Design8 Behavioral19

Companies

Amazon11 DoorDash1 Google11 Microsoft2 Stripe2 TikTok8 Apple1 Meta2

Two Sigma1 Anthropic1 Walmart

Walmart1

Latest notes.Every round, carefully reviewed.

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Amazon2026-10-04

Amazon New Grad Four-Round VO: What Changed This Year + Three Business-Scenario Coding Questions + Bar Raiser Deep Dive

Amazon new grad four-round VO recap: this year's shift to team-based hiring, four rounds, a stronger Bar Raiser and AI questions; three business-framed coding problems — Promotion Eligibility, Vendor Contract Registry, Return Requests — with reference implementations, and key behavioral deep-dive points.

VONew GradBehavioralAlgorithmsHash MapOODHeapRead more ›

DoorDash2026-10-04

DoorDash's Most Frequent System Design Question: Review & Reward System (Vote Aggregation + Rewards Triggered Exactly Once)

Breaking down DoorDash's frequent system design question: a food-delivery review and reward system — caching for read-heavy reviews, vote deduplication with async aggregation (Kafka + materialized views), exactly-once reward jobs (at-least-once delivery + an idempotent state machine), and failure handling.

VOSystem DesignDistributed SystemsCachingMessage QueueIdempotencyRead more ›

Google2026-10-04

Google 2027 SWE Intern VO, Fresh Recap: HashMap + Sliding Window and Graph BFS

Google 2027 SWE Intern VO recap, two technical rounds: round one was HashMap + sliding window, optimized from brute force to O(n); round two was graph BFS with follow-ups on huge graphs, cycles, returning the path and saving space, plus a recommended answer flow.

VOInternAlgorithmsHash MapSliding WindowGraphsBFSRead more ›