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Companies / Coinbase

Coinbase interview questions

Explore questions associated with Coinbase. Review the source details, then use the workspace for code, notes, and diagrams.

19 questions in the library. A source association does not guarantee a future interview question.

Behavioral and leadership · Coding · Machine learning · System design

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Coinbase interview questions | SysRound

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19 questions

Showing 1–19

System designMedium
Deliver Limit-Order Fill Notifications under Consumer Backpressure
Companies: Coinbase
System Design
Last reported Oct 2026
Open workspace
System designDifficulty not specified
Design a blob storage and ETL system on the moon
Design a blob storage and ETL job system deployed on the moon that can communicate with Earth-based networks. The system should handle data storage and…
Companies: Coinbase
Last reported Oct 2026
Open workspace
System designDifficulty not specified
Design a Crypto Exchange
Design a cryptocurrency exchange platform that allows users to buy, sell, and trade digital currencies with features like order matching, wallet management, and real-time…

Companies: Coinbase, Airbnb

Last reported Aug 2026

CodingDifficulty not specified

Maximize Transaction Fees Within Size Constraint

Given a list of transactions, each with an ID, fee, and size, implement a function that returns a subset of transactions that maximizes total fees…

Companies: Coinbase

Last reported Aug 2026

System designDifficulty not specified

Design Slack

Design a messaging platform like Slack that supports real-time messaging through direct messages and channels (public/private), message threads, new message indicators, and…

Companies: Coinbase, Databricks, OpenAI

Last reported Mar 2026

Behavioral and leadershipDifficulty not specified

Tell me about a time when you helped one of your team members develop their career.

Companies: Coinbase, Amazon, Confluent, Goldman Sachs +2

Last reported Nov 2025

Behavioral and leadershipDifficulty not specified

Tell me how you helped someone in your team to get better at some task

Companies: Coinbase, Google, Meta, Pinterest +1

Last reported Nov 2025

System designMedium

Design a stock trading platform

Design a simplified stock trading platform that supports limit orders for buying and selling stocks, with basic portfolio tracking capabilities at small scale (100 writes…

Companies: Coinbase, Block, Coupang, Databricks +7

System Design

Last reported Oct 2025

Behavioral and leadershipDifficulty not specified

Describe experience working on a complex project

Companies: Coinbase, Amazon, Arize Ai, Block +12

Last reported Oct 2025

System designHard

Design Dropbox or Google Drive

Large file transfers with small metadata transactions: resumable uploads, offline conflicts, reliable change feeds, and shared subtrees whose permissions change as files move.

Companies: Coinbase, Amazon, Apple, Autodesk +17

access-control · change-data-capture · conflict-resolution · data-versioning

Last reported Jul 2025

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CodingDifficulty not specifiedLeetCode 2043

Simple Bank System

Design a Bank class that maintains 1-indexed account balances and supports transfer, deposit, and withdraw operations; each operation must validate account indices and (for…

Companies: Coinbase, Capital One, Okta, OpenAI +1

Last reported Jun 2025

CodingDifficulty not specified

Design an in-memory database to handle transactions

Design an in-memory database system that can efficiently handle transactions. Consider aspects such as data storage, transaction management, and concurrency control.

Companies: Coinbase, Anchorage Digital, Lyft, Uber

Last reported Jun 2025

Behavioral and leadershipDifficulty not specified

Describe a time when you had to get alignment across the organization

Companies: Coinbase, Amazon, Atlassian, DoorDash +1

Last reported Apr 2025

Behavioral and leadershipDifficulty not specified

Give me an example of a time you proposed a novel approach to a problem.

Companies: Coinbase, Amazon, Capital One, Meta

Last reported Apr 2025

Machine learningHard

Build and evaluate a conversion prediction model

Companies: Coinbase

Feature Engineering · ML System Design

System designHard

Design a price alert system

Matching price streams against millions of thresholds: ordered evaluation, hot-instrument fanout, and reliable one-shot notifications.

Companies: Coinbase, Bloomberg, Meta, Swyftx +1

event-ordering · hot-keys · idempotency · notification-delivery

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System designHard

Design Facebook likes at scale

Hot-post counting: correct like/unlike state, replay-safe aggregation, burst capacity, and live updates to millions of viewers.

Companies: Coinbase, Amazon, Meta, Twitter

eventual-consistency · hot-keys · idempotency · real-time-fanout

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Machine learningHard

Explain precision/recall and compute NN output

Companies: Coinbase

ML Fundamentals · Model Evaluation

Machine learningHard

How to Analyze and Model Behavioral Data Effectively?

Companies: Coinbase

Model Evaluation · Supervised Learning