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Updated weekly · Last refresh Oct 17

Fundbox Software Engineer Interview Questions

The questions to prepare for a Fundbox Software Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 8 questions · ~82 min
Two Sum and Array AlgorithmsEasy
Practice

Find the lexicographically smallest pair of payment amounts reaching a target using a hash map in O(n) time.

system designleetcodeAlgorithmsFundbox
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysFundbox
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2
Execution6 questions · ~61 min
CI Service ComponentsMedium

Tests understanding of CI pipeline architecture and key components.

CI/CDFundbox
Teamwork on a Zoom DeploymentMedium

Evaluates execution skills and experience with deployment or tooling workflows.

ToolsdeploymentFundbox
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3
Behavioral & Leadership8 questions · ~82 min
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4
More topics4 questions · ~41 min
Design a Payment Authorization RankerHard

Design an ML based payment optimization system that scores and routes transactions to improve authorization, cost, and fraud outcomes.

Feature StoreModel ServingRecommendation SystemsFundbox
Consistency Across Service PipelinesMedium

Approach for keeping pipeline outputs consistent when multiple microservices publish overlapping, delayed, or duplicate data.

system designdata consistencymicroservicesFundbox
Explain RESTful APIsEasy

Tests your understanding of API design principles and how REST works.

CommunicationOwnershipFundbox
State Management in ReactHard

Explain how to choose React state ownership, synchronization, and update patterns while avoiding unnecessary re-renders.

challengesclient-sidereactFundbox

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