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Stonex Group Software Engineer Interview Questions

The questions to prepare for a Stonex Group Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
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1
CodingStart here. 19 questions · ~161 min
String Manipulation CodingEasy
Practice

Reverse the characters in each word while preserving word order using string splitting and joining.

coding challengestring manipulationStonex Group
Binary Search on Sorted ArraysEasy
Recently asked

Explain how binary search works on a sorted array and why its time complexity is O(log n).

time complexityArraysSearchingStonex Group
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2
SQL & Data Manipulation9 questions + 3 drills · ~106 min
Understanding ACID Properties in DatabasesMedium
Recently asked

Explain the ACID properties of database transactions and their importance.

Stonex Group
SQL Queries for RankingMedium
Practice
Practice drill

Rank active HSBC employees by division and return every employee tied for the highest or second-highest salary.

javasqlHsbc
SQL Bookstore Schema PracticeEasy
Practice
Practice drill

Use a CTE, joins, and distinct aggregates to calculate Meta Logistics bookstore payment metrics.

sql queriessqlpythonMeta Logistics
Weekly Service KPI by TeamMedium
Practice
Practice drill

Analyze weekly service delivery performance by team using joins, a CTE, date aggregation, and KPI calculations.

KPIJoinssqlDeloitteReputation
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3
Security & Infrastructure5 questions · ~42 min
Choose TCP or UDPEasy
Recently asked

Networking question on TCP vs UDP trade-offs and protocol selection under latency, reliability, and packet-loss constraints.

Networkingtransport layerprotocolsStonex Group
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4
System Design5 questions · ~42 min
Payments Systems and Event-Driven ArchitectureMedium

Assesses payments domain knowledge and ability to reason about event-driven design.

Stonex Group
API Design Best PracticesMedium

Assesses your approach to designing maintainable, consistent APIs.

best practicesapi designStonex Group
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5
Execution4 questions · ~34 min
Waterfall vs Modern SDLCMedium

Evaluates your understanding of SDLC models and tradeoffs in software delivery.

waterfallsdlcStonex Group
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6
Behavioral & Leadership7 questions · ~59 min
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7
More topics1 question · ~8 min
URL Health Check PipelineMedium

Evaluates your approach to building a reliable URL-checking pipeline and reporting.

reportingStonex Group
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.