Dataford
Top 34
Prep plan
Updated weekly · Last refresh Aug 30

eToro Software Engineer Interview Questions

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

34questions
~5htotal time
Track your progressSign up free to work through all 34 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 13 questions · ~113 min
Two Sum Pair ExistsEasy
Practice

Determine whether two eToro watchlist values sum to a target using a hash set in O(n) time.

Two PointerseToro
Software Design PatternsMedium

Tests your breadth of engineering practices and ability to apply design patterns appropriately.

Hash TablesArraysStringseToro
More Coding questions with a free account
2
Execution8 questions · ~69 min
Microservices Design PatternsHard

Tests your knowledge of microservices patterns and when to use them in real systems.

Trade-offsRoadmappingScope ManagementeToro
Scalability for 1000 UsersMedium

Tests your capacity planning and scalability strategy for concurrent users in fintech.

Trade-offsSuccess CriteriaRisk AssessmenteToro
More Execution questions with a free account
3
System Design3 questions · ~26 min
Fault Tolerance and ScalabilityHard

Evaluates your approach to building resilient, scalable systems under failure.

scalabilityfault toleranceeToro
More System Design questions with a free account
4
Behavioral & Leadership7 questions · ~61 min
More Behavioral & Leadership questions with a free account
5
More topics3 questions · ~26 min
Understanding Database Indexing PurposeMedium

Explain the purpose of using indexes in databases and their impact on query performance.

eToro
TCP UDP and Linux BasicsMedium

Tests practical understanding of networking fundamentals relevant to production systems.

NetworkinglinuxeToro
Relational SQL FundamentalsMedium

Tests your SQL and relational database fundamentals for designing reliable data access.

JoinsData WranglingAggregationseToro

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Weekly Signup Cohort RetentionHard
Practice
Practice drill

Calculate weekly retention by signup cohort using CTEs, joins, date truncation, and distinct user counts.

Window FunctionsDate FunctionsAggregationsBrexPostmaneToro
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
Monthly Campaign Performance SummaryEasy
Practice
Practice drill

Aggregate January 2024 campaign data by channel using GROUP BY, filtering, and ordering by total clicks.

JoinsData WranglingAggregationsDNVEversanaDiscord
The finish line: interview-readyComplete all 34 questions plus 3 hands-on drills to finish this plan.