Dataford
Dataford
Top 20
Prep plan
Updated weekly · Last refresh Oct 18

AlEn Software Engineer Interview Questions

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

20questions
~4htotal time
Track your progressSign up free to work through all 20 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 6 questions · ~65 min
Two Sum ProblemEasy
Practice

Find two indices in an array whose values add up to a target using a hash map.

Hash TablesArraysTwo PointersAlEn
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysAlEn
Object-Oriented vs Functional ProgrammingEasy

Compare object-oriented and functional programming in terms of state, abstraction, side effects, and design tradeoffs.

LanguagestechnicalProgrammingAlEn
More Coding questions with a free account
2
Execution6 questions · ~65 min
Motivation for High-Quality WorkEasy

Tests your drive, ownership, and quality standards in a research analyst role.

Success CriteriaRisk AssessmentScope ManagementAlEn
Debugging a Failing ApplicationMedium

Tests systematic debugging, hypothesis testing, and effective use of logs and metrics.

Rollback PlanTrade-offsRisk AssessmentAlEn
RESTful API Design PrinciplesMedium

Tests understanding of REST conventions, resource modeling, and API consistency.

Trade-offsSuccess CriteriaScope ManagementAlEn
More Execution questions with a free account

Sign up to see every question

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

Get my prep plan
3
Behavioral & Leadership7 questions · ~75 min
Owning a High-Stakes Production BugEasy

Tests ownership in debugging, structured root-cause analysis, and clear communication during a production issue.

CommunicationOwnershipAlEn
More Behavioral & Leadership questions with a free account
4
More topics1 question · ~11 min
Optimizing Slow SQL QueriesMedium

Tests SQL performance tuning and practical troubleshooting for slow queries.

SubqueriesJoinsAggregationsAlEn
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Detect Consecutive Losing StreaksMedium
Practice
Practice drill

Identify bet365 users with consecutive losing bets above a risk threshold using ordered streak grouping.

abuse trackingData Manipulationsql querybet365
Database Indexing Trade-OffsHard
Practice
Practice drill

Analyze a food-order total query and explain index trade-offs for filtering, joins, aggregation, and write overhead.

Trade-offsdatabase optimizationJoinsHelloFresh
Optimize Slow SQL QueriesMedium
Practice
Practice drill

Demonstrate a PostgreSQL approach for optimizing a filtered aggregation query over related tables.

Subqueriesdatabase optimizationJoinsBoeing Intelligence & AnalyticsRRM Design & EngineeringWaymo
The finish line: interview-readyComplete all 20 questions plus 3 hands-on drills to finish this plan.