Dataford
Dataford
Top 18
Prep plan
Updated weekly · Last refresh Oct 15
A

Adastra Group Software Engineer Interview Questions

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

18questions
~3htotal time
Track your progressSign up free to work through all 18 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 9 questions · ~75 min
Core Principles of OOPEasy

Explain the four core OOP principles and how they improve software design and maintainability.

RecursionHash TablesArraysAAdastra Group
Core OOP PrinciplesMedium

Assesses your grasp of object-oriented fundamentals relevant to building maintainable services.

oopAAdastra Group
Binary and Hex ConversionsMedium

Evaluates your understanding of number systems and correctness in conversions.

AAdastra Group
Binary AdditionEasy

Tests your ability to reason about binary arithmetic and implement it correctly.

ProgrammingAAdastra Group
More Coding questions with a free account
2
Behavioral & Leadership6 questions · ~50 min
Difficult Situation and How You Overcame ItMedium

Evaluates your problem-solving and ownership when facing project challenges.

Conflict ResolutionexperienceAAdastra Group
More Behavioral & Leadership questions with a free account
3
More topics3 questions · ~25 min
SQL and Database OptimizationMedium

Evaluates your ability to write efficient SQL and improve database performance.

database optimizationdata managementsqlAAdastra Group
Java and Spring Boot FundamentalsMedium

Assesses your practical knowledge of Java and Spring Boot for building backend services.

javadependency injectionspring bootAAdastra Group
Fault Tolerance and ScalabilityHard

Tests your system design thinking for resilience and scaling under real-world conditions.

distributed systemsscalabilityfault toleranceAAdastra Group

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
SQL Window FunctionsMedium
Practice
Practice drill

Use LAG and LEAD to analyze Carvana vehicle detail page actions within completed web sessions.

Window FunctionssqlCarvanaAAdastra Group
Consecutive Login Days SQLHard
Practice
Practice drill

Find each user's longest consecutive login streak by deduplicating login dates and identifying gaps between days.

Date FunctionsData ManipulationProblem SolvingDidi ChuxingByteDance
Scenario-Based Business CaseHard
Practice
Practice drill

Aggregate project outcomes and present a defensible SQL-based business case analysis.

project experienceJoinsbusiness problemTikTok
The finish line: interview-readyComplete all 18 questions plus 3 hands-on drills to finish this plan.