Top 14
Prep plan
Updated weekly · Last refresh Oct 17

Ing Deutschland Software Engineer Interview Questions

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

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1
Software ArchitectureStart here. 4 questions · ~32 min
OAuth2 and JWT for MicroservicesMedium

Tests ability to design secure authN/authZ for microservices using OAuth2/JWT patterns.

APIsSecuritymicroservicesIng Deutschland
Architecture Choices for SubmissionMedium

Tests ability to justify architectural decisions and compare tradeoffs for a coding submission.

Trade-offsCommunicationarchitectureIng Deutschland
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2
Behavioral & Leadership4 questions · ~32 min
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3
More topics6 questions · ~48 min
PHP, Symfony, and MySQLMedium

Assesses your practical backend experience with PHP frameworks and relational databases.

mysqloopIng Deutschland
Optimistic vs Pessimistic LockingMedium

Tests understanding of concurrency control in high-transaction financial systems.

Decision Makingfinancial datatransactionsIng Deutschland
Protecting PII and Financial DataMedium

Tests secure handling practices for PII and financial records across storage and network boundaries.

financial dataSecuritydata integrityIng Deutschland
Banking Transaction Locking StrategiesEasy

Explain optimistic and pessimistic locking for banking transactions, including tradeoffs, failure handling, and when each approach is appropriate.

JoinsData WranglingCase WhenIng Deutschland
Secure REST API with OWASPMedium

Tests knowledge of REST API security controls aligned with OWASP Top 10 risks.

api designRisk AssessmentSecurityIng Deutschland
Design Loan Repayment REST APIsMedium

Tests ability to design REST endpoints and domain logic for loan repayment calculations at Ing Deutschland.

javaAPIsabstractionIng Deutschland

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