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Updated weekly · Last refresh Aug 30

Tink Software Engineer Interview Questions

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

27questions
~4htotal time
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1
SQL & Data ManipulationStart here. 3 questions + 3 drills · ~54 min
Banking Transaction Locking StrategiesEasy

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

JoinsData WranglingCase WhenTink
Optimize Aggregated Transaction SQLHard

Tests your SQL proficiency and performance optimization for analytics over transaction data.

JoinsperformanceAggregationsTink
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
Autonomous vs Manual Drive TimeHard
Practice
Practice drill

Compute per-vehicle daily autonomous vs manual seconds from state-change logs using LEAD and conditional aggregation.

JoinsData WranglingGroup By
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
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2
Coding7 questions · ~57 min
equals and hashCode ContractMedium

Tests your Java fundamentals and correctness when using objects in hash-based collections.

Hash TablesjavaoopTink
Custom Transaction Format ParserMedium

Tests your skills in parsing, validation, and building reliable ingestion components.

json parsingStringsData StructuresTink
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3
Pipelines4 questions · ~33 min
Exactly-Once Transaction ProcessingHard

Tests your understanding of distributed processing semantics and mechanisms to achieve exactly-once.

Stream ProcessingOrchestrationIdempotencyTink
Zero-Downtime Schema MigrationsHard

Tests your approach to safe, incremental migrations and minimizing downtime in production systems.

schema evolutionAutomationCloudTink
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4
Behavioral & Leadership11 questions · ~90 min
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5
More topics2 questions · ~16 min
Highly Available API GatewayHard

Tests your distributed systems design for reliability, security, and traffic management at scale.

Trade-offsSuccess CriteriaRoadmappingTink
System Design With RequirementsHard

Assesses your ability to produce a coherent system design under constraints.

system designrequirementsTink

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