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JPMorganChase

Software Development Engineer 2

Java Memory Model and Concurrency

Hard

Round 1 (DSA / Java)general_knowledgeCandidate Selected

Java Concurrency JMM

Explain the Java Memory Model (JMM), the concept of happens-before relationships, memory visibility, and how `volatile` and synchronization work.

This question was asked in

JPMorganChase Software Development Engineer 2 Interview Experience

The interview process at JPMorganChase consisted of four comprehensive rounds covering DSA, Core Java, System Design, Software Development Practices, and Managerial discussions. Round 1 focused on data structures, algorithms, and deep Java internals, while Round 2 evaluated high-level system design with a focus on dynamic pricing and concurrency. Round 3 deeply explored production-grade practices including Kafka, security compliance, Spring Boot, and Kubernetes/Istio deployments, concluding with a behavioral Round 4.