Technical Lead Java Interview Questions

595 technical lead java interview questions shared by candidates

They focused mainly on scalable Java backend architecture, microservices design, concurrency handling, performance optimization, system design decisions, and experience leading development teams in production environments.
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Lead Java Developer

Interviewed at Viber

4.3
May 27, 2026

They focused mainly on scalable Java backend architecture, microservices design, concurrency handling, performance optimization, system design decisions, and experience leading development teams in production environments.

1. Remove second non repeating character from string using java 8 streams 2. What is eureka and feign 3. when will you use soap and when rest 4. disadvantages of rest apis 5. fail-fast and fail safe collections 6. idempotent methods in rest api
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Java Lead

Interviewed at Capgemini

4.1
Oct 18, 2024

1. Remove second non repeating character from string using java 8 streams 2. What is eureka and feign 3. when will you use soap and when rest 4. disadvantages of rest apis 5. fail-fast and fail safe collections 6. idempotent methods in rest api

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