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2,048 software engineer principal interview questions shared by candidates

Oracle OCI principal engineer interview process 1. screening round - past projects done and a coding question (LC easy to medium) sum 2 large decimal numbers 2. class design question - Mine sweeper game 3. managerial interview - purely behavioral and past projects 4. coding round (LC easy to medium) - sliding window log ratelimilter based duplicate rejection 5. Bartender round - behavioral question 6. HLD design round - IOT data collection system
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Principal Software Engineer

Interviewed at Oracle

3.5★
Dec 8, 2023

Oracle OCI principal engineer interview process 1. screening round - past projects done and a coding question (LC easy to medium) sum 2 large decimal numbers 2. class design question - Mine sweeper game 3. managerial interview - purely behavioral and past projects 4. coding round (LC easy to medium) - sliding window log ratelimilter based duplicate rejection 5. Bartender round - behavioral question 6. HLD design round - IOT data collection system

Tell about different design patterns. Implement factory design pattern in java. Explain where in your project you are using any design pattern Create a linked list program and remove the number of duplicate nodes and sort the linked list and print it. Tell about ConcurrentHashMap What is the difference between HashMap and ConcurrentHashMap Have you worked with Executors
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Principal Software Engineer

Interviewed at Pegasystems

3.7★
Aug 4, 2018

Tell about different design patterns. Implement factory design pattern in java. Explain where in your project you are using any design pattern Create a linked list program and remove the number of duplicate nodes and sort the linked list and print it. Tell about ConcurrentHashMap What is the difference between HashMap and ConcurrentHashMap Have you worked with Executors

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