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2,064 principal software engineer interview questions shared by candidates

behavioural questions (tell about last job, why Fidelity? what you like dislike about past job, describe your day) java questions thrown in (singleton, interfaces, abstract) java/javascript questions (design patterns, why microservices, abstract classes, === vs == in javascript)
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Principal Software Engineer

Interviewed at Fidelity Investments

4.1★
Sep 21, 2020

behavioural questions (tell about last job, why Fidelity? what you like dislike about past job, describe your day) java questions thrown in (singleton, interfaces, abstract) java/javascript questions (design patterns, why microservices, abstract classes, === vs == in javascript)

Interview: 1 Programming questions 1. var str = "some revenue in 2016 is 1,50,000 when GDP is 3.5%, but in 2015 it was 1,00,000 and GDP was 3.0%.." print string with reversed numbers expected o/p : some revenue in 6102 is 000,05,1 when GDP is 5.3%.... 2. Directed graph shortest path between two points. Interview: 2 1. Application architecture 2. Design a sales website which have feeding monthly sales data by Excel data sheets which contain record of product per sales person. Create report /Month/Team/Person Reports 3. DB Architecture for Q2, Web Architecture Q2, Client implementation: Q2 4. Details application scalability using Load balancer 5. Processing data via node.js where to use async, promise. 6. Google egg floor problem
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Principal Software Engineer-Node Js

Interviewed at Support.com

3★
Nov 4, 2016

Interview: 1 Programming questions 1. var str = "some revenue in 2016 is 1,50,000 when GDP is 3.5%, but in 2015 it was 1,00,000 and GDP was 3.0%.." print string with reversed numbers expected o/p : some revenue in 6102 is 000,05,1 when GDP is 5.3%.... 2. Directed graph shortest path between two points. Interview: 2 1. Application architecture 2. Design a sales website which have feeding monthly sales data by Excel data sheets which contain record of product per sales person. Create report /Month/Team/Person Reports 3. DB Architecture for Q2, Web Architecture Q2, Client implementation: Q2 4. Details application scalability using Load balancer 5. Processing data via node.js where to use async, promise. 6. Google egg floor problem

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