Northern Trust Senior Software Engineer Interview Questions and Answers

Q1. Spring boot features
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Q2. Spring security
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Q3. REST API development Process
Ans. 
REST API development involves designing, building, testing, and deploying APIs following REST principles.
• Design API endpoints based on resources and actions

• Implement CRUD operations using HTTP methods

• Use status codes to indicate success or failure

• Secure APIs with authentication and authorization mechanisms

• Document APIs with clear and concise documentation
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Q4. Core Java concepts
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Q1. Java 8 features and benefits
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Java 8 introduced new features like lambda expressions, streams, and default methods, improving code readability and performance.
• Lambda expressions allow for more concise code and easier parallel programming.

• Streams provide a way to work with collections in a functional style, enabling easier processing of large data sets.

• Default methods allow interfaces to have method implementations, reducing the need for abstract cl...read more
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Q1. Mainframe basic questions and pervious experience
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Q1. Client round it’s of technical but on-site people took interview
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Q1. Salary discussion and company info
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Hacker rank situational problem with TI

Q1. Managerial Round with some TI questions as well
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Q1. Formality round. Just a sanity check of legal clearance.
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Q2. They informed about the work policy and working model
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Resume shortlist and coding test

Q1. Automation Testing related
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Q1. Will ask to write code on ur skill set
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Q1. Total years of exp basic details
Ans. 
I have 8 years of experience in software engineering.
• 8 years of experience in software engineering

• Proficient in programming languages such as Java and Python

• Experience in developing web applications using frameworks like Spring and Django
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Q1. Basic java questions and 2 DSA medium level problems
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Q2. Two sum leet code problem
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Q1. Design round. Design a system that send notification’s to all the passengers of trains just when the train arrives at the station next to it. And one question on tree LCA
Ans. 
Design a system to send notifications to train passengers when the train arrives at the next station.
• Use GPS tracking to determine train location in real-time

• Implement a notification system that sends alerts to passengers' devices

• Integrate with train schedule data to know when the train is approaching the next station
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Hackathon Test with 2 medium level coding question.

Technical Video Interview- Java concepts mostly related to Java 8, 1 coding program and some db questions were asked.

Q1. Questions related to System Design.
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Q1. Questions related to my projects . Some questions related to my current role and responsibilities.
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