Wells Fargo Senior Software Engineer 1 Interview Questions and Answers for Experienced

Mostly they asked questions on String or basic coding questions

Q1. Core java questions basics, SpringBoot Microservice ,Sql questions
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Q1. Mostly questions on core java, day to day activities , agile,beghavioural questions
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Q1. Salary Expectation
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Q1. Tell me about any of the design patterns you are familiar with
Ans. 
I am familiar with design patterns such as Singleton, Factory, Observer, and MVC.
• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object that will be created.

• Observer pattern defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and up...read more
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Q2. Design a system for a company in hospitality
Ans. 
Design a system for a company in hospitality
• Implement a centralized reservation system for booking rooms, tables, and other services

• Incorporate a customer feedback system to gather reviews and ratings for continuous improvement

• Include a staff scheduling and management module to efficiently allocate resources

• Integrate a payment gateway for secure transactions and invoicing

• Utilize data analytics to track customer prefere
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Q3. How and where did you implement threads
Ans. 
Implemented threads in a multi-threaded application to improve performance and concurrency.
• Implemented threads in a multi-threaded application to handle multiple tasks concurrently

• Used threads to improve performance by parallelizing tasks

• Implemented threads in a web server to handle multiple client requests simultaneously
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Q4. DSA questions I don't remember but they were from leetcode and gfg. Focus on Medium level more than easy or hard. Also heap
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Basic program with stream

Q1. Microservice architecture
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Q2. Crud operations
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Anagram, Pythagorean triplets

Js coding test with modifications

Q1. Questions on spring boot
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Q2. Questions on Java
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Q3. Java 8 Stream APi
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Q4. Questions on previous projects
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Q1. - Questions about my experience, skills, role and expectations,
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Q1. - Questions on Java, Spring boot and Memory optimization.
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Q1. - REST Architecture - How to compare two lists? - Git stash, checkout, commit and pull - Unit testing - SQL
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Easy level aptitude

Easy to medium level

Q1. Introduction, questions related to post
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Q1. Telephonic round not much questions
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A Codeing env called as karat interview. Post which you will have 2 technical interviews and barraiser interview.

Q1. 2 technicals with codeshare env. 3 to 4 problems in 2 rounds
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Q1. Bar raiser interview
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Q1. General discussion on perks n package
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