Neptune Financial Software Software Engineer Interview Questions and Answers

Q1. 1) OOPS in java, and told to explain abstraction, encapsulation, inheritance with practical code 2) Exception handling(globally), Authentication and authorization 3) SOLID principles and factory design pat...read more
Ans. 
Interview questions for Software Engineer position covering OOPS concepts, exception handling, SOLID principles, Java 8 features, and Streams.
• Abstraction in OOPS: Hiding implementation details. Example: Abstract class Shape with method draw().

• Encapsulation in OOPS: Bundling data and methods that operate on the data. Example: Class Employee with private fields and public getters/setters.

• Inheritance in OOPS: Reusing code...read more
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Q2. 1) Advantage of springboot over spring 2) Tell me all the anotations you know in spring 3) What are CRUD operations, write controller layer and use validating annotations like @NotNull, @valid etc. how to ...read more
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The interview questions cover various topics related to Spring framework, REST vs SOAP, JPA repository, Feign client, circuit breaker, and Spring Security.
• Spring Boot provides a simpler and faster way to set up and run Spring applications compared to traditional Spring.

• Common annotations in Spring include @Controller, @Service, @Repository, @Autowired, @Component, @RequestMapping, @GetMapping, @PostMapping, @PutMapping...read more
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Q3. 1) ACID properties 2) DBMS commands 3) inner queries 4) Joins 5) S3 bucket congif and how to handle file and upload and retrieve in s3 6) Ci/Cd basic flow and docker explaination
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Aptitude round
English exam
Maths tricky questions exam
Coding 1 easy 1 tuff

Q1. Difference between css and css3
Ans. 
CSS is the standard styling language for websites, while CSS3 is the latest version with new features like animations and transitions.
• CSS is the standard styling language used for describing the look and formatting of a document written in HTML.

• CSS3 is the latest version of CSS with new features like animations, transitions, gradients, and more.

• CSS3 introduced new layout modules like Flexbox and Grid, making it easier ...read more
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Q2. Tell disadvantages of your projects
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Some disadvantages of my projects include scalability issues, lack of documentation, and limited testing.
• Scalability issues: The project was not designed to handle a large amount of data or users, leading to performance issues.

• Lack of documentation: There was insufficient documentation on the codebase, making it difficult for new team members to onboard or for future maintenance.

• Limited testing: Due to time constraints...read more
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Q1. Are you okay for night shift
Ans. 
Yes, I am okay with night shifts as I am comfortable working during those hours.
• I have previous experience working night shifts in my previous job.

• I am a night owl and tend to be more productive during late hours.

• I understand the importance of round-the-clock support in the software industry.
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Q2. Are you okay with reallocation
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Yes, I am okay with reallocation as it is a common practice in the software engineering field.
• I am comfortable with reallocation as it is a common practice in software development.

• I understand that reallocation may be necessary for project requirements or team dynamics.

• I am adaptable and willing to take on new challenges that may come with reallocation.
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Q1. They asked computer fundamental mcqs like OOPS,Database,pseusdocodes,sql.
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The topic given to us was "Can AI replace human Intelligence?"

Q1. The round three was technical interview and they asked some technical questions and some were related to Resume.
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3 leetcode hards, followed by some system design

Q1. How to design amazon
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Designing Amazon involves creating a user-friendly e-commerce platform with a vast product selection, efficient search and recommendation algorithms, secure payment processing, and reliable delivery logistics.
• Develop a user-friendly interface for easy navigation and product search

• Implement recommendation algorithms based on user behavior and preferences

• Integrate secure payment processing systems to protect customer inf...read more
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Q2. How to invert 25 bst
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To invert a binary search tree (BST), swap the left and right children of each node recursively.
• Start from the root node and recursively swap the left and right children of each node.

• Repeat this process for all nodes in the BST.

• The final result will be the inverted BST.
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