FE fundinfo Senior Software Developer Interview Questions and Answers

Q1. How would you write a REST API from scratch? Explain your role in the project.
Ans. 
To write a REST API from scratch, I would follow these steps:
• Define the resources and endpoints

• Choose a programming language and framework

• Implement CRUD operations for each resource

• Use HTTP methods and status codes correctly

• Add authentication and authorization

• Test the API using tools like Postman

• Document the API using tools like Swagger
Answered by AI
Add your answer

Basic concepts of programming

Q1. Programming concepts
Add your answer

Q1. What is the difference between normal and arrow functions
Ans. 
Arrow functions are more concise and have a lexical 'this' binding compared to normal functions.
• Arrow functions do not have their own 'this' keyword, they inherit it from the parent scope.

• Arrow functions do not have their own 'arguments' object.

• Arrow functions cannot be used as constructors with 'new'.

• Arrow functions are more concise and have implicit return when no curly braces are used.
Answered by AI
Add your answer
Q2. All basic JS Questions to cover Hoisting closure
Add your answer
Q3. They asked to show me an example using the API call
Add your answer
Q4. Difference between forEach and Map
Ans. 
forEach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
• forEach does not return a new array, while map does

• forEach does not modify the original array, while map creates a new array

• forEach is used for side effects, while map is used for transformation

• Example: forEach - array.forEach(item => console.log(item)), map - const newAr
Answered by AI
Add your answer

Q1. Sql based questions, oops concepts, project related questions
Add your answer
Q2. Recursion, Python, MVC, AWS services
Add your answer

Q1. Core java concepts,Sql queries,2 coding question based on arrays and string
Add your answer
Q2. Reverse the string
Ans. 
Reverse a given string
• Use a loop to iterate through the characters of the string

• Swap the characters from start to end to reverse the string

• Return the reversed string
Answered by AI
Add your answer
Q3. Find third highest salary from a employee table
Add your answer

Q1. Advance java and project related
Add your answer
Q2. Springboot and spring diff
Add your answer
Q3. Springboot annotations used in your project
Ans. 
Some common Springboot annotations used in projects are @RestController, @Autowired, @RequestMapping, @Service, @Component, @Repository.
• @RestController - Used to define RESTful web services.

• @Autowired - Used for automatic dependency injection.

• @RequestMapping - Used to map web requests to specific handler methods.

• @Service - Used to indicate that a class is a service.

• @Component - Used to indicate that a class is a Spring...read more
Answered by AI
Add your answer
Q4. Springboot dependencies
Add your answer

Q1. I was interviewed for 2yr experience. Normal Core java and basic sql question.
Add your answer
Q2. Oops concept. Collections. Abstract class and interface. Sql procedures and functions Sql basic query
Add your answer

Q1. Questions related to the projects worked till date. Explain your project. And counter question on your project.
Add your answer
Q2. How many projects have you worked on? Explain each in short.
Add your answer