McFadyen Digital Senior Software Engineer Interview Questions and Answers

Q1. What is session? Where are session stored? Difference between 3tier architecture and 3layared architecture? What is SOA? Why we need WebApi? What is REST and RESTful? What are return types in WebApi?
Ans. 
Questions related to web development and architecture
• Session is a way to store user-specific data on the server-side

• Session can be stored in-memory, on the server's file system, or in a database

• 3-tier architecture separates presentation, application logic, and data storage

• 3-layered architecture separates presentation, business logic, and data access

• SOA is a design pattern where software components communicate with each...read more
Answered by AI
Add your answer

Q1. Many scenario based questions based on the skills in resume and on the projects worked
Add your answer

Q1. Basic ios Questions No DS questions
Add your answer
Q2. Basic swift quesions
Add your answer
Q3. In App Purchase
Add your answer
Q4. Hardware Device connectivity
Add your answer

Q1. Difference between null and object.
Ans. 
Null is absence of value while object is a collection of properties and methods.
• Null is a primitive value while object is a complex data type.

• Null is used to indicate absence of value while object is used to represent real-world entities.

• Null cannot have properties or methods while object can have both.

• Example of null: let x = null; Example of object: let person = { name: 'John', age: 30 };
Answered by AI
Add your answer

Array and OOPS concept. Given set of questions to solve with each oops concept

Q1. Out of box thinking. Given logical puzzles and ask you to analyze and provide your understanding
Add your answer
Q2. Explain the inheritance concept with car model
Ans. 
Inheritance in car model refers to the ability of a new car model to inherit features and characteristics from an existing car model.
• Inheritance allows for the creation of a new car model that shares common features with an existing car model

• The new car model can add or modify features inherited from the existing car model

• For example, a new sports car model can inherit features from a base car model such as engine, tra...read more
Answered by AI
Add your answer
Q3. Probability question with fruits and boxes
Add your answer

Q1. Palindrome code should design
Ans. 
Palindrome code should be designed to check if a given string is the same forwards and backwards.
• Create a function that takes a string as input

• Remove any spaces and punctuation from the string

• Reverse the string and compare it to the original string to check if it is a palindrome
Answered by AI
Add your answer
Q2. Regarding sql topics like joins and acid
Add your answer
Q3. Project explain and domain
Add your answer
Q4. Project explain and domain and internal working
Add your answer
Q5. Oops concepts and coding
Add your answer

Q1. Diff btw vite and webpack
Add your answer
Q2. What is currying in js
Add your answer

Q1. What is currying in javascript?
Add your answer
Q2. Diff btw webpack and vite
Add your answer

The aptitude test was relatively straightforward, consisting of both aptitude and technical questions, with a difficulty level ranging from easy to medium.

Q1. Was asked to write a code on basic DSA concept
Add your answer
Q2. Then was asked basic questions on DSA and SQL
Add your answer

The aptitude test evaluates problem-solving, coding skills, and logical reasoning, offering a fair challenge to showcase technical expertise.

Q1. How do you handle conflicts in a team project?
Ans. 
I address conflicts in team projects by promoting open communication, active listening, and seeking compromise.
• Encourage open communication among team members to address conflicts early on

• Practice active listening to understand all perspectives and concerns

• Seek compromise and find common ground to resolve conflicts effectively
Answered by AI
Add your answer
Q2. What is the difference between an interface and an abstract class?
Ans. 
Interface is a contract that defines the methods a class must implement, while an abstract class can have both implemented and abstract methods.
• Interface can only have abstract methods and cannot have any implementation, while abstract class can have both abstract and implemented methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used to achieve multiple inheri...read more
Answered by AI
Add your answer