The One Technologies Senior Software Developer Interview Questions, Process, and Tips

Q1. Current Project Roles and Responsibilities
Ans. 
Currently leading a team of developers in designing and implementing a new web application for a client in the finance industry.
• Leading a team of developers in designing and implementing a new web application

• Collaborating with stakeholders to gather requirements and define project scope

• Ensuring project milestones are met on time and within budget

• Conducting code reviews and providing technical guidance to team members
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Q2. Microservices and Message brokers.
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Q3. Angular Reactive Forms, RxJS, Detection cycle
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Q1. Action Filters In MVC
Ans. 
Action filters are used in ASP.NET MVC to execute code before or after an action method is called.
• Action filters can be used to perform authentication and authorization checks.

• They can also be used to modify the result of an action method.

• Examples of action filters include Authorize, OutputCache, and HandleError.

• Action filters can be applied globally, to a controller, or to an individual action method.
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Q2. What is the difference between controller and API controller
Ans. 
A controller is used for handling user requests while an API controller is used for handling API requests.
• A controller is used for rendering views while an API controller is used for returning data in JSON format.

• API controllers are usually lighter and faster than regular controllers.

• API controllers are often used for building RESTful APIs.

• Examples of API frameworks that use API controllers include Laravel and ASP.NET
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Q1. Difference between IEnumerable and IQuriable
Ans. 
IEnumerable is read-only and forward-only while IQueryable is queryable and can be used with LINQ to SQL.
• IEnumerable is used for in-memory collections while IQueryable is used for querying external data sources.

• IQueryable allows for deferred execution while IEnumerable does not.

• IQueryable can be used with LINQ to SQL to translate queries into SQL statements.

• IEnumerable is simpler and more lightweight than IQueryable.

• IE...read more
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Q2. What is the use of Yield Key word
Ans. 
Yield keyword is used in Python to create generators that can be used to iterate over large datasets without loading them into memory.
• Yield is used to pause and resume a function's execution.

• Generators created using yield are memory efficient as they only load data when needed.

• Yield can be used to implement lazy evaluation.

• Yield can be used to create infinite sequences.

• Example: def my_generator(): yield 1; yield 2; yie...read more
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Consist 3 coding questions medium level

Q1. Asked about java concept
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Q2. Sql query basics
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Q1. Asked medium to advance level oops java concept
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Q2. Deep discussion over project
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Q1. Hard level linked list questions
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Q2. Advanced level sql query
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Machine coding round

Q1. TCP/IP related questions, what happens when you search a webpage?
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Q2. Past projects discussions
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Q1. Behavioural questions on how would you tackle a particular scenario
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Basic Logical programs

Q1. Explain laravel Structure
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Q2. Database migration
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Q3. What is indexing in database
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Q4. What is controller ,What is Route
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Q1. Why you leave your previous Company
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Q2. What is your role in previous company
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It was a Basic Aptitude Test

We were asked to do Sorting, SQL queries (join)

Q1. Can you tell me about yourself?
Ans. 
I am a passionate software engineer with 5 years of experience in developing web applications using various technologies.
• 5 years of experience in software development

• Proficient in developing web applications

• Skilled in using various technologies such as Java, JavaScript, and SQL
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Aptitude questions with 2-3 coding questions

Q1. Input-wwwrrrrttttuu Output - w3r4t4u2
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Q2. Interpreter vs compiler
Ans. 
Interpreter executes code line by line, compiler translates code into machine code before execution.
• Interpreter translates code into machine code line by line during runtime

• Compiler translates code into machine code before execution

• Interpreted languages include Python, JavaScript

• Compiled languages include C, C++
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Java, spring,springboot