Robosoft Technologies Senior Software Engineer Interview Questions and Answers

Choose the Options in Javascript, HTML, CSS

Q1. ES6 concepts of javascript
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Q2. Core concepts of Reactjs
Ans. 
Reactjs is a JavaScript library for building user interfaces.
• Component-based architecture

• Virtual DOM for efficient updates

• JSX for writing HTML in JavaScript

• State management with setState()

• Lifecycle methods like componentDidMount()
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Q1. Role discussion with Manager
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Q2. Salary discussion with HR
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Q1. Explain technical challenges you have come across and how did you overcome it?
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I faced a technical challenge while implementing a complex algorithm for real-time data processing.
• Identified the bottleneck in the algorithm by profiling the code

• Optimized the algorithm by implementing data structures and algorithms with lower time complexity

• Tested the optimized solution thoroughly to ensure correctness and performance

• Collaborated with team members to brainstorm alternative approaches
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Q2. Explain the main feature of JavaScript frameworks
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JavaScript frameworks provide pre-written code to simplify and speed up web development.
• Helps in organizing code and improving code quality

• Provides reusable components for faster development

• Offers built-in features like routing, state management, and data binding

• Examples: React, Angular, Vue
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Q1. Different trigger pattern
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Different trigger patterns are used in software development to initiate actions based on specific events.
• Triggers can be based on time, user input, system events, etc.

• Examples include event-driven programming, polling triggers, and scheduled triggers.
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Q2. Scenario based: trigger make one callout per record and 1000 record are updated how will you handle it?
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Q3. Update account with count of contact.
Ans. 
Update account with count of contact involves updating the account with the number of contacts associated with it.
• Create a function to update the account with the count of contacts

• Retrieve the contacts associated with the account

• Calculate the count of contacts

• Update the account with the count of contacts
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Q4. How do you share record using owd
Ans. 
Sharing records using Organization Wide Defaults (OWD) in Salesforce
• Set OWD to Public Read Only to allow all users to view records but only the owner can edit

• Set OWD to Private to restrict access to only the record owner and users above in the role hierarchy

• Use Sharing Rules to extend access to specific groups of users

• Use Manual Sharing to grant access to individual users or groups on a case-by-case basis
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Q1. Difference between with sharing, without sharing and inherited sharing.
Ans. 
with sharing enforces sharing rules, without sharing doesn't enforce sharing rules, inherited sharing uses the sharing rules of the parent class
• with sharing keyword enforces sharing rules specified in the organization-wide defaults

• without sharing keyword doesn't enforce sharing rules, allowing access to all records

• inherited sharing keyword uses the sharing rules of the parent class
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Q2. Explain async process in Salesforce
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Async process in Salesforce allows for executing tasks in the background without blocking the main thread.
• Async processes in Salesforce are used to perform time-consuming operations without affecting the user experience.

• Apex provides @future annotation for asynchronous processing.

• Batch Apex is used for processing large data sets asynchronously.

• Queueable Apex allows chaining of asynchronous jobs.

• Platform Events can be u
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Q1. Create table view for different profile and can have more then 60 column. How to implement dynamically
Ans. 
Use dynamic SQL to create table view with more than 60 columns for different profiles
• Use dynamic SQL to generate the CREATE VIEW statement based on the profile requirements

• Iterate through the profile columns and add them to the CREATE VIEW statement dynamically

• Consider using a loop or a mapping function to handle the large number of columns efficiently
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Q2. How to handle recursion
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Recursion is a programming technique where a function calls itself in order to solve a problem.
• Identify the base case to stop the recursion

• Ensure the recursive call moves towards the base case

• Optimize recursion by using memoization or tail recursion

• Examples: factorial calculation, Fibonacci sequence
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Q1. Java Coding questions
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Q1. Coding plus java spring boot Microservices questions
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Develop java spring boot application from scratch

Q1. Coding questions. Real time questions on application
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Q1. Salary expectations
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Q1. Java 8 interview questions
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Q2. Spring boot questions
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Q1. Microservices strurcture and implementation
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Two simple coding questions were asked.

One multithreading questions was asked and few theoretical questions.

Q1. Few code snippets were provided on OOPs and result was asked.
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Q2. Sql query was asked.
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Q3. Two more rounds are still left
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