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Wan Buffer Services Senior iOS Software Developer Interview Questions and Answers

Updated 14 Oct 2021

Wan Buffer Services Senior iOS Software Developer Interview Experiences

1 interview found

I applied via Naukri.com and was interviewed in Sep 2021. There was 1 interview round.

Interview Questionnaire 

3 Questions

  • Q1. What is dependency injection?
  • Ans. 

    Dependency injection is a design pattern where the dependencies of an object are provided externally rather than being created internally.

    • Dependency injection helps in achieving loose coupling between objects.

    • It allows for easier testing and maintenance of code.

    • There are three types of dependency injection: constructor injection, setter injection, and interface injection.

    • Example: In iOS development, dependency injectio...

  • Answered by AI
  • Q2. What is escaping and non ascaping?
  • Ans. 

    Escaping and non-escaping are terms used in Swift for closures.

    • Escaping closures are those that are executed after the function has returned.

    • Non-escaping closures are executed within the function and do not outlive the function.

    • Escaping closures are marked with @escaping keyword in Swift.

    • Escaping closures are useful when the closure needs to be stored for later use or passed to another function.

  • Answered by AI
  • Q3. What is clouser?
  • Ans. 

    A closure is a function that has access to variables in its lexical scope, even when the function is executed outside that scope.

    • A closure is created when a function is defined inside another function and the inner function uses variables from the outer function.

    • Closures can be used to create private variables and functions in JavaScript.

    • Closures can also be used to create functions with pre-set arguments or to create ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basic fundamentals properly

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Jul 2023. There were 4 interview rounds.

Round 1 - Coding Test 

MCQs based on JavaScript

Round 2 - HR 

(1 Question)

  • Q1. Tell me about yourself
Round 3 - Technical 

(2 Questions)

  • Q1. 1 coding problem
  • Q2. Javascript basic questions on objects, array methods
Round 4 - One-on-one 

(2 Questions)

  • Q1. Advance JS concepts
  • Q2. Difference between Scripting and Programming languages
  • Ans. 

    Scripting languages are used for automating tasks and are interpreted at runtime, while programming languages are used for creating applications and are compiled before runtime.

    • Scripting languages are typically used for automating tasks and are often interpreted at runtime

    • Programming languages are used for creating applications and are usually compiled before runtime

    • Scripting languages are often easier to learn and use...

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Jan 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

The aptitude test comprised a good mix of logical reasoning and problem-solving questions.

Round 2 - Coding Test 

The coding test concentrated on real-world scenarios, and both assessments were fair and effectively evaluated core technical skills.

Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Mar 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - HR 

(1 Question)

  • Q1. Personal profile
Round 3 - Technical 

(1 Question)

  • Q1. MS Word and Excel

I applied via Company Website and was interviewed before May 2021. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

As I applied for web application developer. They asked simple web tech. related questions like HTML, CSS, JS, JQuery and PHP.

Round 3 - Technical 

(2 Questions)

  • Q1. Frontend tech. question based on HTML CSS Bootstrap JS
  • Q2. Backend tech. questions based on PHP MySQL
Round 4 - Assignment 

As per your role, you will get a simple assignment that you need to run without any errors.

Interview Preparation Tips

Interview preparation tips for other job seekers - Refer w3scools.com for first two rounds

I applied via Company Website and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire 

7 Questions

  • Q1. What are the data analyst?
  • Ans. 

    Data analysts are professionals who collect, analyze, and interpret data to help organizations make informed decisions.

    • Data analysts collect and organize data from various sources.

    • They clean and validate data to ensure accuracy and reliability.

    • They use statistical techniques and tools to analyze data and identify patterns and trends.

    • Data analysts create reports and visualizations to present findings and insights.

    • They c...

  • Answered by AI
  • Q2. What are the management?
  • Ans. 

    Management refers to the process of planning, organizing, directing, and controlling resources to achieve organizational goals.

    • Planning: setting goals and objectives, developing strategies, and outlining tasks

    • Organizing: arranging resources, delegating tasks, and establishing a structure

    • Directing: leading and motivating employees, communicating expectations, and resolving conflicts

    • Controlling: monitoring performance, m...

  • Answered by AI
  • Q3. The are management is partnership the accounts then arethe so supportive the HR and Management so all of both my leader ship the and both are employe then supportive the deam the work effort the delevople...
  • Q4. What are the ambition?
  • Q5. They are to be my self to support the knowledge thenare to skill what ever may be then all people the knowledge improve the allof both members very increase the leavel the steep the skills development the ...
  • Q6. What are the like question?
  • Q7. Also this like for the all of questions is very productive. So I like for the ambition

Interview Preparation Tips

Interview preparation tips for other job seekers - I like the very interested the question again so accept then.. Its also knowledge the improve the quest ion

I applied via E-mail and was interviewed in Apr 2022. There were 2 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. Process of job I'm going to do need same guide from you mam
Round 2 - Technical 

(1 Question)

  • Q1. How to install links so I can go ahead start working hard
  • Ans. 

    To install links, you need to follow a few simple steps.

    • Determine the type of link you want to install (e.g. hyperlink, internal link, external link)

    • Highlight the text or image you want to turn into a link

    • Click on the link icon in your editing software or use the HTML code

    • Insert the URL or file path for the link

    • Test the link to make sure it works properly

  • Answered by AI

Interview Preparation Tips

Topics to prepare for India Data Entry Services Consultant interview:
  • Computer
  • Data Entry
Interview preparation tips for other job seekers - Thank you so much waiting for best response

I applied via Company Website and was interviewed before Apr 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Aptitude Test 

Data entry

Interview Preparation Tips

Interview preparation tips for other job seekers - My name Sunita negi I am honest. Iam house Waif. Computer data entry job 2 years

I applied via Naukri.com and was interviewed before Jan 2021. There was 1 interview round.

Interview Questionnaire 

3 Questions

  • Q1. What is a India Data entry services
  • Ans. 

    India Data entry services are professional services that involve entering data into a computer system or database.

    • India Data entry services involve accurately inputting data into a computer system or database.

    • These services are commonly outsourced by companies to ensure efficient and accurate data management.

    • Data entry operators are responsible for entering data from various sources such as paper documents, forms, or d...

  • Answered by AI
  • Q2. What is payroll data entry jobs
  • Ans. 

    Payroll data entry jobs involve entering employee information and payment details into a company's payroll system.

    • Payroll data entry jobs require accuracy and attention to detail.

    • Typical tasks include entering employee names, addresses, hours worked, and pay rates.

    • Other responsibilities may include calculating taxes, deductions, and benefits.

    • Examples of payroll data entry software include ADP, QuickBooks, and Paychex.

    • P...

  • Answered by AI
  • Q3. How is timing of jobs

Interview Preparation Tips

Interview preparation tips for other job seekers - Nothing to special,just like to introduce my self and shortly feeling them past and what is the goal of life and what I do in my life ! Thank you

I applied via AmbitionBox and was interviewed before Apr 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - HR 

(1 Question)

  • Q1. Tell me about yourself.

Interview Preparation Tips

Topics to prepare for India Data Entry Services Data Entry Operator interview:
  • B. Com CA
Interview preparation tips for other job seekers - Data enter, coding test. Assignment, group discussion

Wan Buffer Services Interview FAQs

What are the top questions asked in Wan Buffer Services Senior iOS Software Developer interview?

Some of the top questions asked at the Wan Buffer Services Senior iOS Software Developer interview -

  1. What is escaping and non ascapi...read more
  2. What is dependency injecti...read more
  3. What is clous...read more

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