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Unico Connect Senior Front end Developer Interview Questions and Answers

Updated 19 Jul 2024

Unico Connect Senior Front end Developer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Machine coding on creating excell
  • Ans. 

    Machine coding on creating excel involves writing code to generate and format Excel files programmatically.

    • Use a library like ExcelJS or Apache POI to create Excel files in code.

    • Define the structure of the Excel file including sheets, rows, and cells.

    • Populate the cells with data and apply formatting such as styles and colors.

    • Save the generated Excel file to a specified location.

    • Test the code thoroughly to ensure the Ex

  • Answered by AI
  • Q2. Sorting question

Skills evaluated in this interview

Interview questions from similar companies

I applied via Campus Placement and was interviewed before Sep 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Linked List, Stack, BST

Interview Preparation Tips

Interview preparation tips for other job seekers - be ready with ds algo and have some side projects

I applied via Naukri.com and was interviewed before Aug 2021. There were 2 interview rounds.

Round 1 - Coding Test 

I was attended for technical f2f round for Android app developer, they asked to develop sample app with large json parsing in grid view. It's good and nice.

Round 2 - Technical 

(1 Question)

  • Q1. Once you successfully implemented coding, they will take technical f2f round. It will mainly in all topics of android.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare more coding questions in all advanced topics and logical questions

I appeared for an interview in Dec 2016.

Interview Questionnaire 

1 Question

  • Q1. Tell me about yourself tell me about your internship My interview was unstructured(i.e based on your reply interviewer was asking Questions)

Interview Preparation Tips

Round: Test
Experience: Questions were very difficult and solving one Question gets you shortlisted for interview
I don't remember the Questions
Duration: 1 hour 30 minutes
Total Questions: 2

Skills: Internship Work, Inter Person Communication Skills
College Name: IIT Roorkee

I appeared for an interview in Jul 2020.

Interview Questionnaire 

4 Questions

  • Q1. 1 if we call finish from oncreate in an activity in android. Will it call onresume and other lifecycle functions before ondestroy.
  • Ans. 

    No, calling finish() in onCreate() will not call onResume() or other lifecycle functions before onDestroy().

    • Calling finish() in onCreate() will immediately destroy the activity without calling any other lifecycle methods.

    • If you want to finish an activity after it has been created and resumed, you should call finish() in onPause() or onStop().

    • It is generally not recommended to call finish() in onCreate() as it can lead

  • Answered by AI
  • Q2. 2 Explain recyclerview and its corner cases.
  • Ans. 

    RecyclerView is a flexible view for providing a limited window into a large data set.

    • RecyclerView is used to display large sets of data efficiently

    • It uses a ViewHolder pattern to recycle views

    • Corner cases include handling empty data sets and updating data dynamically

  • Answered by AI
  • Q3. 3 Define communication between acticity and fragment.
  • Ans. 

    Communication between activity and fragment is done through interfaces.

    • Activity implements an interface and passes it to the fragment

    • Fragment can then call methods of the interface to communicate with the activity

    • This allows for communication between the two components without tight coupling

  • Answered by AI
  • Q4. 4 find second largest element in an array.
  • Ans. 

    Find the second largest element in an array of strings.

    • Sort the array in descending order and return the second element.

    • Iterate through the array and keep track of the largest and second largest elements.

    • Use a priority queue to find the second largest element.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Recise data structures basic codes and relevant technology interview questions.

Skills evaluated in this interview

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

I applied via Naukri.com and was interviewed before Oct 2022. There were 3 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 - One-on-one 

(1 Question)

  • Q1. Up selling concept
  • Ans. 

    Up selling is the practice of encouraging customers to purchase a higher-end product or additional items in order to increase sales.

    • Understand the customer's needs and preferences to recommend relevant upgrades or add-ons

    • Highlight the benefits of the higher-end product or additional items

    • Offer package deals or discounts for purchasing multiple items

    • Provide excellent customer service to build trust and increase likeliho...

  • Answered by AI
Round 3 - One-on-one 

(2 Questions)

  • Q1. Cross selling concept
  • Q2. Up selling concept
  • Ans. 

    Up selling is the practice of encouraging customers to purchase a higher-end product or additional items in order to increase sales and revenue.

    • Understand the customer's needs and preferences to recommend relevant products or services

    • Highlight the benefits and features of the higher-end product to justify the additional cost

    • Offer package deals or discounts for purchasing multiple items together

    • Provide excellent custome...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Newspaper Ad and was interviewed before Mar 2023. There was 1 interview round.

Round 1 - One-on-one 

(5 Questions)

  • Q1. Wind turbines commissioning process and PLC software knowledge,wind turbines termination work
  • Q2. Converter test and DFIG working
  • Ans. 

    Converter test involves testing the performance and efficiency of a converter, while DFIG (Doubly Fed Induction Generator) is a type of generator used in wind turbines.

    • Converter test evaluates the performance of a power converter by analyzing its efficiency, power factor, and voltage regulation.

    • DFIG is a type of generator commonly used in wind turbines to convert mechanical energy into electrical energy.

    • Testing DFIG in...

  • Answered by AI
  • Q3. PLC and other wind software
  • Q4. Power cable termination
  • Q5. Grid charging process

Interview Preparation Tips

Interview preparation tips for other job seekers - You can apply on senvion official portal all details available in Google
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before May 2023. There were 3 interview rounds.

Round 1 - Technical 

(12 Questions)

  • Q1. What are the lifecycle methods?
  • Ans. 

    Lifecycle methods are methods that are automatically called at certain points in the lifecycle of a component in React.

    • Lifecycle methods include componentDidMount, componentDidUpdate, componentWillUnmount, etc.

    • These methods allow developers to perform actions at specific points in a component's lifecycle, such as fetching data after the component has been rendered.

    • They are used to manage side effects, perform cleanup, ...

  • Answered by AI
  • Q2. What are the advantages and features of react?
  • Ans. 

    React is a popular JavaScript library for building user interfaces.

    • Component-based architecture for reusability and easy maintenance

    • Virtual DOM for efficient updates and performance optimization

    • JSX syntax for writing HTML within JavaScript

    • One-way data binding for predictable data flow

    • Support for server-side rendering for improved SEO

    • Large community and ecosystem with many third-party libraries and tools

  • Answered by AI
  • Q3. Difference between class and functional components?
  • Ans. 

    Class components are ES6 classes that extend from React.Component and have state and lifecycle methods, while functional components are simple functions that take props as input and return JSX.

    • Class components are defined using ES6 classes and have a render method.

    • Functional components are defined as simple functions that take props as input and return JSX.

    • Class components can have state and lifecycle methods like comp...

  • Answered by AI
  • Q4. What are the Higher order components?
  • Ans. 

    Higher order components are functions that take a component and return a new component with additional functionality.

    • Higher order components enhance the functionality of existing components

    • They can be used for code reusability and separation of concerns

    • Examples include withRouter from React Router and connect from React Redux

  • Answered by AI
  • Q5. What are the React hooks?
  • Ans. 

    React hooks are functions that let you use state and other React features without writing a class.

    • React hooks were introduced in React 16.8.

    • They allow you to use state and other React features in functional components.

    • Some commonly used hooks are useState, useEffect, useContext, and useReducer.

    • Hooks are more flexible and easier to use compared to class components.

  • Answered by AI
  • Q6. What is the difference between contextAPI and Redux?
  • Ans. 

    ContextAPI is a built-in feature in React for managing global state, while Redux is a separate library for state management in React applications.

    • ContextAPI is built into React, while Redux is a separate library.

    • ContextAPI is primarily used for managing global state in a React application.

    • Redux provides a centralized store for state management and follows a unidirectional data flow.

    • ContextAPI is simpler to use for smal...

  • Answered by AI
  • Q7. What are the semantic elements in html?
  • Ans. 

    Semantic elements in HTML are tags that clearly define the content they wrap, providing meaning to both browsers and developers.

    • Semantic elements help improve SEO by providing search engines with better understanding of the content.

    • Examples of semantic elements include <header>, <footer>, <article>, <section>, <nav>, <aside>, <main>, <figure>, <figcaption>, <deta...

  • Answered by AI
  • Q8. What are the pseudo elements?
  • Ans. 

    Pseudo elements are used in CSS to style specific parts of an element.

    • Pseudo elements are denoted by double colons (::) in CSS.

    • They allow styling of specific parts of an element, like the first letter or line.

    • Common pseudo elements include ::before, ::after, ::first-line, and ::first-letter.

  • Answered by AI
  • Q9. What is box model?
  • Ans. 

    The box model is a fundamental concept in CSS that defines the layout of elements on a webpage.

    • The box model consists of content, padding, border, and margin.

    • Content: the actual content of the element, such as text or images.

    • Padding: space between the content and the border.

    • Border: a line that goes around the padding and content.

    • Margin: space outside the border, separating the element from other elements.

  • Answered by AI
  • Q10. What is hoisting?
  • Ans. 

    Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during the compilation phase.

    • Variable and function declarations are hoisted to the top of their scope.

    • Only declarations are hoisted, not initializations.

    • Function declarations take precedence over variable declarations.

    • Example: console.log(myVar); var myVar = 10; // Output: undefined

    • Example: cons...

  • Answered by AI
  • Q11. What is difference between normal function and arrow function?
  • Ans. 

    Normal functions are defined using the function keyword, while arrow functions are defined using the => syntax.

    • Normal functions are hoisted, while arrow functions are not hoisted.

    • 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 are more concise and have implicit return.

    • Arrow functions cannot be used as co

  • Answered by AI
  • Q12. What is splice and slice?
  • Ans. 

    Splice and slice are methods used in programming to manipulate arrays.

    • Splice is used to add or remove elements from an array at a specific index.

    • Slice is used to extract a portion of an array and returns a new array.

    • Example of splice: array.splice(2, 0, 'new element') - adds 'new element' at index 2.

    • Example of slice: array.slice(1, 4) - extracts elements from index 1 to 3.

  • Answered by AI
Round 2 - Coding Test 

Coding questions on Java script like array methods and objects handling. coding questions on React is like life cycle methods using functional components and state management.

Round 3 - HR 

(2 Questions)

  • Q1. Why should we hire you?
  • Q2. How do you handle the work?

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Jun 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Sql, numpy, pandas, dictionary, pandas group by, merging

Round 2 - One-on-one 

(1 Question)

  • Q1. Normal questions
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
-
Result
-

I appeared for an interview in Jan 2025.

Round 1 - Coding Test 

Data structures, particularly strings, play a crucial role in problem-solving.

Round 2 - HR 

(4 Questions)

  • Q1. Please tell me about yourself.
  • Ans. First of all , thank you! For this opportunity to introduce my self. I am Akash kumar kushwaha, I was born in bihar 2001 , but I live in ghaziabad now. I m currently pursuing my b.tech from IMS engineering college ghaziabad. And I completed my 10th and 12th from co-operative uchh vidyalaya jagdishpur with score 60% in 10th and 65% in 12th . And my hobby is playing cricket and travelling.
  • Answered by AKASH KUMAR KUSHWAHA
  • Q2. Why should we hire you?
  • Ans. 

    I have a strong technical background, excellent problem-solving skills, and a passion for software development.

    • I have a Bachelor's degree in Computer Science and 5 years of experience in software development.

    • I am proficient in multiple programming languages such as Java, Python, and JavaScript.

    • I have a track record of delivering high-quality code on time and within budget.

    • I am a quick learner and always eager to stay u...

  • Answered by AI
  • Q3. What are your strength and weakness .
  • Ans. 

    Strength: Problem-solving skills, Weakness: Impatience

    • Strength: Strong problem-solving skills demonstrated through successful projects

    • Weakness: Impatience when tasks take longer than expected, working on improving patience through time management techniques

  • Answered by AI
  • Q4. Why did you choose career in software developer.
  • Ans. 

    Passion for problem-solving and creating innovative solutions drove me to pursue a career in software development.

    • Fascination with technology and its potential to improve lives

    • Enjoyment of logical thinking and coding challenges

    • Desire to constantly learn and adapt in a fast-paced industry

    • Previous experience in programming projects or internships

  • Answered by AI
Round 3 - Technical 

(2 Questions)

  • Q1. What is your area of expertise in programming languages?
  • Ans. 

    My area of expertise in programming languages is in web development, specifically with JavaScript, HTML, and CSS.

    • Proficient in JavaScript for client-side scripting and server-side development with Node.js

    • Experienced in building responsive and interactive web applications using HTML and CSS

    • Familiar with popular frameworks and libraries like React, Angular, and Bootstrap

  • Answered by AI
  • Q2. What is JavaScript, and what are its benefits?
  • Ans. 

    JavaScript is a high-level, interpreted programming language used for creating interactive websites.

    • JavaScript is commonly used for client-side web development.

    • It allows for dynamic content updates without reloading the page.

    • JavaScript can be used to create interactive elements like forms, animations, and games.

    • It is supported by all major web browsers.

    • JavaScript can also be used for server-side development with Node.j

  • Answered by AI

Unico Connect Interview FAQs

How many rounds are there in Unico Connect Senior Front end Developer interview?
Unico Connect interview process usually has 1 rounds. The most common rounds in the Unico Connect interview process are Technical.
What are the top questions asked in Unico Connect Senior Front end Developer interview?

Some of the top questions asked at the Unico Connect Senior Front end Developer interview -

  1. Machine coding on creating exc...read more
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Unico Connect Senior Front end Developer Interview Process

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Interview experience

4
  
Good
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