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Olive Crypto Systems Front end Developer Interview Questions and Answers
Olive Crypto Systems Front end Developer Interview Experiences
1 interview found
I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.
1)Asked about few coding questions in js like fibonacci sequence, Armstorng number.
2) Few react concepts
(3 Questions)
- Q1. React optimisation techniques
- Ans.
React optimisation techniques improve performance and user experience.
Use React.memo for functional components to prevent unnecessary re-renders.
Implement shouldComponentUpdate for class components to control when a component should update.
Use PureComponent for class components to perform a shallow comparison of props and state before re-rendering.
Avoid unnecessary re-renders by using keys in lists to help React identi...
- Q2. ReactVirtual DOM behaviour
- Q3. More theory questions
Interview Preparation Tips
I was selected but instead of the giving the offer letter, after a week, they told that they need joining in 40 days, where my notice period was 60 days, to which I agreed by negotiating with previous company HR.
The moment iam selected, they could have told the same thing, that could have saved a week's time. Anyways, I accepted the terms.
But again after few hours, the same hr told that they want me joining within 15 days or less. If not they can't release offer letter is what she told.
Just imagine you have to ask your manager/Hr two times in a day. Morning you asked for 40 days, afternoon you are asking for 15 days. How bad you will look.
I said to Olive HR, it is not possible and said NO without any delay.
In the very beginning I clearly communicated about my notice period as 60 days, negotiable till 45 days and also conveyed my expectations as x to y But when i was selected ,they wanted notice period to 15 days, and even the salary is x-.5L.
Just to communicate a decision they are taking more than 1 or 2 days. Not even basic professional behaviour from their HR team.
They also mentioned 2 saturdays are working days also.
Join only if you have no other alternative.
Due to this, previous company HR and founding team got to know that I would be leaving sooner. This is at a time when they are looking to layoff people due to bad revenues and they asked me to resign because of Olive HR's team unprofesssional behaviour.
The story didn't end here. Now the second half of their unprofessional behaviour
I have resigned and again called HR, to check if they still have the opening. This is after 30 days from my selection, she said opening exists. I said i can join in a week, but asked for more salary x, again they dragged the days to say Yes or no. To my surprise, they told , they will more 50k less than previously told salary which is x-1. I was dumbstruck. But somehow convinced to give atleast x-0.5( the one which they said the first time) .
Again they took another day and finally she gave me the most wonderful response, that they don't need this role and they have kept it hold.
The same thing could have been told when i called second time. It could have saved my time.
First time, they didn't convey properly about notice period . Second time, when they wanted to hold the position, they could have said the same thing instead of dragging things.
Hopefully they behave more professionally and communicate properly atleast to the selected ones rather than changing the terms in midway. They have effected my employement in the previous company.
Request to company and HR: It's fine to reject candidates but don't play like this. It could effect them than what you think.
Tips to candidates : Be very clear with your notice period and salary intially only, don't be played like me.
Skills evaluated in this interview
Interview questions from similar companies
Navin Kumar
I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.
(5 Questions)
- Q1. Discussion about my previous project
- Q2. Question on html, css, javascript & react
- Q3. Explain about promises
- Ans.
Promises are objects representing the eventual completion or failure of an asynchronous operation.
Promises are used to handle asynchronous operations in JavaScript.
They can be in one of three states: pending, fulfilled, or rejected.
Promises can be chained using .then() to handle success and .catch() to handle errors.
Example: const myPromise = new Promise((resolve, reject) => { ... });
- Q4. Use state, context api
- Q5. Box modelling in css, css pre processors
- Ans.
Box model in CSS refers to the way elements are rendered in a web page. CSS preprocessors like SASS or LESS help streamline CSS development.
Box model in CSS includes content, padding, border, and margin.
CSS preprocessors like SASS or LESS allow for variables, nesting, and mixins to be used in CSS.
Example: box-sizing: border-box; in CSS changes the box model to include padding and border in the element's total width and
Interview Preparation Tips
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. Mostly js questions, not so many of angular or react.
- Q2. Like fizbuzz or things like that.
Interview Preparation Tips
(2 Questions)
- Q1. JavaScript Related Questions
- Q2. ReactJs Related Questions
(2 Questions)
- Q1. Reactjs Use Effects and UseRef
- Q2. JavaScript Closures,Map,CallBack
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.
(5 Questions)
- Q1. Caching Strategy
- Q2. What is micro Frontend architecture
- Ans.
Micro Frontend architecture is an approach to building front-end applications by breaking them down into smaller, independently deployable units.
Allows different teams to work on separate parts of the application
Each micro frontend can be developed using different technologies
Enables incremental upgrades and updates without affecting the entire application
Can improve performance by loading only the necessary components
...
- Q3. Pure and impure pipes in angular
- Ans.
Pure pipes in Angular are stateless and do not change the input data, while impure pipes can have side effects and change the input data.
Pure pipes are used for simple transformations like formatting dates or numbers.
Impure pipes are used for more complex transformations that require state or side effects.
Pure pipes are faster and more efficient as they only run when a pure change to the input data is detected.
Impure p...
- Q4. How to make singleton services multiton
- Ans.
Singleton services can be made multiton by maintaining a map of instances with unique keys.
Create a map to store instances with unique keys
Use a factory method to retrieve instances based on keys
Ensure that only one instance is created per key
- Q5. What is dependency injection
- Ans.
Dependency injection is a design pattern where components are given their dependencies rather than creating them internally.
Allows for easier testing by injecting mock dependencies
Promotes loose coupling between components
Improves code reusability and maintainability
Examples: AngularJS, Spring Framework
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Job Portal and was interviewed in Oct 2024. There were 2 interview rounds.
Javascript programming language
Javascript programming languge
Interview Preparation Tips
(1 Question)
- Q1. Array linked list queue
Front end Developer Interview Questions & Answers
Hexaware Technologies
Anonymous
posted on 18 Feb 2024
I applied via LinkedIn and was interviewed before Feb 2023. There were 3 interview rounds.
It was easy not that hard
Coding question were on medium level
(1 Question)
- Q1. Be prepared for project question
Front end Developer Interview Questions & Answers
Microsoft Corporation
tarandeep singh
posted on 11 May 2022
You will need to create a working web app in vanilla JS.
need to implement the following things.
1. Fetch data from given REST api
2. Display data in List. add some css to show different type of items.
3. Implement text filter and other types of filter.
All needs to be implemented in vanilla JS
(1 Question)
- Q1. Javascript concepts Web fundamentals Promise Pollyfill
(1 Question)
- Q1. System Design Round Design HLD/LLD for any game like chess/Snakes and ladder
- Ans.
Designing HLD/LLD for a game like chess or Snakes and Ladders
Identify the game rules and mechanics
Determine the game board and pieces
Create a data model for the game state
Implement game logic and rules using algorithms
Design user interface and user experience
Consider scalability and performance
Test and debug the game thoroughly
(1 Question)
- Q1. Hiring Manager round Asked to implement Dots and Square game
Interview Preparation Tips
Brush up your javascript skills
Interview Questionnaire
1 Question
- Q1. Basic coding questions and logical questions
Olive Crypto Systems Interview FAQs
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