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Convin Backend Developer Interview Questions and Answers
Convin Backend Developer Interview Experiences
1 interview found
Anonymous
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I applied via Approached by Company and was interviewed before Oct 2023. There were 4 interview rounds.
(1 Question)
- Q1. Nothing technical but just asked if i know django and python
(3 Questions)
- Q1. About dsa like sorting algorithm
- Q2. Indexing in databases
- Ans.
Indexing in databases improves query performance by allowing faster retrieval of data.
Indexes are data structures that improve the speed of data retrieval operations on a database table.
They work by creating a sorted list of specific columns in a table, allowing the database to quickly locate the rows that match a query.
Examples of indexes include primary keys, unique keys, and composite indexes.
Indexes can be created ...
- Q3. Multithreading and multiprocessing
(4 Questions)
- Q1. Projects i did, in different orgs
- Ans.
I have worked on various projects in different organizations, showcasing my versatility and adaptability.
Developed a customer management system for a retail company, improving efficiency and customer satisfaction.
Implemented a data analytics platform for a marketing agency, enabling data-driven decision making.
Collaborated on a team to create a real-time messaging application for a tech startup, enhancing communication
- Q2. Notifications system
- Q3. Different datastructures and indexing problems and there solution
- Ans.
Different data structures like arrays, linked lists, trees, graphs, and their indexing problems and solutions.
Arrays: indexing is O(1), but insertion/deletion at arbitrary position is O(n)
Linked Lists: indexing is O(n), but insertion/deletion at arbitrary position is O(1)
Trees: indexing depends on the type of tree (e.g. binary search tree, AVL tree)
Graphs: indexing can be done using adjacency lists or matrices
Hash Tabl...
- Q4. Merge sort code
(1 Question)
- Q1. Os cn and memory allocation related questions
Skills evaluated in this interview
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I was interviewed in Mar 2024.
You will get an assignment with an unrealistic deadline of 3 days within workdays only. github.com/wasserstoff-india Vision Mark Annotation suite repository
(1 Question)
- Q1. Set up an express app with Typescript.
- Ans.
Setting up an express app with Typescript
Install necessary dependencies: npm install express @types/express typescript @types/node
Create a tsconfig.json file with necessary configurations
Set up your express app in a TypeScript file
Interview Preparation Tips
No proper/structured processes and no best practices are being followed within the company. I could easily judge this because on asking the interviewer, he told me that there aren't any starter kits/boilerplates and you will be asked to set up a new one for each project within 5 minutes. From this, you can judge how things are being handled within the company and what will be your career growth graph.
You can attempt the assignment but my advice would be never join this company.
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed in May 2024. There was 1 interview round.
(1 Question)
- Q1. Median of a stream
- Ans.
Finding the median of a stream of numbers as they are received
Keep track of the numbers in a sorted data structure like a min heap and max heap
Maintain balance between the two heaps to efficiently find the median
If the total number of elements is odd, median is the middle element. If even, median is the average of two middle elements
Skills evaluated in this interview
I was interviewed in Mar 2024.
You will get an assignment with an unrealistic deadline of 3 days within workdays only. github.com/wasserstoff-india Vision Mark Annotation suite repository
(1 Question)
- Q1. Set up an express app with Typescript.
- Ans.
Setting up an express app with Typescript
Install necessary dependencies: npm install express @types/express typescript @types/node
Create a tsconfig.json file with necessary configurations
Set up your express app in a TypeScript file
Interview Preparation Tips
No proper/structured processes and no best practices are being followed within the company. I could easily judge this because on asking the interviewer, he told me that there aren't any starter kits/boilerplates and you will be asked to set up a new one for each project within 5 minutes. From this, you can judge how things are being handled within the company and what will be your career growth graph.
You can attempt the assignment but my advice would be never join this company.
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed in May 2024. There was 1 interview round.
(1 Question)
- Q1. Median of a stream
- Ans.
Finding the median of a stream of numbers as they are received
Keep track of the numbers in a sorted data structure like a min heap and max heap
Maintain balance between the two heaps to efficiently find the median
If the total number of elements is odd, median is the middle element. If even, median is the average of two middle elements
Skills evaluated in this interview
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Convin Backend Developer Reviews and Ratings
based on 1 review
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|  ₹8 L/yr - ₹21 L/yr |
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