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Sigmoid
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Sigmoid Software Engineer Interview Questions and Answers
Sigmoid Software Engineer Interview Experiences
3 interviews found
Anonymous
1 coding question, and basic MCQ
Two easy questions two wasy questions two easy questions two easy questions
(2 Questions)
- Q1. Technical interviews was very easy techijcal interviews was very easy very easy very easy
- Q2. Interviews was conducted in advance of a news conference in the United Kingdom and the European government on Tuesday
Interview Preparation Tips
I applied via Referral and was interviewed in Aug 2021. There was 1 interview round.
Interview Questionnaire
3 Questions
- Q1. Find k min elements in given array.
- Ans.
Find k min elements in given array.
Sort the array and return the first k elements.
Use a min heap of size k to find the k min elements.
Use quickselect algorithm to find the kth smallest element and return first k elements smaller than it.
- Q2. Find that given tree is BST or not.
- Ans.
Check if a given tree is a Binary Search Tree (BST) or not.
Traverse the tree in-order and check if the elements are in ascending order.
Check if the maximum value in the left subtree is less than the root and the minimum value in the right subtree is greater than the root.
Use recursion to check if all subtrees are BSTs.
Time complexity: O(n), Space complexity: O(h) where h is the height of the tree.
- Q3. Find pair in BST with given sum
- Ans.
Given a BST and a sum, find a pair of nodes whose values add up to the given sum.
Traverse the BST in-order and store the nodes in a list
Use two pointers approach to find the pair with the given sum
If the sum is less than the current pair, move the right pointer to the left
If the sum is greater than the current pair, move the left pointer to the right
If the sum is equal to the current pair, return the pair
Time complexit...
Interview Preparation Tips
2 technical round ( DS Algo)
1 managerial round ( General past working experiences questions)
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Approached by Company and was interviewed before Jul 2021. There was 1 interview round.
(1 Question)
- Q1. How would you write a REST API from scratch? Explain your role in the project.
- Ans.
To write a REST API from scratch, I would follow these steps:
Define the resources and endpoints
Choose a programming language and framework
Implement CRUD operations for each resource
Use HTTP methods and status codes correctly
Add authentication and authorization
Test the API using tools like Postman
Document the API using tools like Swagger
Interview Preparation Tips
Skills evaluated in this interview
Interview Preparation Tips
Interview Questionnaire
2 Questions
- Q1. What do you know about our company?
- Q2. Are you interested in higher Education?
- Ans.
I value higher education for its role in personal growth and professional development in the tech industry.
Higher education provides in-depth knowledge in specialized areas, such as machine learning or cybersecurity.
It offers networking opportunities with peers and industry professionals, which can lead to collaborations and job opportunities.
Pursuing advanced degrees, like a Master's in Computer Science, can enhance c...
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
(1 Question)
- Q1. Explain fail fast and fail safe iterator in Java
Interview Preparation Tips
- Java
- Cloud
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Oct 2021. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Basic to advanced JavaScript concepts, OOPS and data structures
- Q2. Writing live code for the problems given during the interview rounds
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Mar 2024. There were 2 interview rounds.
(1 Question)
- Q1. All questions based on your resume and recent project you have done including OOPS concept, MVC , Design patterns, SOLID principles
(1 Question)
- Q1. Here test the communications, problem solving skills, Decision making skill, Situation handle, conflict management
Selected
I applied via Campus Placement and was interviewed before May 2023. There were 2 interview rounds.
It is pretty good only.
(3 Questions)
- Q1. Asked about all the basics question,alogirthm,programs
- Q2. Basic Coding questions like prime number
- Q3. Acid Properties
- Ans.
ACID properties are a set of properties that guarantee database transactions are processed reliably.
Atomicity: Transactions are either fully completed or fully aborted.
Consistency: Database remains in a consistent state before and after the transaction.
Isolation: Transactions are isolated from each other until they are completed.
Durability: Once a transaction is committed, changes are permanent.
Example: Transfer of fun...
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Overall Interview Experience Rating
based on 1 interview experience
Software Engineer Interview Questions from Similar Companies
Sigmoid Software Engineer Reviews and Ratings
based on 3 reviews
Rating in categories
|
Software Development Engineer II
114
salaries
|  ₹14.8 L/yr - ₹24 L/yr |
|
Data Engineer
94
salaries
| ₹13 L/yr - ₹21.8 L/yr |
|
Senior Data Scientist
68
salaries
| ₹17 L/yr - ₹28.5 L/yr |
|
Data Scientist
63
salaries
| ₹11 L/yr - ₹20 L/yr |
|
Senior Data Analyst
51
salaries
| ₹15.8 L/yr - ₹25 L/yr |
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