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Sigmoid Interview Questions, Process, and Tips
Top Sigmoid Interview Questions and Answers
- Q1. Given a non-decreasing array, how can I determine the indices of an element X within it? If the element is not present, the output should be [-1, -1]. For example, for th ...read moreasked in Senior Data Engineer interview
- Q2. Next Greater Element Problem Statement You are given an array arr of length N . For each element in the array, find the next greater element (NGE) that appears to the ri ...read moreasked in Data Engineer interview
- Q3. Given a binary string,find out the max length of substring having equal number of 1 and 0asked in Software Development Engineer II interview
Sigmoid Interview Experiences
60 interviews found
Anonymous
Selected
Consist of 2 coding questions, multiple choice of around 30 question including, math, code, logic and core concepts.
1 hr of coding test mostly on leetcode platform. level : Hard
(1 Question)
- Q1. Db related question
(1 Question)
- Q1. Why this company?
- Ans.
I am impressed by the company's innovative products, strong company culture, and opportunities for growth.
Innovative products: I am excited about the cutting-edge technology and solutions the company is developing.
Strong company culture: I have heard great things about the supportive and collaborative work environment at the company.
Opportunities for growth: The company's commitment to employee development and career a...
Top Sigmoid Software Development Engineer II Interview Questions and Answers
Software Development Engineer II Interview Questions asked at other Companies
Selected
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. DSA Next Greater element 2 Cycle in Linked List and if cycle remove it Best time to buy and sell stocks Coin Change
- Ans.
Key DSA problems: Next Greater Element, Cycle in Linked List, Stock Trading, and Coin Change.
Next Greater Element: Find the next greater number for each element in an array. Example: For [4, 5, 2, 10], result is [5, 10, 10, -1].
Cycle in Linked List: Detect and remove a cycle using Floyd's Tortoise and Hare algorithm. If a cycle exists, find the start and remove it.
Best Time to Buy and Sell Stocks: Maximize profit by fi...
- Q2. Pyspark Optimisation techniques Wide and Narrow Transportmations Application Master
- Q3. SQL Top 3 salaries per department Total working hours for an employee
Software Developer Interview Questions asked at other Companies
I applied via Campus Placement and was interviewed in Nov 2024. There were 3 interview rounds.
2 coding problem 1)NSE
This is again a coding round 1) boundary traversal of binary tree and 2)Rotten Oranges
(2 Questions)
- Q1. About project which I have done
- Q2. 2 DSA problem of linked list
Interview Preparation Tips
Data Engineer 1 Interview Questions asked at other Companies
(2 Questions)
- Q1. What is Data science?
- Ans.
Data science is a field that uses scientific methods, algorithms, and systems to extract knowledge and insights from structured and unstructured data.
Data science involves collecting, analyzing, and interpreting large amounts of data to solve complex problems.
It combines statistics, machine learning, and domain knowledge to make predictions and decisions.
Data scientists use programming languages like Python and R, as w...
- Q2. What is Decision Tree
- Ans.
A decision tree is a flowchart-like structure in which each internal node represents a test on an attribute, each branch represents the outcome of the test, and each leaf node represents a class label.
Decision trees are a popular machine learning algorithm used for classification and regression tasks.
They are easy to interpret and visualize, making them useful for understanding the decision-making process.
Each internal...
(2 Questions)
- Q1. Case study based on Customer Churn
- Q2. Resume based project question
Skills evaluated in this interview
Associate Engineer Interview Questions asked at other Companies
Sigmoid interview questions for popular designations
I applied via Referral and was interviewed in Aug 2024. There were 2 interview rounds.
Topics like sql, python, aptitude were covered.
(1 Question)
- Q1. Questions from stats, machine learning were asked. Behavioral questions were also covered.
Interview Preparation Tips
Data Science Intern Interview Questions asked at other Companies
Get interview-ready with Top Sigmoid Interview Questions
I applied via Campus Placement
General Aptitude test and 3 Medium level coding questions
(2 Questions)
- Q1. Sortr an array of 0,1
- Ans.
Sort an array of 0s and 1s
Use a sorting algorithm like counting sort or two-pointer approach
Count the number of 0s and 1s and then reconstruct the array
Example: Input array = ['0', '1', '0', '1', '1'], Output array = ['0', '0', '1', '1', '1']
- Q2. Matrix traversal in spiral Manner
- Ans.
Matrix traversal in spiral manner involves visiting each element of a matrix in a spiral order.
Start by traversing the outermost layer of the matrix from top left to top right, then top right to bottom right, bottom right to bottom left, and finally bottom left to top left.
Continue this process for the inner layers until all elements are visited.
Keep track of the boundaries of the matrix to know when to switch directio
Skills evaluated in this interview
Top Sigmoid Data Engineer Interview Questions and Answers
Data Engineer Interview Questions asked at other Companies
Jobs at Sigmoid
Selected
Questions on Trees, Sorting
(1 Question)
- Q1. High Level System Design
- Ans.
High level system design involves creating an overview of the architecture and components of a software system.
Identify the main components of the system
Define the interactions between components
Consider scalability and performance requirements
Choose appropriate technologies and frameworks
Create a diagram to visualize the system architecture
(1 Question)
- Q1. Basic HR questions
Skills evaluated in this interview
Lead Software Engineer Interview Questions asked at other Companies
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
Simple Aptitude questions, Data interpretation and verbal
(3 Questions)
- Q1. Basic questions on Data Analytics, Projects mentioned
- Q2. Code in SQL and python(moderate)
- Ans.
The candidate is asked to code in SQL and Python at a moderate level.
Use SQL to query data from databases
Use Python to manipulate and analyze data
Practice writing SQL queries and Python scripts
- Q3. Machine Learning
Data Scientist Interview Questions asked at other Companies
Selected
I applied via Campus Placement and was interviewed in Nov 2024. There was 1 interview round.
Topics advance mathematics and electronics
Interview Preparation Tips
Production Graduate Engineer Trainee Interview Questions asked at other Companies
(2 Questions)
- Q1. Valid parentheses
- Q2. Currying with arrow function
- Ans.
Currying is a technique in functional programming where a function with multiple arguments is transformed into a sequence of nested functions, each taking a single argument.
Currying can be achieved using arrow functions in JavaScript.
Arrow functions automatically bind 'this' and do not have their own 'this' value.
Example: const add = a => b => a + b;
Example: const addFive = add(5); const result = addFive(3); // result
(2 Questions)
- Q1. DFS related problem
- Q2. Machine coding round
Interview Preparation Tips
Skills evaluated in this interview
Software Developer Interview Questions asked at other Companies
Sigmoid Interview FAQs
Some of the top questions asked at the Sigmoid interview -
The duration of Sigmoid interview process can vary, but typically it takes about less than 2 weeks to complete.
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Sigmoid Interviews By Designations
- Sigmoid Software Developer Interview Questions
- Sigmoid Data Engineer Interview Questions
- Sigmoid Software Development Engineer II Interview Questions
- Sigmoid Data Scientist Interview Questions
- Sigmoid Sde1 Interview Questions
- Sigmoid Software Engineer Interview Questions
- Sigmoid Senior Data Engineer Interview Questions
- Sigmoid Devops Engineer Interview Questions
- Show more
Interview Questions for Popular Designations
Sigmoid Interview Process
based on 64 interviews
Interview experience
Interview Questions from Similar Companies
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Sigmoid Reviews and Ratings
based on 130 reviews
Rating in categories
10-18 Yrs
Not Disclosed
15-22 Yrs
Not Disclosed
6-10 Yrs
Not Disclosed
|
Software Development Engineer II
90
salaries
|  ₹15 L/yr - ₹23 L/yr |
|
Data Engineer
62
salaries
| ₹6.5 L/yr - ₹25 L/yr |
|
Data Scientist
58
salaries
| ₹7.2 L/yr - ₹24 L/yr |
|
Software Developer
53
salaries
| ₹13 L/yr - ₹22 L/yr |
|
Software Development Engineer
42
salaries
| ₹13.2 L/yr - ₹19.4 L/yr |
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