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Idfy Senior Software Engineer Interview Questions and Answers
Idfy Senior Software Engineer Interview Experiences
1 interview found
Selected
I applied via Approached by Company and was interviewed before Sep 2023. There were 3 interview rounds.
DSA based round. Taken by external company. I would say to medium level questions asked.
(2 Questions)
- Q1. This was based on LLD.
- Q2. Why SQL and not NoSQL?
- Ans.
SQL is preferred for structured data, transactions, complex queries, and ACID compliance.
SQL is better for structured data and relationships between data.
SQL is preferred for transactions and ensuring data integrity.
SQL is more suitable for complex queries involving multiple tables.
SQL databases provide ACID compliance for data consistency and reliability.
(2 Questions)
- Q1. Past project experience with a Tech Lead.
- Ans.
Worked on a project with a Tech Lead to develop a new feature for a web application.
Collaborated closely with the Tech Lead to define project requirements and timelines
Received guidance and mentorship from the Tech Lead on best practices and coding standards
Participated in regular code reviews and discussions with the Tech Lead to ensure quality and consistency
Implemented feedback and suggestions provided by the Tech L
- Q2. More into the problems I have solved previously and the working culture discussion.
Interview Preparation Tips
- DSA
- LLD
- Past project
Skills evaluated in this interview
Senior Software Engineer Jobs at Idfy
Interview questions from similar companies
Senior Software Engineer Interview Questions & Answers
Moveinsync Technology Solutions
Anonymous
posted on 8 Jul 2024
I applied via Approached by Company and was interviewed in Jun 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Find in rotated sorted array
- Ans.
Search for a target value in a rotated sorted array.
Use binary search to find the pivot point where the array is rotated.
Determine which half of the array the target value lies in based on the pivot point.
Continue binary search in the appropriate half of the array to find the target value.
- Q2. Design IMDB. how will you manage concurrent ratings
- Ans.
Design IMDB with concurrent ratings management
Implement a locking mechanism to ensure only one user can update a rating at a time
Use a queue system to handle multiple rating requests in an orderly manner
Consider using distributed systems to handle high concurrency levels
(1 Question)
- Q1. Design vehicle rental system. Api design
- Ans.
Design a vehicle rental system API
Create endpoints for listing available vehicles, booking a vehicle, and returning a vehicle
Include authentication and authorization mechanisms for users and admins
Implement payment gateway integration for processing rental payments
Include features like vehicle search, filtering, and reviews/ratings
Consider scalability and performance optimizations for handling high traffic
Skills evaluated in this interview
Senior Software Engineer Interview Questions & Answers
Azuga Telematics
Vidhi Agarwal
posted on 7 Jul 2024
Selected
I applied via Naukri.com and was interviewed before Jul 2023. There were 2 interview rounds.
(1 Question)
- Q1. Design a paginated list of items, then improve efficiency
- Ans.
Design a paginated list of items and improve efficiency
Implement lazy loading to fetch data only when needed
Use caching to store previously fetched data for faster retrieval
Optimize database queries to reduce load times
(1 Question)
- Q1. Basics on Javascript, ReactJS
Skills evaluated in this interview
Senior Software Engineer Interview Questions & Answers
Global Edge Software
Anonymous
posted on 15 Dec 2021
I applied via Naukri.com and was interviewed in Nov 2021. There were 3 interview rounds.
Interview Questionnaire
7 Questions
- Q1. 1) What is volatile? 2) What is constant? 3) Can we use volatile and const at a time?4) What is ISR how it works?
- Ans.
Answers to questions related to software engineering concepts.
Volatile is a keyword used to indicate that a variable's value can be changed unexpectedly.
Constant is a keyword used to indicate that a variable's value cannot be changed once it is assigned.
Volatile and const can be used together to indicate that a variable's value cannot be changed and that it may change unexpectedly.
ISR stands for Interrupt Service Routi...
- Q2. What is pointer? Explain dangling pointer, null pointer, void pointer.
- Ans.
A pointer is a variable that stores the memory address of another variable. Dangling, null, and void pointers are types of pointers.
Dangling pointer: a pointer that points to a memory location that has been deallocated or freed
Null pointer: a pointer that does not point to any memory location
Void pointer: a pointer that has no specific data type and can point to any data type
- Q3. Storage classes explain all the storage classes in c.
- Ans.
Storage classes in C define the scope and lifetime of variables.
auto: default storage class for local variables
register: stores variables in CPU registers for faster access
static: retains value between function calls
extern: used to access global variables across multiple files
- Q4. Compilation stages.
- Q5. Projects done at previous company with clear explanation.
- Q6. CAN, SPI, I2C, UART differences.
- Q7. Explain CAN data frame.
- Ans.
CAN data frame is a message format used in Controller Area Network (CAN) protocol.
CAN data frame consists of 7 fields: Start of Frame (SOF), Arbitration ID, Control Bits, Data Length Code (DLC), Data Field, Cyclic Redundancy Check (CRC), and End of Frame (EOF).
The Arbitration ID field is used to identify the message priority and the source of the message.
The Data Field can contain up to 8 bytes of data.
The CRC field is...
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Jul 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. SQL Performance Tunning
Interview Preparation Tips
Software Developer Interview Questions & Answers
Signzy Technologies
Anonymous
posted on 15 Nov 2024
I applied via Referral and was interviewed in Oct 2024. There was 1 interview round.
(1 Question)
- Q1. Promises in javascript
- Ans.
Promises in JavaScript 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.
Skills evaluated in this interview
Anshit Raina
It was easy basic questions were there and we were asked to write two emails.
(2 Questions)
- Q1. Questions related to projects
- Q2. QBasic SQL questions
I applied via Company Website and was interviewed in Jan 2024. There were 3 interview rounds.
Online Coding Test on their platform
(1 Question)
- Q1. Which data structure would you use to find the topper of a college
- Ans.
Use a max heap data structure to find the topper of a college.
Max heap is a complete binary tree where the value of each node is greater than or equal to the values of its children.
Insert all students' scores into a max heap and then extract the top element to find the topper.
Example: If student A scored 90, student B scored 85, and student C scored 95, the max heap would have [95, 85, 90].
(1 Question)
- Q1. Questions on project
Skills evaluated in this interview
Selected
3 DSA questions on array and strings 1 easy, 2 medium level
Create django backend project for book store
(1 Question)
- Q1. Behaviour and Situations questions
It was a live coding round where expectation was to come up with a framework in Java from Scratch
(1 Question)
- Q1. It was a DS/Algo Round
(1 Question)
- Q1. Design Round in HLD
- Ans.
Design Round in HLD involves creating a high-level design for a software system.
Identify the main components of the system and their interactions
Define the architecture of the system including layers, modules, and interfaces
Consider scalability, performance, security, and maintainability
Use UML diagrams like class diagrams, sequence diagrams, and component diagrams
Document the design decisions and rationale
Skills evaluated in this interview
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