Upload Button Icon Add office photos

Filter interviews by

Clear (1)

Infinera Software Developer Interview Questions and Answers

Updated 14 Nov 2024

Infinera Software Developer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Nov 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Coding test on hackerrank

Round 2 - One-on-one 

(2 Questions)

  • Q1. Question on Tree
  • Q2. Asked to solve a few puzzles

Interview questions from similar companies

I was interviewed before Mar 2021.

Round 1 - Group Discussion 

Round duration - 15 minutes
Round difficulty - Easy

This was a group discussion round where we were divided into groups of 10 and we had 15 minutes for GD.

Round 2 - Face to Face 

(6 Questions)

Round duration - 60 minutes
Round difficulty - Medium

This is all about how good you are with the fundamentals. Out of 10 I would give it a 6.5 on difficulty.

  • Q1. 

    Reverse the String Problem Statement

    You are given a string STR which contains alphabets, numbers, and special characters. Your task is to reverse the string.

    Example:

    Input:
    STR = "abcde"
    Output:
    "e...
  • Ans. 

    Reverse a given string containing alphabets, numbers, and special characters.

    • Iterate through the string from the end to the beginning and append each character to a new string.

    • Use built-in functions like reverse() or StringBuilder in languages like Python or Java for efficient reversal.

    • Handle special characters and numbers while reversing the string.

    • Ensure to consider the constraints on the length of the string and the

  • Answered by AI
  • Q2. What is a deadlock?
  • Ans. 

    A deadlock is a situation in which two or more processes are unable to proceed because each is waiting for the other to release a resource.

    • Occurs in multitasking environments where processes compete for limited resources

    • Can be resolved using techniques like deadlock prevention, deadlock avoidance, and deadlock detection

    • Example: Process A holds Resource X and waits for Resource Y, while Process B holds Resource Y and wa

  • Answered by AI
  • Q3. What is a thread?
  • Ans. 

    A thread is a lightweight sub-process that allows concurrent execution within a single process.

    • Threads share the same memory space within a process.

    • Threads are used to achieve parallelism and improve performance.

    • Examples of threads include the main thread in a program and worker threads in a multi-threaded application.

  • Answered by AI
  • Q4. What is the difference between Multiprocessing and Multiprogramming?
  • Ans. 

    Multiprocessing involves multiple processors executing multiple tasks simultaneously, while multiprogramming involves multiple programs sharing a single processor by switching between them.

    • Multiprocessing utilizes multiple processors to execute multiple tasks concurrently.

    • Multiprogramming involves multiple programs sharing a single processor by switching between them.

    • Multiprocessing is more efficient in terms of perfor...

  • Answered by AI
  • Q5. Can you explain the process life cycle in an operating system?
  • Ans. 

    Process life cycle in an operating system involves creation, execution, termination, and resource management.

    • Creation: When a process is created, it is assigned a unique process ID and allocated necessary resources.

    • Execution: The process is then scheduled by the operating system to run on the CPU.

    • Termination: Once the process completes its task or is terminated by the user, it is removed from memory.

    • Resource Management...

  • Answered by AI
  • Q6. What are the differences between Windows XP and Windows 7?
  • Ans. 

    Windows XP and Windows 7 are both operating systems developed by Microsoft, but they have several key differences.

    • User interface: Windows 7 has a more modern and user-friendly interface compared to Windows XP.

    • Performance: Windows 7 is generally faster and more stable than Windows XP.

    • Security: Windows 7 has more advanced security features and updates compared to Windows XP.

    • Hardware support: Windows 7 supports newer hard...

  • Answered by AI
Round 3 - Face to Face 

(6 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical round with questions on DBMS and Networking mainly.

  • Q1. What is the difference between RDBMS and DBMS?
  • Ans. 

    RDBMS is a type of DBMS that stores data in a structured format with relationships between tables.

    • RDBMS enforces referential integrity and allows for normalization of data.

    • DBMS is a general term for any system that manages databases, while RDBMS specifically refers to relational databases.

    • Examples of RDBMS include MySQL, Oracle, and SQL Server.

    • Examples of DBMS include MongoDB and Redis.

  • Answered by AI
  • Q2. What is an Object-Oriented Database Management System (OODBMS)?
  • Ans. 

    An Object-Oriented Database Management System (OODBMS) is a type of database management system that supports the creation and management of objects in a database.

    • OODBMS stores data in the form of objects, which can contain attributes and methods.

    • It allows for complex data structures and relationships to be represented more easily.

    • Examples of OODBMS include db4o, ObjectDB, and ObjectStore.

  • Answered by AI
  • Q3. How do you find the number of unique values in a SQL database?
  • Ans. 

    Use the COUNT DISTINCT function in SQL to find the number of unique values in a database.

    • Use the COUNT DISTINCT function along with the column name to count the number of unique values in that column.

    • For example, SELECT COUNT(DISTINCT column_name) FROM table_name;

    • You can also use GROUP BY to find the number of unique values for multiple columns.

  • Answered by AI
  • Q4. What is the difference between a hub and a switch in networking?
  • Ans. 

    A hub operates at the physical layer and broadcasts data to all devices on the network, while a switch operates at the data link layer and forwards data only to the intended recipient.

    • Hub operates at the physical layer, while switch operates at the data link layer

    • Hub broadcasts data to all devices on the network, while switch forwards data only to the intended recipient

    • Switch is more efficient and secure compared to a

  • Answered by AI
  • Q5. Can you explain the different OSI layers?
  • Ans. 

    The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven different layers.

    • Physical Layer: Deals with the physical connection between devices. Example: Ethernet cables.

    • Data Link Layer: Responsible for node-to-node communication. Example: MAC addresses.

    • Network Layer: Manages routing of data packets. Example: IP addresses.

    • T...

  • Answered by AI
  • Q6. What are the different protocols supported at each OSI layer?
  • Ans. 

    Different protocols supported at each OSI layer

    • Layer 1 (Physical): Ethernet, Wi-Fi, Bluetooth

    • Layer 2 (Data Link): MAC, PPP, HDLC

    • Layer 3 (Network): IP, ICMP, ARP

    • Layer 4 (Transport): TCP, UDP, SCTP

    • Layer 5 (Session): NetBIOS, PPTP

    • Layer 6 (Presentation): SSL, TLS

    • Layer 7 (Application): HTTP, FTP, SMTP

  • Answered by AI
Round 4 - HR 

Round duration - 15 minutes
Round difficulty - Easy

IF you make it to the HR round you are selected. All 28 that attended got selected . It was more like stuff for formality. The usual questions.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAEricsson India interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPS, DBMS, OSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Preparation Tips

Skills: Networking, OS, Linux kernel
College Name: NA

Interview Questionnaire 

3 Questions

  • Q1. The questions primarily started with discussion on my internships and minor project
  • Q2. Many questions were asked about OOPs concepts like virtual function, multiple inheritance, function overloading etc you are supposed to define and implement all of them on paper
  • Q3. I was asked about my favorite subject, opted computer networks. So, was asked about computer networks basics like ISO OSI, virtual LANs, QoS, AdHoc networks, WiiMax and Wifi

Interview Preparation Tips

Round: Technical Interview
Experience: Technical continues for about 35 minutes, the questions primarily started with discussion on my internships and minor project.
Many questions were asked about OOPs concepts like virtual function, multiple inheritance, function overloading etc you are supposed to define and implement all of them on paper.
I was asked about my favorite subject, opted computer networks. So, was asked about computer networks basics like ISO OSI, virtual LANs, QoS, AdHoc networks, WiiMax and Wifi.

Round: HR Interview
Experience: I was primarily asked about my family background, likes, hobbies etc

College Name: NA

I applied via new era india and was interviewed before Dec 2021. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. Write a sample code using AngularJS
  • Ans. 

    Sample code using AngularJS

    • Create a module and controller

    • Bind data to HTML using directives

    • Use services for data retrieval and manipulation

    • Implement two-way data binding

    • Example: https://codepen.io/mohit-kumar/pen/ExjJzjM

  • Answered by AI
Round 3 - Behavioral 

(1 Question)

  • Q1. Why did you leave the previous company
Round 4 - HR 

(1 Question)

  • Q1. Why are you looking for a change?

Interview Preparation Tips

Interview preparation tips for other job seekers - Always keep abreast of the latest technologies in your field. For example, if you are a java developer/server-side programmer, don't get stuck with JSPs in today's world. Latest technologies like Springboot, serverless architecture, etc. are a must if you want to be considered. Similarly for Front end developers, latest angular/reactjs knowledge is a must apart from strong knowledge of javascript fundamentals, data structures, algorithms, etc. You can get through the HR policies are one of the best in the industry. Dont get mislead by others who say salary hikes are less. There are many other factors that make your life at Nokia one of the best. Atleast it was the best for me.

Skills evaluated in this interview

Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all Resume tips
Round 2 - Coding Test 

Sliding window, Two pointers, dynammic programming, Linked list, Trees.

Round 3 - Technical 

(1 Question)

  • Q1. Interview was easy only basic questions were asked based on programming, development.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(3 Questions)

  • Q1. 1) single linked list problem 2) substring matching
  • Ans. 

    The first question is about a single linked list problem, and the second question is about substring matching.

    • For the single linked list problem, you may need to implement operations like insertion, deletion, and traversal.

    • For substring matching, you can use algorithms like brute force, Knuth-Morris-Pratt, or Boyer-Moore.

    • Examples for the single linked list problem: reversing a linked list, finding the middle element, o...

  • Answered by AI
  • Q2. Single Linked list problem
  • Ans. 

    The question is about solving a problem related to single linked lists.

    • Understand the concept of a single linked list

    • Implement basic operations like insertion, deletion, and traversal

    • Consider edge cases like an empty list or a list with only one node

  • Answered by AI
  • Q3. String problem- substring matching

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Jul 2023. There were 5 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. Full technical Like from basic oops to extreme level like smarts Pointer and advance cpp concept
Round 3 - Technical 

(1 Question)

  • Q1. Programming question to slove and analytical questions. Coding questions and Domine Orient and project Orient
Round 4 - One-on-one 

(1 Question)

  • Q1. Manager round fully based on work experience
Round 5 - HR 

(1 Question)

  • Q1. Salary discussion and company policies very polite and friendly

Interview Preparation Tips

Topics to prepare for Nokia Software Developer interview:
  • C++
  • STL
  • Multithreading
Interview preparation tips for other job seekers - Be prepare and try
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Apr 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Two leetcode mediums, one on strings and the other is on trees

Round 2 - Technical 

(3 Questions)

  • Q1. Its a system design round on designing notification system
  • Q2. Evaluate pull vs push based system.
  • Ans. 

    Pull vs push based system refers to how data is transferred between components in a system.

    • Pull system involves the receiver requesting data from the sender when needed.

    • Push system involves the sender actively pushing data to the receiver without the receiver requesting it.

    • Pull systems are more efficient when the receiver does not need data constantly.

    • Push systems are more efficient when real-time data updates are requ...

  • Answered by AI
  • Q3. Which works when? Refer alexxu system design book
  • Ans. 

    The question is about understanding the timing and order of operations in a system.

    • Understanding the sequence of events in a system is crucial for ensuring proper functionality.

    • Timing considerations include when data is processed, when actions are triggered, and when resources are allocated.

    • Examples include knowing when to update a database record after receiving user input, or when to send a notification after a certa

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Reverse a linked list.
  • Q2. Merge sort on a array/
Contribute & help others!
anonymous
You can choose to be anonymous

Infinera Interview FAQs

How many rounds are there in Infinera Software Developer interview?
Infinera interview process usually has 2 rounds. The most common rounds in the Infinera interview process are Coding Test and One-on-one Round.
How to prepare for Infinera Software Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Infinera. The most common topics and skills that interviewers at Infinera expect are C++, Linux, Python, Software Development and C.
What are the top questions asked in Infinera Software Developer interview?

Some of the top questions asked at the Infinera Software Developer interview -

  1. Asked to solve a few puzz...read more
  2. Question on T...read more

Recently Viewed

SALARIES

Renesas Electronics India

LIST OF COMPANIES

Renesas Electronics India

Overview

INTERVIEWS

H&R Block

No Interviews

SALARIES

Renesas Electronics India

INTERVIEWS

BDO India LLP

No Interviews

INTERVIEWS

ValueLabs

No Interviews

LIST OF COMPANIES

Zessta Software Services

Overview

INTERVIEWS

Meesho

No Interviews

INTERVIEWS

Nvidia

No Interviews

INTERVIEWS

Qualcomm

No Interviews

Tell us how to improve this page.

Infinera Software Developer Interview Process

based on 2 interviews

Interview experience

4.5
  
Good
View more

Fast track your campus placements

View all
Infinera Software Developer Salary
based on 14 salaries
₹11 L/yr - ₹20 L/yr
101% more than the average Software Developer Salary in India
View more details

Infinera Software Developer Reviews and Ratings

based on 2 reviews

4.5/5

Rating in categories

4.0

Skill development

4.0

Work-life balance

4.0

Salary

4.0

Job security

4.5

Company culture

3.5

Promotions

3.5

Work satisfaction

Explore 2 Reviews and Ratings
Senior Software Engineer
30 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Senior Software Development Engineer
21 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Software Development Engineer II
20 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Staff Software Engineer
18 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Staff Engineer
18 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Explore more salaries
Compare Infinera with

Ciena

4.4
Compare

Cisco

4.1
Compare

Juniper Networks

4.2
Compare

Corning Technologies

4.4
Compare
Did you find this page helpful?
Yes No
write
Share an Interview