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Infinera Interview Questions and Answers for Experienced

Updated 14 Nov 2024

Infinera Interview Experiences for Experienced

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5 interviews found

SDE Interview Questions & Answers

user image Anonymous

posted on 18 Apr 2024

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

(1 Question)

  • Q1. The asked some C++ question, and one DSA question
Round 2 - One-on-one 

(1 Question)

  • Q1. They asked C++ question in very deep dive

SDE Interview Questions asked at other Companies

Q1. Return Subsets Sum to K Problem Statement Given an integer array 'ARR' of size 'N' and an integer 'K', return all the subsets of 'ARR' which sum to 'K'. Explanation: A subset of an array 'ARR' is a tuple that can be obtained from 'ARR' by r... read more
View answer (1)
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Grid reversal in cpp
  • Ans. 

    Grid reversal in cpp involves reversing the order of elements in a 2D grid.

    • Use nested loops to iterate through rows and columns of the grid

    • Swap elements at opposite ends of each row to reverse the order

    • Repeat the process for each row to fully reverse the grid

  • Answered by AI
  • Q2. Kernel level questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Overall there was 5 technical rounds about cpp Linux Kernel .
After successfully completing all the rounds they don’t respond. They conduct fake interviews

Skills evaluated in this interview

Senior Leader Engineer Interview Questions asked at other Companies

Q1. If a subordinate does not listen to you what steps can you take.
View answer (1)
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. OOPs and Hashing related questions

Software Engineer Intern Interview Questions asked at other Companies

Q1. Check if Two Trees are Mirror Given two arbitrary binary trees, your task is to determine whether these two trees are mirrors of each other. Explanation: Two trees are considered mirror of each other if: The roots of both the trees are the... read more
View answer (1)
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Jun 2022. There were 3 interview rounds.

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 tips
Round 2 - One-on-one 

(1 Question)

  • Q1. Interview question will be based on your resume and current role related only apart from they will ask cross questions that’s it it will 2 round off interview.
Round 3 - One-on-one 

(1 Question)

  • Q1. Same like first roun,however they will not go through in depth if you selected first round

Interview Preparation Tips

Interview preparation tips for other job seekers - Here there is no proper KT here no scope for next level and no internal movement and employer PF balance deducted from employee

Senior Analyst Interview Questions asked at other Companies

Q1. Explain 3 statement financial model Calculating discount rate Could you walk me through the DCF model? Other valuation methods. What PE is ideal? What is the other matrix to value the company? Difference between IRR and CAGR. What is Bond Y... read more
View answer (1)

Infinera interview questions for popular designations

 Software Development Engineer 1

 (1)

 Senior Engineer

 (1)

 Senior Analyst

 (1)

 Software Developer

 (1)

 Software Engineer Intern

 (1)

 Architect

 (1)

 Senior Leader Engineer

 (1)

 Network Engineer NOC

 (1)

I applied via Monster and was interviewed before Oct 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Networking fundamental and alarm Monitoring and types of alarms and troubleshooting.
  • Q2. Follow up and ITIL process.
  • Q3. Escalations matrix.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be clear with fundamentals and related terms.

Interview questions from similar companies

I appeared for an interview before May 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

It was in the morning. Because of covid test was from home. We had 50 MCQ and 1 coding question. The coding question was pretty easy. MCQ were mixed, we even had questions from machine learning.

  • Q1. 

    Maximum Path Sum Between Two Leaves

    Given a non-empty binary tree where each node has a non-negative integer value, determine the maximum possible sum of the path between any two leaves of the given tree.

    ...
  • Ans. 

    Find the maximum path sum between two leaf nodes in a binary tree.

    • Traverse the tree to find the maximum path sum between two leaf nodes

    • Consider both cases where the path passes through the root and where it doesn't

    • Keep track of the maximum sum while traversing the tree

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 60 minutes
Round difficulty - Medium

Interview round. Questions were based on projects, database and one coding question

  • Q1. 

    Longest Subarray Zero Sum Problem Statement

    Given an array of integers arr, determine the length of the longest contiguous subarray that sums to zero.

    Input:

    N (an integer, the length of the array)
    arr (...
  • Ans. 

    Find the length of the longest contiguous subarray that sums to zero in an array of integers.

    • Use a hashmap to store the cumulative sum and its corresponding index.

    • Iterate through the array, updating the sum and checking if the current sum exists in the hashmap.

    • If the sum exists in the hashmap, update the maximum length of subarray with sum zero.

    • Return the maximum length of subarray with sum zero.

  • Answered by AI
Round 3 - Telephonic Call 

Round duration - 40 minutes
Round difficulty - Easy

Managerial round. Was asked questions on projects and management

Round 4 - HR 

Round duration - 10 minutes
Round difficulty - Easy

HR just asked about basic stuffs and all. Nothing technical

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaAbove 7 CGOACisco interview preparation:Topics to prepare for the interview - Data structures, Computer Networking, DBMS, College projects, C++Time required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Practice leetcode questions
Tip 2 : Be very well aware of the projects
Tip 3 : Stay calm

Application resume tips for other job seekers

Tip 1 : Don't use fancy colour
Tip 2 : Write more about stuffs which you are confident like projects or any tech

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Company Website and was interviewed in Aug 2020. There was 1 interview round.

Interview Questionnaire 

8 Questions

  • Q1. Tell me about yourself?
  • Q2. Why do you want to relocate from Singapore to India. What is your salary expectation?
  • Q3. Why do you want to move from Commodity management where you have got more direct control over procurement decisions, into a procurement analytics role where you can only influence indirectly?
  • Q4. How did you build a sourcing strategy, what were the steps?
  • Ans. 

    To build a sourcing strategy, I followed these steps:

    • Identified the business needs and goals

    • Conducted market research to identify potential suppliers

    • Evaluated supplier capabilities and performance

    • Negotiated contracts and pricing

    • Developed a supplier relationship management plan

    • Monitored supplier performance and made adjustments as needed

  • Answered by AI
  • Q5. Are you comfortable with Bengaluru?
  • Q6. What is the total spend in your team and how much did you manage?
  • Q7. Can you mention the biggest bid you conducted and what was the outcome?
  • Ans. 

    I led a bid for a software implementation project worth $5 million, resulting in a successful contract with a major client.

    • Led bid for $5 million software implementation project

    • Negotiated contract terms with major client

    • Ensured project met client's requirements and deadlines

  • Answered by AI
  • Q8. Will you need relocation compensation?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be honest as much as possible. Confidence is key, even if you aren't able to recollect a number or you update wrongly, dont just stumble try to move on quickly. Make it interactive and converse rather than making it a question-answer session.

I applied via Naukri.com and was interviewed in Mar 2021. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Question were fairly technical.

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on the basics , work on the project and be clear about that.

I applied via Naukri.com and was interviewed before Dec 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. What is OOPs concept?
  • Ans. 

    OOPs concept stands for Object-Oriented Programming concepts which includes encapsulation, inheritance, polymorphism, and abstraction.

    • Encapsulation is the process of hiding the implementation details from the user.

    • Inheritance allows a class to inherit properties and methods from another class.

    • Polymorphism allows objects to take on multiple forms or behaviors.

    • Abstraction is the process of hiding unnecessary details from

  • Answered by AI
  • Q2. What is lazy loading?
  • Ans. 

    Lazy loading is a technique used to defer the loading of non-critical resources until they are needed.

    • It improves page load time and performance.

    • It is commonly used for images, videos, and other media files.

    • It can be implemented using JavaScript libraries like LazyLoad or Intersection Observer API.

    • Lazy loading can also be used for modules and components in web applications.

    • It helps to reduce the initial load time of th

  • Answered by AI
  • Q3. What is eager loading?
  • Ans. 

    Eager loading is a technique used in software development to load related data in advance to avoid multiple database queries.

    • Eager loading is used to optimize database queries and improve performance.

    • It loads all the required data in a single query instead of making multiple queries.

    • It is commonly used in Object-Relational Mapping (ORM) frameworks like Hibernate, Entity Framework, etc.

    • Eager loading can be used with var...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Clearing Test is the key

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Oct 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. All about Linux..basic Linux.. listing file's.. searching pattern..NFS..lvm.. samba..iscsi..docker.. kubernets..

Interview Preparation Tips

Interview preparation tips for other job seekers - Just prepare from basic

Infinera Interview FAQs

How many rounds are there in Infinera interview for experienced candidates?
Infinera interview process for experienced candidates usually has 1-2 rounds. The most common rounds in the Infinera interview process for experienced candidates are One-on-one Round, Technical and Resume Shortlist.
How to prepare for Infinera interview for experienced candidates?
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 Python, Troubleshooting, Agile, Telecom and C++.
What are the top questions asked in Infinera interview for experienced candidates?

Some of the top questions asked at the Infinera interview for experienced candidates -

  1. Grid reversal in ...read more
  2. Same like first roun,however they will not go through in depth if you selected ...read more
  3. Interview question will be based on your resume and current role related only a...read more

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Infinera Interview Process for Experienced

based on 4 interviews

Interview experience

3.5
  
Good
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Infinera Reviews and Ratings

based on 74 reviews

4.1/5

Rating in categories

3.9

Skill development

4.2

Work-life balance

4.0

Salary

3.8

Job security

4.2

Company culture

3.6

Promotions

3.9

Work satisfaction

Explore 74 Reviews and Ratings
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