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Airtel Africa Lead Engineer Interview Questions and Answers

Updated 27 Sep 2022

Airtel Africa Lead Engineer Interview Experiences

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Lead Engineer Interview Questions & Answers

user image Anonymous

posted on 27 Sep 2022

I applied via Recruitment Consulltant and was interviewed before Sep 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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. Spark architecture Yarn Architecture map and reduce functions Python DS/Algo - leetcode easy to medium level.
  • Q2. Hive file formats - differences between row and columnar file format
  • Ans. 

    Row and columnar file formats in Hive differ in the way data is stored and accessed.

    • Row format stores data in a row-by-row manner, while columnar format stores data in a column-by-column manner.

    • Row format is suitable for OLTP workloads, while columnar format is suitable for OLAP workloads.

    • Columnar format allows for faster query performance and compression, while row format allows for faster inserts and updates.

    • Examples...

  • Answered by AI
Round 3 - Technical 

(2 Questions)

  • Q1. System Design and Architecture - design a data pipeline to ingest data from streaming sources
  • Ans. 

    Design a data pipeline to ingest data from streaming sources.

    • Identify the streaming sources and their data formats

    • Choose a streaming platform like Apache Kafka or AWS Kinesis

    • Design the pipeline architecture with data ingestion, processing, and storage components

    • Ensure scalability, fault-tolerance, and data consistency

    • Monitor and optimize the pipeline performance

  • Answered by AI
  • Q2. CV project discussion - includes data flow, data model, data pipeline. Coverage include - tech stack, programing language, limitations and drawbacks
Round 4 - One-on-one 

(1 Question)

  • Q1. Director round - fitment - professional and cultural

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Read Spark and Hadoop ecosystem.
2. remain hands-on on python and pyspark/scala.
3. know your project as Director round is also technical

Skills evaluated in this interview

Interview questions from similar companies

Interview Questionnaire 

4 Questions

  • Q1. Write a C code for printing Febonacci Series upto n elements
  • Ans. 

    C code for printing Fibonacci Series upto n elements

    • Declare three variables to store the current, previous and next numbers in the series

    • Initialize the previous and current variables to 0 and 1 respectively

    • Use a loop to print the next number in the series by adding the previous two numbers

    • Loop should run n times to print n elements in the series

  • Answered by AI
  • Q2. Question related to family background
  • Q3. What are your hobbies?
  • Q4. What are your strengths and weaknesses?

Interview Preparation Tips

Round: Test
Experience: Questions were from easy to moderate level. No negative marking, so attempt all.
Tips: Keep your mind open and practice aptitude problems on a daily basis.

Round: Group Discussion
Experience: There were 21 students selected out of which two teams of 10 and 11 students were formed. Both the groups were given a topic and each one of us had to express our views.
Tips: Don't get nervous, just speak whatever you think. Don't yell or speak at loudly, just keep calm and put your points forward.
Duration: 20 minutes

Round: Technical Interview
Experience: Apart from the above questions some puzzles and DBMS questions and a few basic C questions were also asked. We were given enough time to think and answer.
Tips: Do not be in a hurry. Think properly what you are going to say, whether it is right or not and then only answer.

Round: HR Interview
Experience: The HR round was a good one. He tried to test my thinking capabilities and reasoning capabilities
Tips: Answer every question honestly.

General Tips: All the four rounds were elimination rounds and the final result was announced based on cumulative performance. So, be patient and give your best.
Skill Tips: Try to answer every properly
Skills: IQ, Basic Coding Skills, Problem Solving Skills
College Name: NIT ALLAHABAD
Motivation: The company visited our college campus. Also, one of my relatives in in Ericsson at a very high  post and is quite happy working here.

Skills evaluated in this interview

I was interviewed in Mar 2017.

Interview Questionnaire 

8 Questions

  • Q1. Basics of networking
  • Q2. Data structures
  • Q3. Sql
  • Q4. Introduction
  • Q5. Final year project
  • Q6. Why should I hire you?
  • Ans. 

    I have the technical skills, experience, and passion to deliver high-quality software solutions.

    • I have a strong background in programming languages such as Java, Python, and C++.

    • I have experience working on complex software projects and collaborating with cross-functional teams.

    • I am passionate about staying up-to-date with the latest technologies and trends in software development.

    • I am a quick learner and have a strong...

  • Answered by AI
  • Q7. Why Ericsson?
  • Ans. 

    Ericsson is a global leader in telecommunications technology with a strong focus on innovation and career development.

    • Global leader in telecommunications technology

    • Strong focus on innovation

    • Opportunities for career development

  • Answered by AI
  • Q8. About relocation

Interview Preparation Tips

Round: Test
Experience: The test which I wrote was based on cocubes. quants was easy, one can easily score 50 percent if they refer rs agarwal and logical was easy but it takes more time and verbal was neither easy nor tough. One thing I want to advice try doing verbal first so that u can save time and then go to quant and logical. After the test we got the results out of 160 students 51 cleared the test. I was one among them.
Duration: 45 minutes
Total Questions: 45

Round: Technical Interview
Experience: Keep ur cool in the technical. people are friendly. Think before you answer twice they may ask u puzzles as well. So be prepared for it. Final year project is a must, they are gonna ask u the details how you implement stuffs in your project. After my technical out of 51 students around 30 cleared this round. I was one among them.

Round: HR Interview
Experience: Don't be scared guys. Hr is just a casual one. finally around 15 were selected from my college including me. I am very happy with the result. best of luck guys. Do well!!!
Tips: Keep your cool. stay confident that's all I can tell. Once you clear technical one can easily clear Hr round.

Skills: Communication, Technical Skill
College Name: JSS Academy of Technical Education - JSSATE

I applied via Naukri.com and was interviewed before Jun 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Linux servers questions, past experience tools amd technologies

Interview Preparation Tips

Interview preparation tips for other job seekers - They will ask many questions but work will something else.

I applied via Referral and was interviewed before May 2020. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. More on oops and design patterns

Interview Preparation Tips

Interview preparation tips for other job seekers - 4 rounds of interview
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Sep 2023. There were 2 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 

(2 Questions)

  • Q1. Apex coding admin trigger vf
  • Q2. Lwc aura admin flow

Interview Preparation Tips

Interview preparation tips for other job seekers - Be yourself
Interview experience
2
Poor
Difficulty level
Easy
Process Duration
2-4 weeks
Result
No response

I was interviewed in Apr 2024.

Round 1 - Technical 

(1 Question)

  • Q1. Oops, design pattern, spring
Round 2 - Technical 

(1 Question)

  • Q1. Abstract ans interface, singleton design pattern, oops
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Apr 2024. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Core Java concepts, oops fundamental, cloud, stream api, java 8 features, hashmap how it works, equals override contract
Round 2 - One-on-one 

(1 Question)

  • Q1. Java 8, multi threading, why lazy evaluation in stream api, internal working of hash map, overloading, overriding
Round 3 - Behavioral 

(1 Question)

  • Q1. Java basics prepare well
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Mar 2024. There were 2 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. What did you study?
  • Ans. 

    I studied Computer Science with a focus on software engineering.

    • Bachelor's degree in Computer Science

    • Courses in software engineering, algorithms, data structures

    • Projects involving coding, testing, and debugging

    • Internships or work experience in software development

    • Continuing education or certifications in relevant technologies

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. What are pointers?
  • Ans. 

    Pointers are variables that store memory addresses of other variables in programming languages.

    • Pointers allow direct access to memory locations

    • They are used for dynamic memory allocation

    • Pointers can be used to pass variables by reference

    • Example: int *ptr; ptr = # // ptr now points to the memory address of num

  • Answered by AI
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
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 tips
Round 2 - HR 

(2 Questions)

  • Q1. Clasicul questions, Like where you SEE in 5 years
  • Q2. How much money you want for this position

Interview Preparation Tips

Interview preparation tips for other job seekers - Preapare good for the coding interview. Maybe some leetcode, geek for grele, studiu Algoritms And complexity

Airtel Africa Interview FAQs

How many rounds are there in Airtel Africa Lead Engineer interview?
Airtel Africa interview process usually has 4 rounds. The most common rounds in the Airtel Africa interview process are Technical, Resume Shortlist and One-on-one Round.
What are the top questions asked in Airtel Africa Lead Engineer interview?

Some of the top questions asked at the Airtel Africa Lead Engineer interview -

  1. Hive file formats - differences between row and columnar file for...read more
  2. System Design and Architecture - design a data pipeline to ingest data from str...read more
  3. CV project discussion - includes data flow, data model, data pipeline. Coverage...read more

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Airtel Africa Lead Engineer Salary
based on 18 salaries
₹27 L/yr - ₹36 L/yr
90% more than the average Lead Engineer Salary in India
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Airtel Africa Lead Engineer Reviews and Ratings

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2.1/5

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