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Ericsson Software Developer Interview Questions, Process, and Tips

Updated 5 Dec 2024

Top Ericsson Software Developer Interview Questions and Answers

  • 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: I ...read more
  • Q2. How do you find the number of unique values in a SQL database?
  • Q3. Can you explain the process life cycle in an operating system?
View all 16 questions

Ericsson Software Developer Interview Experiences

11 interviews found

Software Developer Interview Questions & Answers

user image Jack Sparrow

posted on 14 Aug 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is method overloading and overriding
  • Ans. 

    Method overloading is when multiple methods have the same name but different parameters. Method overriding is when a subclass provides a specific implementation of a method that is already provided by its superclass.

    • Method overloading allows a class to have multiple methods with the same name but different parameters.

    • Method overriding occurs in a subclass when a method has the same name, return type, and parameters as ...

  • Answered by AI
  • Q2. Program to swap two variables without using third
  • Ans. 

    Swapping two variables without using a third variable

    • Use XOR operation to swap two variables without using a third variable

    • Example: a = 5, b = 10; a = a ^ b; b = a ^ b; a = a ^ b; // Now a = 10, b = 5

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Why you want to join this organization
  • Ans. 

    I am impressed by the organization's innovative projects and collaborative work culture.

    • Impressed by innovative projects

    • Attracted to collaborative work culture

    • Excited about potential for growth and learning opportunities

  • Answered by AI
  • Q2. What is your weakness and strength
  • Ans. 

    My weakness is overthinking and my strength is attention to detail.

    • Weakness: tend to overthink situations, which can lead to indecision or unnecessary stress

    • Strength: strong attention to detail, ensuring accuracy and quality in my work

    • Example: I sometimes spend too much time analyzing a problem before taking action, but I have learned to set deadlines for myself to prevent this from affecting my productivity

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Basic programming and its easy only

Round 2 - Technical 

(1 Question)

  • Q1. Based on data structure

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare based on job description

Software Developer Interview Questions Asked at Other Companies

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Q1. Maximum Subarray Sum Problem Statement Given an array of integers ... read more
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Q2. Minimum Number of Platforms Needed Problem Statement You are give ... read more
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Q3. Merge Two Sorted Arrays Problem Statement Given two sorted intege ... read more
asked in Cognizant
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Q5. Find Duplicate in Array Problem Statement You are provided with a ... read more
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Dec 2023. There were 2 interview rounds.

Round 1 - HR 

(2 Questions)

  • Q1. What is your background
  • Q2. What is your skillset
Round 2 - Coding Test 

Codility for sorting, debugging and builidng a simple application

Interview Preparation Tips

Interview preparation tips for other job seekers - take time to resolve problem but not get stuck on one question
Interview experience
3
Average
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Mar 2023. There were 3 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 - Aptitude Test 

There was a lot of typical hr questions. Such as your salary preference and what is your biggest weakness.

Round 3 - Coding Test 

They asked HOG PUF question. It was a very easy question

Interview Preparation Tips

Interview preparation tips for other job seekers - Just answer all the questions very well and you will have a good result

Ericsson interview questions for designations

 Senior Software Developer

 (5)

 Developer

 (2)

 Software Engineer

 (14)

 Java Developer

 (2)

 RPA Developer

 (1)

 Salesforce Developer

 (1)

 Senior Software Engineer

 (5)

 Associate Software Engineer

 (4)

Software Developer Interview Questions & Answers

user image Prankur Gupta

posted on 24 Sep 2024

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

I applied via Naukri.com and was interviewed before Sep 2023. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Hashmap implementation
  • Ans. 

    Hashmap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.

    • Hashmap uses a hash function to map keys to indices in an array.

    • Collision handling is important in hashmap implementation.

    • Java's HashMap class is a popular implementation of hashmap.

    • Example: HashMap map = new HashMap<>();

  • Answered by AI
  • Q2. Testing regarding Junits
Round 2 - HR 

(2 Questions)

  • Q1. Next five year goals
  • Ans. 

    To become a senior software developer, gain expertise in new technologies, contribute to open source projects, and mentor junior developers.

    • Become a senior software developer

    • Gain expertise in new technologies

    • Contribute to open source projects

    • Mentor junior developers

  • Answered by AI
  • Q2. Agile methodologies

Interview Preparation Tips

Interview preparation tips for other job seekers - Its medium and interviewers are friendly

Skills evaluated in this interview

Get interview-ready with Top Ericsson Interview Questions

I applied via Approached by Company

Round 1 - Technical 

(1 Question)

  • Q1. Questions related to Pivoting, Joins, DeadLocks etc.
Round 2 - Technical 

(1 Question)

  • Q1. Questions related to Performance Improvements, Best Practices in SQL, ETL Processing, Scenario related questions
Round 3 - One-on-one 

(1 Question)

  • Q1. Non Technical Interview with Line Manager. Personal Info , Previous employment related details

Interview Preparation Tips

Interview preparation tips for other job seekers - Make sure to get all details of your Job Role.

Software Developer Jobs at Ericsson

View all
Interview experience
4
Good
Difficulty level
Easy
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Sep 2022. There were 3 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 - Aptitude Test 

Easy questions from quant, english and reasoning

Round 3 - Technical 

(2 Questions)

  • Q1. Asked about call flow
  • Q2. Explain 3g, 4g, 5g architecture
  • Ans. 

    3G, 4G, and 5G architectures refer to the generations of mobile network technology, each offering faster speeds and improved capabilities.

    • 3G (Third Generation) introduced mobile data services like internet browsing and video calling.

    • 4G (Fourth Generation) provided faster speeds for data transmission, enabling services like HD video streaming and online gaming.

    • 5G (Fifth Generation) offers even faster speeds, lower laten...

  • Answered by AI

I applied via Recruitment Consultant and was interviewed in Sep 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Regarding SAP Data Services
  • Q2. Designer tool, Project, wf, df, transforms, types of transforms, performance optimisation techniques etc
  • Q3. Hana

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview was good. interviewer was friendly and wherever I couldnt answer his questions he answered them and made me understand.

I applied via Naukri.com and was interviewed before Jul 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. It's was my first job in Ericsson question being asked were linux basic nothing much

Interview Preparation Tips

Interview preparation tips for other job seekers - Well we should have good knowledge on linux python, perl, shell scripting

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

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Ericsson Interview FAQs

How many rounds are there in Ericsson Software Developer interview?
Ericsson interview process usually has 2-3 rounds. The most common rounds in the Ericsson interview process are Technical, HR and Coding Test.
How to prepare for Ericsson 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 Ericsson. The most common topics and skills that interviewers at Ericsson expect are HTML, CRM, microsoft, PHP and Telecom.
What are the top questions asked in Ericsson Software Developer interview?

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

  1. What is method overloading and overrid...read more
  2. Program to swap two variables without using th...read more
  3. Explain 3g, 4g, 5g architect...read more

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Ericsson Software Developer Interview Process

based on 9 interviews

2 Interview rounds

  • Technical Round
  • HR Round
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Ericsson Software Developer Salary
based on 618 salaries
₹4 L/yr - ₹14.5 L/yr
13% more than the average Software Developer Salary in India
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based on 94 reviews

3.9/5

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3.6

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4.2

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3.2

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Job security

4.0

Company culture

3.0

Promotions

3.6

Work satisfaction

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