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BlackBerry Software Engineer Level 1 Interview Questions and Answers

Updated 27 Apr 2024

BlackBerry Software Engineer Level 1 Interview Experiences

1 interview found

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

I applied via LinkedIn and was interviewed in Mar 2024. There were 4 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. Coding and self evaluation
Round 2 - Coding Test 

Leetcode medium question

Round 3 - Group Discussion 

3 board member group round for coding and system design

Round 4 - HR 

(1 Question)

  • Q1. Job role and salary discussion

Interview questions from similar companies

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - Coding Test 

Coding c++, dsa , c, programs etc.

Interview Preparation Tips

Interview preparation tips for other job seekers - interview process is long. So, keep that in mind. They might even ask you to visit office for a F2F interview.
Questions are basic C++, DSA, C, coding practices.
Its a group discussion sort of interview. But very very lengthy. I have hardly seen 3-4 technical rounds ever.

I applied via Referral and was interviewed before Oct 2021. 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 tips
Round 2 - Coding Test 

1. Reversing a linked list.
2. Find all substrings in a string.

Round 3 - Technical 

(2 Questions)

  • Q1. Oops Concepts, DBMS, Array Manipulation, Design Patterns.
  • Q2. System Design- Design an online food delivery platform
  • Ans. 

    Design an online food delivery platform

    • Identify target audience and their needs

    • Create a user-friendly interface for ordering food

    • Develop a robust backend system for managing orders and deliveries

    • Partner with local restaurants to offer a wide variety of cuisines

    • Implement a payment gateway for secure transactions

    • Provide real-time order tracking for customers

    • Ensure food safety and quality through proper packaging and deli...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Have a very good understanding of programming concepts.
Coding questions are easy to medium difficulty.

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Technical Interview + Coding
Round 2 - Technical 

(1 Question)

  • Q1. Technical Interview

Interview Preparation Tips

Interview preparation tips for other job seekers - 1st round (Virtual) - Technical with coding questions. I have cleared this round and selected for 2nd round.
2nd round (Face to Face) - Technical + Multithreading + Coding question + In Detailed on projects I have worked on. It was around 1:20 mins, I have answered very well, and I was confident also like I'll be clearing this round. But I got feedback from HR I did not select this round and not meet the technically for their expectation.
I really did not understand what their expectation even after answered all the question. Please really don't play with others time by taking this kind of interview.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. System design round about ott
  • Q2. Leetcode rain water problem
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.

Round 1 - Technical 

(10 Questions)

  • Q1. A scenario to create a new Android service
  • Ans. 

    Creating a new Android service

    • Define a class that extends Service class

    • Override onStartCommand() method to handle service logic

    • Register the service in AndroidManifest.xml file

  • Answered by AI
  • Q2. 2 puzzles. one was to find min no of weighs to find faulty item among 8 items and the other one was to min no of races required to find top three horses among 25 horses
  • Q3. How to manage gralloc buffers
  • Ans. 

    Managing gralloc buffers involves allocating, locking, and freeing memory for graphics rendering in Android.

    • Allocate gralloc buffer using gralloc_alloc() function

    • Lock buffer for reading or writing using gralloc_lock() function

    • Free buffer using gralloc_free() function

    • Example: gralloc_alloc(usage, width, height, format, &handle)

    • Example: gralloc_lock(handle, usage, left, top, width, height, &vaddr)

  • Answered by AI
  • Q4. What is HIDL vs AIDL
  • Ans. 

    HIDL stands for Hardware Interface Definition Language and is used for communication between HAL and framework. AIDL stands for Android Interface Definition Language and is used for inter-process communication in Android.

    • HIDL is used for communication between Hardware Abstraction Layer (HAL) and framework in Android

    • AIDL is used for inter-process communication in Android

    • HIDL is more efficient and faster than AIDL

  • Answered by AI
  • Q5. How Android buffers are passed from application to drivers.
  • Ans. 

    Android buffers are passed from application to drivers through shared memory and buffer queues.

    • Android applications communicate with drivers through the HAL (Hardware Abstraction Layer)

    • Buffers are typically passed using shared memory regions

    • Buffer queues are used to manage the flow of data between application and driver

    • Example: Camera application passing image data to camera driver for processing

  • Answered by AI
  • Q6. What happens if LINUX faces a hardware interrupt
  • Ans. 

    When LINUX faces a hardware interrupt, it stops executing the current code and jumps to a specific interrupt handler.

    • LINUX stops executing the current code and jumps to a specific interrupt handler

    • The interrupt handler processes the interrupt and resumes normal execution afterwards

    • Different hardware interrupts are handled by different interrupt handlers

  • Answered by AI
  • Q7. What is the challenge while creating multiple services in Android
  • Ans. 

    The challenge while creating multiple services in Android is managing communication between services and ensuring proper synchronization.

    • Managing communication between services can be complex and error-prone.

    • Ensuring proper synchronization between services to avoid race conditions and data inconsistencies.

    • Handling dependencies between services and coordinating their interactions.

    • Testing and debugging multiple services ...

  • Answered by AI
  • Q8. Boot up Android sequence
  • Ans. 

    The Android boot up sequence involves several stages including power on, bootloader, kernel initialization, system server startup, and app launch.

    • Power on the device

    • Bootloader loads the Android OS kernel

    • Kernel initializes the system and drivers

    • System server starts up and launches essential services

    • Apps are launched and user interface becomes accessible

  • Answered by AI
  • Q9. Describe about Permission files/SE Linux policy
  • Ans. 

    Permission files/SE Linux policy control access to resources based on rules set by administrators.

    • Permission files define who can access a file or directory and what actions they can perform.

    • SE Linux policy is a security mechanism that enforces rules on how processes interact with resources.

    • SE Linux policy is based on labels assigned to processes and resources, determining access permissions.

    • SE Linux policy can be cust...

  • Answered by AI
  • Q10. What is manifestation file and how is it used?
  • Ans. 

    A manifestation file is a configuration file used to define the properties and settings of a software application.

    • Manifestation files typically include information such as the application's name, version, dependencies, and permissions.

    • They are commonly used in software development to ensure that the application runs correctly and has access to necessary resources.

    • Examples of manifestation files include AndroidManifest....

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Mar 2023. There were 2 interview rounds.

Round 1 - Coding Test 

C++, DSA, 3 hours should have good knowledge of data structure and algorithms

Round 2 - One-on-one 

(1 Question)

  • Q1. 1. Find the max 3 items in a unsorted array
  • Ans. 

    Find the max 3 items in an unsorted array of strings.

    • Sort the array in descending order.

    • Return the first 3 elements of the sorted array.

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - Coding Test 

It was a graph coloring problem.

Round 2 - Technical 

(1 Question)

  • Q1. Chessboard knight problem

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare DSA
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-

I was interviewed in Jan 2024.

Round 1 - Technical 

(1 Question)

  • Q1. No one joined the interview from interview panel and it happened twice to which HR after ignoring my mails/call for long told me that since team works from Korea they don't get time. She was having very c...

Interview Preparation Tips

Interview preparation tips for other job seekers - If HR behaviour looks unprofessional don't ever waste your leave or time for appearing into Samsung's interview process.
Round 1 - Technical 

(1 Question)

  • Q1. Python related questions
Round 2 - Technical 

(1 Question)

  • Q1. Behavioral and management

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep your basic clear and focus on data structures and algorithms

BlackBerry Interview FAQs

How many rounds are there in BlackBerry Software Engineer Level 1 interview?
BlackBerry interview process usually has 4 rounds. The most common rounds in the BlackBerry interview process are HR, One-on-one Round and Coding Test.

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BlackBerry Software Engineer Level 1 Interview Process

based on 1 interview

Interview experience

4
  
Good
View more

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