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ROKI Senior Software Engineer Interview Questions and Answers

Updated 8 May 2024

ROKI Senior Software Engineer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Nov 2023. There were 4 interview rounds.

Round 1 - Coding Test 

Build reusable components based on react

Round 2 - Coding Test 

Algorithm and data structure

Round 3 - Case Study 

System design round, asked to draw HLD

Round 4 - HR 

(1 Question)

  • Q1. Behavioural and culture fit round

Interview questions from similar companies

I applied via Walk-in and was interviewed in Jul 2019. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Main focous on java and selenium.if you have devops knowledge then good to have..
  • Q2. Framework design,oops concept, challange you face,roles and responsibilities,agile concept etc...

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident, focous on core Java,do good practice to identify elements, analyse the things before you respond,be more practical,raise the concern once you stuck,try to find the solution from your end before you ask for Help,...

I applied via Company Website and was interviewed before Aug 2021. There were 2 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 

Any programming language i.e.as resume mentioned

Interview Preparation Tips

Interview preparation tips for other job seekers - My strength point is positive attitude hardworking if any difficult moment silent mood and then solve it any problem.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Write a code to fill the water tank

Round 2 - Technical 

(2 Questions)

  • Q1. How to measure slope of random voltage waveform?
  • Ans. 

    The slope of a random voltage waveform can be measured by calculating the rate of change of voltage over time.

    • Calculate the difference in voltage between two points on the waveform

    • Divide the voltage difference by the time interval between the two points to get the slope

    • Repeat this process for multiple points on the waveform to get an average slope

  • Answered by AI
  • Q2. Design a circuit for Water Tank Filling
  • Ans. 

    Design a circuit for Water Tank Filling

    • Use a float switch to detect water level in the tank

    • Connect the float switch to a relay to control the water flow

    • Include a solenoid valve to regulate the water flow

    • Use a microcontroller to monitor the water level and control the relay and solenoid valve

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

(1 Question)

  • Q1. Python and sql questions
Round 2 - Technical 

(1 Question)

  • Q1. Client interview
Round 3 - HR 

(1 Question)

  • Q1. General discussion
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.
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
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

ROKI Interview FAQs

How many rounds are there in ROKI Senior Software Engineer interview?
ROKI interview process usually has 4 rounds. The most common rounds in the ROKI interview process are Coding Test, Case Study and HR.
How to prepare for ROKI Senior Software Engineer 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 ROKI. The most common topics and skills that interviewers at ROKI expect are Healthcare, Python, Machine Learning, Automation Testing and Computer science.

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ROKI Senior Software Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more
ROKI Senior Software Engineer Salary
based on 4 salaries
₹76.5 L/yr - ₹86 L/yr
436% more than the average Senior Software Engineer Salary in India
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