Hire Your Embedded System Specialist

An embedded system is a combined set up of computer hardware, software, and mechanical components ( sensors, prompters, etc.) that are used for performing a particular task, usually in real-time. Such systems need a high degree of reliability and predictability. Since these systems require size, power, security, safety, cost, and management to either establish communication with other systems or interact with the physical world in what we call a feedback loop, they are indispensable for us.

For instance, a microcontroller is an embedded system that is not visible to the user but is crucial for completing particular functions like controlling a braking system or power windows. Embedded System Engineers research, develop, review, verify, and troubleshoot embedded systems. Most companies use embedded systems for data acquisition and instrumentation. Embedded System Engineers are much in demand in the industry. It is expected of them to have their knowledge and skill honed in using embedded systems, and that’s why embedded system tests are used for this purpose.

Leading organizations around the world are turning to embedded tests to find the most suitable professionals as system specialists. Even though a technical interview that will test the candidate’s interpersonal skills, knowledge, and professional skills will take place, they first have to pass the aptitude test and technical test to get to that round. Nowadays, companies also prefer candidates with one year of experience as embedded system professionals.

Responsibilities of an Embedded System Engineer
An Embedded System Engineer needs to understand what precisely the client wants. A professional engineer should have technical prowess and be able to keep technical specialties in consideration, such as mechanics, hardware, or application software. The engineer must know how to set up a software architecture and plan despite possible constraints of cost, security, autonomy or project completion time. Then comes the step of setting up the entire technical environment along with the choice of programming language, technology, and platform, weighing up the advantages and disadvantages. Proper documentation of one’s code is essential in the development phase because this makes it easy for another engineer who might have to take it from there. Ultimately, before delivery, the system engineer will perform unit testing followed by integration testing to ensure the efficacy of the setup. Therefore, the outcome should correspond to what was expected.


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About Embedded system test
Hands-on experience of working with embedded systems is one of the most sought-after skills right now, and continuous development in this area is taking place. With the advent of Internet-of-things and a practical application in every technology-based industry, the requirement of Embedded System Engineer is increasing at a rapid rate. The embedded system test helps in assessing the skills listed below:

  • Knowledge of UART, SPI, and I2C interfaces
  • Experience in debugging hardware and software
  • Well-versed in protocols, computer and sensors integration
  • Programming on ARM Controllers in a simulated environment

Why should you use Mercer | Mettl's embedded test?
Mercer | Mettl's embedded tests are structured and developed by subject matter experts as per professional standards. Use these assessments to find the creme de la creme of candidates for your esteemed organizations. We can benchmark these tests for particular job roles for diverse clientele who are hiring for this job role. Now, you can find the most promising specialists in embedded systems with the utmost ease. You can also get a customized version of this assessment or have us develop a new test from scratch based on your requirement.  In case of any query, reach out to our subject matter experts and rest assure that our experts will be happy to address your questions.

Key profiles the test is useful for:

  • Systems Engineer
  • Embedded System Programmer
  • Software Engineers

Answer to common queries:

Q. Can candidates be benchmarked based on the internal sample set?
A. Yes, at Mettl, it can be done. Should you need any further information, please write to us, and we will be happy to assist you.

Q. Is it possible to customize the report as per the need?
A. Yes, we can do it. We have already done it in the past for our clients. Should you need any further information, please write to us, and we will be happy to find the best solution for you.

Q. What are the best questions to ask during an embedded system test interview?
A. Embedded Software Engineers offer comprehensive, technical solutions, which revolve around designing, developing, and installing software to meet company needs. They build high-quality embedded software systems in line with design and coding standards. During the interview process, you should assess candidates’ expertise in software engineering and coding techniques. Questions related to OS system configuration, hardware management, and debugging code should be included in the interview. In a technical interview, you must test your candidates’ professional skills in real-time via an online embedded system test. Your potential candidate should showcase a keen interest in theoretical knowledge and technological advancements. You should hire those candidates who are ardent learners, love to participate in hackathons, seminars, and take part in open-source software projects.

Computer Science questions

  • Are there any differences between analytical and computational modeling?
  • What do you mean by RISC architecture?
  • Which one is better: multi-threading polling or single threading model?
  • What is the difference between component-based and object-oriented design?

Role-specific questions

  • How would you debug a system gone blank?
  • Is there a way to limit memory requirements in embedded systems?
  • Are you familiar with any software configuration management tools?
  • What is the need of Java in embedded systems?
  • Can you please specify any code testing tools?
  • Have you ever tried technical documentation?
  • Will you give an example of troubleshooting on embedded targets and explain the process step-by-step?
  • Can you describe the step-by-step process of troubleshooting on embedded targets?
  • What are the ways to ensure that the functionality of a program, which is in use, remains unaffected while debugging?
  • What do you understand by design patterns? Is there any design software that you have used in any situation?
  • What is the way to rectify hardware errors?
  • Can you tell us about your QA engineering experience?

 Behavioral questions

  • How do you stay abreast of the latest technology trends?
  • What are the most typical errors you have encountered in embedded systems, and what was your approach in resolving them?
  • Can you tell us about a time when you had to work closely with engineers and designers for a new product deployment? What were your responsibilities?

How it works:

step 1
Mettl-PBT-1

Add this test to your tests

step 2
Mettl-PBT-2

Share test link from your tests

step 3
Mettl-PBT-3

Candidate take the tests

step 4
Mettl-PBT-4

You get their tests report


Note You will be charged only at step 3. i.e. only when candidate start the test.


Relevant for Industries

  • IT