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Full Stack Developer Hiring Test to assess and find top tech talent

The prescreening tool for full-stack developers, known as the Full Stack Developer Hiring Test, is used by recruiters to evaluate a candidate's on-the-job skills before an interview. It measures the candidate's ability to develop both the server and client side of a software application, and it streamlines the hiring process by saving time for tech talent during the screening phase. 

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Inside This Full Stack Developer Assessment

The Full Stack Developer Exam is a comprehensive evaluation measuring an individual's coding abilities in front-end and back-end languages. This test is designed to scientifically assess the candidate's understanding of fundamental concepts, programming knowledge, and application skills in Core Java, JavaScript, MySQL, and Java Full Stack. 

In addition to assessing coding skills, the full stack developer coding test evaluates the candidate's proficiency in creating and utilising APIs, working with SQL and MySQL databases, and writing unit tests for all application tiers. The assessment duration is 90 minutes and consists of 18 multiple-choice questions and three coding problems to be solved using front-end and back-end simulators. The assessment covers subskills at three levels: basic, intermediate, and advanced. 

The full-stack assessment, developed by subject matter experts, provides a holistic evaluation of the candidate's programming knowledge and practical coding skills. 

This test helps to screen candidates for the following roles:    

• Java full-stack developer  

• Core Java developer  

• Java Software Developer  


Full-stack developers are highly sought after worldwide due to their ability to handle complex computer projects and proficiency in various technological tools. They possess multiple skills, including server management, database handling, system engineering, and effective client communication. These professionals have practical knowledge of programming languages, methodologies, and systems engineering concepts necessary for software development. They are well-versed in web languages like CSS, HTML, JavaScript, Ruby, and Python and are proficient in using Angular.js, Django, Node.js, etc. 

Assessing the technical brilliance of full-stack developers can be challenging and time-consuming. A Full-Stack Developer Test ensures that a candidate meets the employer's expectations. This test evaluates a candidate's skills across the entire web stack, from front-end technologies like CSS, HTML, and JavaScript to back-end programming languages like C# and structured query language for database access. 

The Full Stack Developer Hiring Test helps technical recruiters screen and select candidates with the desired level of skills before conducting interviews. It allows recruiters to identify potential hires by assessing their job readiness skills. The test focuses on evaluating applied skills rather than conceptual knowledge. Detailed reporting provides an in-depth analysis of the candidate's performance, enabling employers to make data-driven hiring decisions. 

Full Stack Developer Test Competency Framework

Get a detailed look inside the test

Full Stack Developer Assessment Competencies Under Scanner

Full Stack Developer Hiring Test


Hands-on Programming

Utilise this full-stack test to gauge a candidate's coding skills on a coding simulator. The test presents real-world problems and assesses the candidate's hands-on experience and ability to code in the desired language.

Front End Simulator

The coding test for full-stack developers consists of practical hands-on coding questions that assess a candidate's front-end web development skills using a front-end simulator.


In addition, this test evaluates a candidate's proficiency in Core Java skills, specifically in areas such as JSP Actions, Java - JSP Directives, and Java - JSP Servlets.


Furthermore, the test evaluates a candidate's proficiency in various JavaScript concepts, including arrays, scopes and namespaces, parsing, events and event handlers, and functions.


This assessment for full-stack developers evaluates a candidate's MySQL skills, including proficiency in intermediate-level functions, insert commands, joins, regex, and basic-level functions.

Database Query

This comprehensive full-stack assessment includes practical coding questions that evaluate a candidate's ability to write database queries in MySQL, assessing their skills in this area.

Customize This Full Stack Developer Assessment

Flexible customization options to suit your needs

Set difficulty level of test

Choose easy, medium or hard questions from our skill libraries to assess candidates of different experience levels.

Combine multiple skills into one test

Add multiple skills in a single test to create an effective assessment. Assess multiple skills together.

Add your own questions to the test

Add, edit or bulk upload your own coding questions, MCQ, whiteboarding questions & more.

Request a tailor-made test

Get a tailored assessment created with the help of our subject matter experts to ensure effective screening.

The Mercer | Mettl Full Stack Assessment Advantage

The Mercer | Mettl Edge
  • Industry Leading 24/7 Support
  • State of the art examination platform
  • Inbuilt Cutting Edge AI-Driven Proctoring
  • Simulators designed by developers
  • Tests Tailored to Your business needs
  • Support for 20+ Languages in 80+ Countries Globally

Full Stack Developer Test Can Be Setup in 4 Steps

Step 1: Add test

Add this test your tests

Step 2: Share link

Share test link from your tests

Step 3: Test View

Candidate take the test

Step 4: Insightful Report

You get their tests report

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Frequently Asked Questions (FAQs)

When conducting interviews for full-stack developers, recruiters must assess candidates' organisational skills and attention to detail. Asking specific interview questions can help evaluate their suitability for the role. Here is a list of interview questions for full-stack developers, along with suggested answers, that can assist in identifying potential hires: 

  • Which programming language do you consider most important for your job? Look for answers emphasising the importance of multiple languages rather than just one. Candidates who understand the advantages and disadvantages of using different languages in various contexts should be given consideration. 

  • Are you currently working on any coding projects? Could you describe them? Skilled developers are often engaged in exciting projects, whether personal or professional. Consider candidates who demonstrate a proactive approach to coding, as it is an inherent part of their lifestyle. 

  • What qualities make a better Full Stack Developer compared to others? In addition to mentioning core competencies, candidates should highlight qualities such as strong organisational skills and attention to detail. 

  • How do you stay updated on the latest developments in the tech industry? Highly desirable candidates actively seek opportunities to learn and practice new languages, read relevant blogs, and attend seminars and conferences to stay informed about industry trends. 

  • Have you ever made a mistake while performing your duties? How did you handle it? This question assesses a candidate's understanding of the importance of diligence and their ability to learn from past mistakes. Look for candidates who acknowledge their mistakes, take corrective actions, and gain valuable insights from the experience.

Recruiters and hiring managers often utilise Mercer | Mettl's Full Stack Developer Exam to screen and evaluate potential candidates objectively and efficiently. These assessments are designed to assess the candidates' proficiency in full-stack development. 

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