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Full Stack Developer Coding Test- Recognizing Excellence Through Evaluation

The full stack developer coding test is a prescreening tool used by recruiters to gauge on-the-job skills before an interview. It assesses a candidate's skills to develop the software application's client and server-side and helps reduce screening time while hiring tech talent.

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Inside This Full Stack Developer Test

The full stack developer assessment test is a unified assessment designed to evaluate an individual's abilities to code in front-end and back-end languages. The test is intended to scientifically assess the candidates' fundamental concepts, programming knowledge, and application skills in Core Java, JavaScript, MySQL, and Java Full Stack.  

The full stack developer coding test also evaluates the candidate's ability to create and consume APIs, work with SQL and MySQL databases, and write unit tests for all application tiers.  

This 90-minute full stack developer test has 18 MCQs and three coding problems to be solved on our front-end and back-end simulators. It evaluates subskills on three levels; basic, intermediate, and advanced.  

Designed by subject matter experts, the full-stack assessment is holistically developed to evaluate the candidate's programming knowledge and applied coding skills.  

This full stack developer test helps to screen candidates for the following roles:

  • Java full stack developer 
  • Core java developer 
  • Java Software Developer 


There is no denying the fact that full-stack developers have been in demand worldwide. Their demand has proliferated over the years. One striking reason is that their ability in various technological tools enables them to handle even the most challenging computer projects with full accountability. They are multifaceted professionals skilled enough to manage servers, databases, architecting, system engineering, and client communication.  

Full-stack developers have practical knowledge of all the languages, methodologies, and systems engineering concepts imperative for software development. They are well-versed with full-stack concepts, software development approaches, multiple web languages (CSS, HTML, JavaScript, Ruby, Python, etc.) and other tools needed to develop a full-fledged website/mobile application. They are also skilled in using frameworks such as Angular.js, Django, Node.js, etc.  

Their technical brilliance might be challenging to assess and even more time-consuming and intricate: how can one find that a particular candidate will meet an employer's expectations? The full stack developer assessment test is the key to hiring the most accomplished tech professionals. This technical assessment evaluates a candidate's skills across the entire web stack, from the front-end technologies (CSS, HTML, and JavaScript) to back-end programming languages (such as C#) to structured query language for accessing the database.  

The full stack developer test enables technical recruiters to screen and select candidates with the desired level of skills before an interview. It also will be instrumental in helping recruiters find potential hires by assessing their job readiness skills. That is why the test aims to evaluate the knowledge of applied skills rather than conceptual knowledge. With comprehensive, in-depth reporting comes the convenience of receiving an in-depth analysis of the candidate's performance, which helps employers make a data-driven hiring decision.  


This Full Stack Developer Test is a part of following Skills Libraries

Full Stack Developer Test Competency Framework

Get a detailed look inside the test

Full Stack Developer Assessment Competencies Under Scanner

Java full-stack development



Under this section, candidates are evaluated on their skills in JavaScript arrays, parsing, events, event handlers, scopes and namespaces, and functions.

Front-end simulator

This section of the Full-stack Developer Coding Test by Mercer | Mettl covers hands-on coding questions to evaluate candidates' front-end web development skills on a front-end simulator.

Hands-on programming

This part of the test assesses candidates' coding skills, hands-on experience, and capability to code in required languages by giving them real-world problems on a coding simulator.


This section of the Full-stack Developer Assessment is designed to assess the core Java skills of candidates in Java-JSP directives, Java-JSP servlets, and Java-JSP actions.


This section assesses candidates' MySQL skills in intermediate-level functions, insert commands, joins, regex, and other basic-level parts.

Database query

The Full-stack Developer Coding Test also covers hands-on coding questions that assess candidates' skills in writing database queries in MySQL.

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

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Step 2: Share link

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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)

Yes, it is possible. Please write to Mercer | Mettl for assistance.

Recruiters should curate interview questions that offer them insights into hard skills, behavioural intelligence, and soft skills. Besides coding and programming language proficiency, recruiters should assess candidates' organizational skills, attention to detail, diligence, willingness to learn, and knowledge of the latest tech developments.

Full-stack developers should have a bachelor’s degree in computer science. Apart from this, they should also possess excellent project management and organizational skills, abilities in using JavaScript frameworks, and a strong understanding of and competencies in front-end and back-end languages. Strong verbal skills, excellent problem-solving skills, and meticulousness in detail-oriented tasks are essential skills a full-stack developer should possess.

Full-stack programmers are engineers or web developers specializing in front-end and back-end development of mobile applications or websites. Full-stack developers can also handle projects that include building user-oriented websites, database management, and communicating with clients during the project's planning phase.

The Full-stack Developer Test by Mercer | Mettl can be used by recruiters to screen potential candidates objectively and gauge the abilities of candidates in full-stack development. 

Yes. In selective cases, the Full-stack Developer Coding Test reports can be customized based on client requirements.

Candidates should have mastered front-end technologies, like HTML5 and JavaScript, and they should be adept in one of the back-end programming languages, like Java, Ruby, or Python. The skills of a full-stack developer include knowledge of DBMS technology solutions and Git and a thorough understanding of caching mechanisms and prototype design. They should also be able to work efficiently with web services and APIs and have server management experience.

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