Online Full Stack Developer Tests to Screen Job Applicants: Find Full Stack Experts Faster Than Ever!

What is Full Stack Development?

A full stack developer works on developing both client and server software. Besides mastering HTML and CSS skills, he/she must also possess additional skills such as JavaScript, jQuery, PHP, ASP, MongoDB, and SQL, etc. A full stack developer can effectively manage all the servers, databases, clients, and systems engineering requirements.

Why is there such a demand for Full stack developers?

The current digital technology trends underscore an ever-increasing scope of corporate websites. The advent of the e-commerce ecosystem has made it evident that the vast majority of experienced professionals ensure the effectiveness of technical operations in managing the entire infrastructure and the front-end and back-end parts of those websites. As a general practice, companies prefer hiring those people who are either specialized in front-end or back-end development. 

Full stack developers have a more diversified role, including working on both front-end and back-end technology, databases, web debugging, and more. They are in high demand because of their potential, ability, and talent to handle complex tasks with the utmost ease. That’s why it has become imperative to find the best talent through a comprehensive full stack developer assessment test.

Why should you evaluate full stack developers?

Full stack development jobs catch the fancy of many aspiring coders. Full stack developers are highly coveted because they have extensive knowledge and expertise in complex tools and frameworks that work with Java. Their versatility and indispensability can make the assessment of their technical know-how even more complicated and time-consuming: how can one ensure that a full stack programmer will meet employers’ expectations?

What is a Java full stack developer skill test?

A full stack developer test is used to assess a candidate’s professional competency, whether it’s about handling database tasks, systems engineering, servers, or clients. The test ascertains whether the person being assessed possesses knowledge about the multi-tier web application architecture with abstraction layered architecture. The test is useful in evaluating a candidate’s aptitude for understanding business requirements based on his/her identification of the most suitable technical architecture and design patterns.

Java full stack developer skills assessment is the surefire way to hire the most highly-skilled candidates by assessing their capabilities to work on front-end, back-end, or both. Subject matter experts (SMEs) are behind the creation and validation of these test questions to help the hiring managers find the best Java developers as per industry standards.

How do you assess a Java full stack developer?

Assessing the Java full stack developers’ skills is no mean feat, and customized assessments accurately measure relevant skills required for a given role. Such tests present substantial inputs to make the right hiring decisions, mainly crucial for full stack Java developer profiles. The assessment broadly covers all essential topics such as Spring core, Spring MVC, SQL Queries, Agile Project Management, and more.

Java is used for the development and deployment of code for desktop and server environments. JavaScript is a full-fledged dynamic front-end programming language that can be used to provide dynamic interactivity on websites. MySQL is one of the most popular relational database management systems that is widely used by developers and is supported by most of the Operating Systems. 

After considering all these parameters mentioned above, it makes perfect sense to evaluate full stack developers' skills. A Java full stack test comes in handy to assess the candidates' knowledge in Java, JSP, Servlets and Javascript concepts, and any prior experience in MySQL.

Evaluate full stack developers with Mettl's full stack assessments

Save time and resources while being sure of the applicant you are hiring using Mercer | Mettl's full stack developer technical test. You compose customized, technical skills assessments corresponding to the talents you are looking for. 

The full stack developer assessment test features twenty-one technical questions, covering an extensive range of technologies, including Java, JSP, Servlets, MySQL, front-end web development, etc. The full stack test is a quick, objective, and easy way to evaluate and screen candidates for full stack roles.

With online full stack developer tests, hiring managers can do a deep dive into a candidate's technical skills. These tests assess the individual's mastery of full stack tools and frameworks that work with Java, knowledge of core java, servlets, REST API and more tools, using full stack developer coding tests and MCQ questions.

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Why should you use Mercer | Mettl’s Online full stack developer coding tests?

Easy to administer and comprehensive, the Mettl full stack developer coding test has all the crucial elements tech recruiters need to evaluate full stack candidates and make informed hiring decisions. 

The full stack developer online test is typically ninety minutes long and contains six sections intended to understand test-takers' skills and abilities. The test is designed to methodically evaluate the fundamentals, concepts, analysis skills, and application of the candidates in MySQL and Java Full Stack.

Java full stack developer skills test eases the complexity of screening the candidates and identifies those individuals who possess traits as follows:

  • Should know Java and Node.js 
  • Must be well-versed with the Spring MVC and Spring core
  • Should be familiar with RESTful web services,  HTML, CSS, jQuery, Ajax, etc.
  • Should have a strong background in Linux deployment, Angular 4, Oracle Database, and SQL
  • Should be familiar with Scrum agile methodology

A Java full stack developer test can help recruiters in determining if a candidate is competent enough for the role. The test is used in measuring the proficiency level of candidates in Java full stack development. Mercer | Mettl’s robust platform provides a comprehensive overview of the candidates' performance in each test section. The test contains the latest set of full stack MCQ questions and coding problems to assess the candidate's professional knowledge. 

What do the full stack developer assessment tests measure?

This test will help you in measuring:

  • Basics of Java Programming
  • Expertise in JSP and Servlets
  • Proficiency in Javascript
  • Knowledge of MySQL
  • Measuring hands-on development skills
Number of Sections 6
Number of Questions 21
Test Duration 90 Minutes
Test Language English


Number of MCA/MCQ questions based on Java, JSP, and Servlets 6
Number of MCA/MCQ questions for assessing the Javascript concepts 6
Number of MCA/MCQ questions to test proficiency in MySQL 6
Number of hands-on coding problems for assessing the problem-solving and development skills in Java 1
Number of hands-on coding questions for assessing the database query writing skills of the candidate in MySQL 1
Number of hands-on coding questions for assessing the front-end web development skills on a front-end simulator 1

Candidates with a work experience of 0.5-2 years can take the test. 

Difficulty level: Moderate

Key profiles the test is useful for:

  • Java Full Stack Developer
  • Full-Stack Developer

Answer to common queries:

How to conduct an effective full stack developer interview?

When interviewing full stack developers, recruiters should look at the candidates’ organizational skills and attentiveness to detail. Interestingly, some specific interview questions will always come in handy. Here’s a list of full stack developer interview questions along with possible answers that’ll help you find potential hires in no time:

  • What language do you consider most important for your job?

You should always be on the lookout for those answers that emphasize the importance of various languages as necessary to the job, not just one. Ideally, consideration should be given to those candidates who understand the pros and cons of using each language in different contexts.

  • Are you currently working on any new coding projects? If you could please describe those?

Highly skilled programmers are always working on exciting projects, whether it be for personal or professional reasons. It would help if you consider hiring proactive professionals who don’t need a reason to code; it’s inherent in their lifestyle.

  • What qualities would make someone a better Full Stack Developer than the rest?

Besides mentioning the core competencies, candidates should also include good organizational skills and meticulousness as essential qualities.

  • How do you keep yourself informed on current developments in the tech industry?

The most sought-after candidates would be willing to learn and practice new languages, read blogs relevant to the skillsets, and attend seminars and conferences to stay abreast of the trends.

  • Have you ever made a mistake while performing your duties? How did you bounce back?

This question attempts to find if a candidate acknowledges the importance of diligence and understands programming oversight's repercussions. It would be best if you always looked for answers where candidates accepted their past mistakes, rectified, and learned a valuable lesson. 

What should a full stack developer know?

Listed below are the skills required for a Full Stack Developer:

  • It is desired that the person has mastered essential Front-end technologies like Javascript, HTML5, etc. Knowledge of third-party libraries is an added advantage.
  • A skilled professional is well-versed in at least one server-side programming language such as Ruby, Python, Java, etc.
  • Knowledge of DBMS technology solutions is a must-have - MySQL, MongoDB, and Oracle, to name a few. Having an in-depth understanding of caching mechanisms such as Memcached, Redis, Varnish is an added advantage.
  • A thorough understanding of basic prototype designing, including UI/UX design elements, is also beneficial.
  • A prior experience in server management, handling Nginx servers, Linux, and Apache are some of the most sought-after skills.
  • The knowledge of Git is essential to keep track of all codebase changes. It is expected of a skilled professional to possess proficiency in the version control system.
  • A skilled professional knows how to work efficiently with web services or APIs like REST and SOAP.

What is the requirement for a full stack developer?

Listed below are a few requirements to think of concerning full stack development:

  • Bachelor's degree in Computer Science
  • Excellent organizational and project management skills
  • Skilled in common front end languages such as CSS, HTML, and JavaScript
  • Proficiency with JavaScript frameworks such as React, AngularJS, and Amber
  • Familiarity with server-side languages such as Ruby, Python, PHP, Java, and .Net
  • Strong verbal communication skills
  • Detail-oriented
  • Excellent problem-solving skills
  • Proficiency with database technology such as Oracle, MySQL, and MongoDB

What does a full stack programmer mean?

A full stack programmer is an engineer or web-developer who is specialized in both the front-end and back-end of an application or website, which means he/she can handle projects that comprise building user-oriented websites, working with databases, or even working with clients during the project planning phase. 

How do you evaluate a full stack developer?

Mercer | Mettl's full stack developer aptitude test is used by recruiters and hiring managers to screen and evaluate the potential candidates objectively and quickly. Such assessments will help them gauge the candidates' expertise in Java full stack development. 

What languages are required for a full stack developer?

Here are the top languages for full stack developers to learn:

  • HTML & CSS
  • Python
  • JavaScript
  • MEAN

Is full stack development a promising career?

Full stack development is undeniably a thriving career option. It offers a plethora of opportunities for professionals and anticipates continued growth in the coming years. 

How to become a full stack developer in 2020?

These top-skills are crucial to become a full stack developer:

  • JavaScript
  • Back-end languages
  • Basic design skills
  • Soft skills
  • Database storage
  • NPM
  • Web architecture

What is the full stack used for?

In the technological sphere, full stack refers to the complete computer system or an application ranging from the front-end to the back-end and the code connecting the two. The front end of a computer system is its user interface, whereas the back-end includes such technologies in the background as the OS and the database. This holistic system needs many additional technologies such as hardware, network, firewalls, and load balancers.

What is a full stack test automation framework?

Full stack test automation frameworks are fifth-generation tools and are more advanced in terms of features than previous generation frameworks. These frameworks can be easily implemented in newly evolving complex conditions, such as supporting various operating systems, testing desktop, web, mobile, and API.

Who are full stack automation engineers?

Full stack automation engineers’ work involves testing and developing applications. These highly skilled programmers have excellent automation skills. They are responsible for creating, maintaining, and improving automated tests and framework libraries. These individuals have a strong background in programming and share a passion for software test automation. 

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