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Grails Test to assess and hire the best Grails developers

A Grails Developer Assessment is a pre-employment screening tool to assess candidates' technical and practical skills for roles such as Grails developer and Grails-focused software engineer. The test includes multiple choice questions and a coding test to assess the candidate's problem-solving skills and ability to write clean and effective code related to Grails development. With this test, talent acquisition experts can hire top-tier Grails developers with the necessary skills and experience to succeed and excel in the role.

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Inside this Grails Developer Assessment

The Grails Developer Test is a pre-hiring assessment to evaluate the technical competencies of candidates before hiring them for roles that require expertise in the Grails web application framework. The assessment, designed and validated by seasoned subject matter experts, is divided into two sections - 19 multiple-choice questions (MCQs) based on Grails and a coding problem in Java. The MCQs cover diverse topics of the Grails framework, such as Model View Controller (MVC) architecture, plugins, object-relational mapping, web layers, web services, validation, Groovy server pages, and the creation of web applications.

The coding assessment in Java assesses the applicant's proficiency in core Java concepts. The MCQs, however, give an objective insight into the test-taker's knowledge of Grails and its associated technologies. A proficient understanding of the topics covered in the Grails Test is crucial for someone applying for a Grails developer role as it reveals the candidate's ability to develop web applications using this framework. Therefore, the test helps hiring managers determine the job suitability of applicants by furnishing insights about whether they have the necessary competencies for a Grails developer role.

Screen candidates for the following roles using the test: 

  • Software engineer - Groovy/Grails
  • Software engineer Groovy Grails Java
  • Senior developer - Groovy/Grails
  • Groovy/Grails developer


Grails is an open-source Java-based framework used to build web applications by leveraging the Groovy language. Since its version 1.0 release in early 2008, Grails has evolved substantially and become indispensable for businesses and developers who want to simplify the process of building and maintaining web applications, minimizing the level of complexity that developers must handle.

Built upon the Spring Boot project, Grails follows the conventional Model-View-Controller (MVC) architecture. Grails offers the flexibility to use it as a standalone development environment, hiding many configuration details from the developer or as an integrated platform for Java business logic. The framework is meant to streamline the development process, and hence it can cater to a diverse range of developers extending beyond the Java community.

Organizations need to hire Grails developers because Grails is crucial for simplifying the development process and efficiently building robust, scalable, and maintainable applications. Grails developers are well-versed in the web app development process using the Grails framework. As a result, they can enhance productivity in web application development, reducing errors and bugs and boosting the company's efficiency and bottom line.

However, identifying the best Grails talent demands excellent exertion. In addition, many applicants claim to have proficiency in Grails development, but only some possess the right skills and experience to deliver high-quality work. Employers can use a pre-hiring assessment to surmount this difficulty to determine a candidate's job fitment. A Grails Developer Test has the same intended application, which includes measuring the candidate's breadth and depth of knowledge in Grails development, familiarity with the Grails framework, and industry-leading best practices. By quickly identifying the most suitable Grails developers, this test can enable organizations to improve operational efficiency while effectively streamlining the hiring process.


This Grails Test is a part of following Skills Libraries

Grails Developer Test Competency Framework

Get a detailed look inside the test

Grails Test Competencies Under Scanner

Grails Developer Test



Questions in this section extend across the following topics: MVC architecture, plugins, object relational mapping, the web layers, web services - Applications, validation, groovy server pages, and creating web applications.

Hands-on programming (Coding question - Java)

Candidates' Java programming skills are evaluated as part of the evaluation.

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The Mercer | Mettl Grails Test Advantage

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Grails Developer Test Can Be Setup in 4 Steps

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Step 3: Test View

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Step 4: Insightful Report

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Frequently Asked Questions (FAQs)

Grails is a web application framework that utilizes the Groovy programming language and is built atop the Java Virtual Machine (JVM). It simplifies the process of building web applications by weeding out many of the tedious low-level details and presenting a set of standards that allows developers to prioritize the writing of the application logic, hence offering a highly productive environment. 

A Grails Test is an online skills assessment undertaken to assess job applicants' skills and knowledge in using the Grails framework before being hired. 

The test-takers' job-related competencies and skills are assessed, and their total scores on these skills and competencies are considered together to ascertain their suitability for the role. 

Indeed, it is possible; we can do so selectively, please contact us, and we would be glad to help. 

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