Guia de contratação de desenvolvedores Grails

Grails Developer Hiring Guide

Create robust web applications with Grails! Dive into the complete guide to hiring qualified Grails developers, ensuring fast and scalable web solutions.

Desenvolvedor Grails

Grails, formerly known as Groovy on Grails, is a Groovy and Java-based web framework that is easy to deploy on existing Java web servers. Inspired by Ruby on Rails, Grails promoted “coding by convention” to promote best development practices while maintaining high productivity rates. Because it is based on Groovy, it offers dynamic, object-oriented scripts compiled into bytecode that run on the Java Virtual Machine (or JVM).

Although Grails is not as well-known as other frameworks, it is praised in the software development community thanks to its smart features and overall ease of use. Many of the most well-known brands also build their products on Grails. This includes big names like Disney, Netflix, MTV, LinkedIn and many others.

Grails runs and builds on “tried and true” frameworks like the Spring framework. From them, Grails inherited many of its features and plugins. This, in turn, makes Grails a little easier to understand for experienced developers, as it uses concepts they already know from other frameworks.

Guia de contratação de desenvolvedores Grails 7

Hiring Guide

The goal of building Grails was to provide a web development framework that works with Java while bringing together existing technologies such as Spring and Hibernate into a single interface. This helped create a consistent working environment that offers documentation for other frameworks, dynamic tag libraries for simplified web component creation, as well as customizable Ajax support.

Developers with experience in Java, Ruby on Rails, and other Java frameworks have the ability to learn Grails with a little practice. It stands out from other traditional structures thanks to its many benefits, including 3 main properties that set it apart from the crowd.

Grails does not require XML configuration. Creating web applications in Java traditionally requires setting up frameworks and environments not only at the beginning of development, but also throughout the process. It is a common practice for developers to externalize this configuration into XML files as it makes configuration easier by avoiding embedding the configuration in code.

Developers familiar with traditional Java frameworks know that they must assemble all the pieces of the development puzzle before starting a project. With Grails, developers have the ability to work in a pre-built environment that includes not only a web server, but also all necessary libraries, as well as a Java web environment.

Grails also includes support for dynamic methods through mixins for server classes. Mixins allow developers to perform operations without needing to implement interfaces or extend base classes. This further helps with the ease of use of the framework.

To become a Grails developer, candidates must have a background in computer science to begin their experience. They should also have coding experience in Java and Groovy while also being comfortable working in different development frameworks such as Agile. Potential Grails developers should also have experience with Apache, SQL, Unix, and web services in general.

Interview Questions

What are the best practices that developers should follow when developing with Grails?

Although building an application using the Grails framework is not very difficult, doing it correctly requires following some best practice guidelines. Some best practices include:

  1. Keep controller logic as simple as possible, avoiding code duplication.
  2. Maintain a consistent appearance across all app pages, keeping views generally low-maintenance.
  3. Services are transactional in nature, but this is a good choice for coarse-grained coding.
  4. The model's domain-specific logic requires its own domain.
  5. All viewed text messages require changing to “ messages.properties ” for internalization purposes.

What is the difference between Grails interactive, shell, and console modes?

The Grails console is a Swing-based command console considered similar to the Groovy console. It helps developers run code across the entire coding environment with access to all domain classes. Console mode also helps, allowing you to quickly test the code that goes into services and controls. Interactive Grails presents a line interface for grails commands in an interactive way, as the name suggests.

However, the Grails shell is the headless version of the Grails console. It is useful when developers need to access and test code on a remote server. An advantage of this headless version of Grails is that it does not reload when domain classes change, as happens in console mode. This is useful for long-running scripts and tests.

What is “scaffolding” in Grails?

Grails provides scaffolding utilities to help developers validate their ideas when building prototypes. It also helps in building administrative interfaces. For many developers new to Grails and everything it has to offer, scaffolding is one of the framework’s “best-selling features.”

Job description

We are looking for a Java developer with experience in the Grails application framework. Your job will require designing and overseeing the implementation of new web applications or updates to existing programs or applications using Java and Grails. Other responsibilities include program consulting, quality assurance testing, coding, as well as code review and rewriting to ensure compatibility between back-end and front-end frameworks.

Responsibilities:

  • Develop, program, troubleshoot, debug and maintain Grails-based applications
  • Collaborate with development team members to design, develop, and test new features
  • Review and rewrite code to ensure backend and frontend compatibility
  • Oversee the implementation of new applications

Skills and qualifications:

  • Bachelor's Degree in Computer Science
  • Strong knowledge of Java framework, Groovy and Grails
  • Comfortable working with a variety of development frameworks
  • Experience in Apache, Unix, SQL, etc.

Source: BairesDev

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