Advanced Development with Grails 3

Grails Co-Founder, Jeff Scott Brown, delivers this 3-day, intensive, hands-on Grails training workshop, which equips developers with the advanced knowledge and skills to take full advantage of the framework and tackle real issues in enterprise-scale applications.

Upcoming Offerings

Classes Currently being scheduled. Contact Us to set up yours!


This course is designed to enhance the skills of experienced Grails developers through lectures, real-world examples, and hands-on practice.

The following advanced topics are covered in detail:

  • GORM
  • Grails REST
  • Caching for optimum performance
  • Asynch web development
  • Securing Grails 3 applications
  • Grails 3 plugin architecture
  • Advanced Groovy techniques as they relate to Grails 3


We recommend students have at least completed Web Development with Grails 3 or have real-world app development experience with Grails 3 before enrolling in this course.

Intended Audience

Developers who are already using Grails 3 to develop real-world applications are encouraged to take their skills to the next level by enrolling in this advanced programming course.

Duration and Format

3 days (18 hours)

This course is delivered in-person by Grails co-founder, Jeff Brown, and can be conducted at your location or in our Midwest training lab (12140 Woodcrest Executive Drive; St. Louis, MO. 63141)


  • GORM
    • Multiple Data Sources
    • Non-Relational Data Sources
    • Multi-Tenancy
  • REST
    • Versioning APIs
    • Custom View For JSON, XML, etc.
  • Caching
    • Caching and GORM
    • Caching Application APIs
  • Asynchronous Programming
    • GPARS
    • Reactor
    • Async GORM
  • Security
    • Spring Security
    • Securing REST APIs
  • Plugins
    • Introducing New Artifact Types
    • Defining Commands
  • Advanced Groovy
    • AST Transformations
    • Type Checking Extensions

Maximize your training experience by adding these courses to your curriculum.

Professional Training for Modern Technology Teams

Flexible Technology Training

Keep your team on the cutting edge with our technology training offerings.

  • Courses are developed and led by practicing software engineers and subject matter experts.
  • All courses can be customized to meet your organization's unique needs.
  • Courses can be conducted at your location, online, or in our state-of-the-art training lab in St. Louis, Missouri.

Many of our courses are also offered to the public both online and at our Midwest training lab for your convenience.

Visit our training schedule to sign up for upcoming webinars, workshops, and classes, or conduct your next training program in our technology training lab.