Cucumber Courses

Ruby for Newbies - Testing Web Apps with Capybara and Cucumber
Envato Tuts+ via YouTube

Behavior-driven Development (BDD) with Cucumber and Java
Pluralsight

Gherkin Fundamentals
Pluralsight

Behavior-driven Development: Fundamentals
Pluralsight

Mobile Testing with Appium and Java: Advanced Techniques
Test Automation University

Test-driven Rails with RSpec, Capybara, and Cucumber
Pluralsight

Level Up Your Backend with Cucumber Feature Tests
GoLab conference via YouTube

Introducing BDD and TDD with Cucumber
NashKnolX via YouTube

Selenium WebDriver 4 with Java - Zero To Hero
Packt via Coursera

Advanced Selenium WebDriver Techniques and Framework Design
Packt via Coursera