What coding skills and languages do you have challenges for?

Challenges and questions for all different types of roles.

Essentials Plan

On the Essentials plan, we offer a library of standard coding and algorithm challenges which can be solved in the following languages:

  • C
  • C++
  • C#
  • Clojure
  • Go
  • Java
  • JavaScript
  • Kotlin
  • Python
  • PHP
  • Ruby
  • Swift
  • TypeScript

Premium/Elite Plans

On the Premium and Elite plans, we also provide challenges and questions for the following skills, technologies, and frameworks:

Technologies/Languages

  • AWS
  • iOS (Swift)
  • Android (Java)
  • MySQL
  • Front-end challenges (React, Redux, Angular, Vue.js)
  • General HTML/CSS
  • Back-end & API challenges (Node.js, Python, Ruby, C#, Java, etc.)

Roles

  • Software engineer
  • Front-end developer
  • Back-end developer
  • Full-stack developer
  • WordPress developer
  • Data science
  • Data engineer
  • DevOps
  • Mobile development (Android & iOS)
  • QA