Senior Backend Engineer – Ruby, Kotlin

Learning Technologies Group plc

Senior Backend Engineer for the Voyager Team maintaining a Ruby on Rails monolith and developing Kotlin APIs. Ensuring seamless integration of new features in a complex system architecture.

Posted 5/28/2026full-timeRemote • 🇭🇺 HungarySenior💰 HUF 1,700,000 - HUF 2,100,000 per monthWebsite

Tech Stack

Tools & technologies

AWSJavaKotlinPostgresRubyRuby on RailsSpringSpring BootSpringBoot

About the role

Key responsibilities & impact

Maintain and optimize a Ruby on Rails monolith
Develop REST APIs in Kotlin or Java
Ensure seamless feature integration in the platform
Collaborate with cross-functional teams on projects
Solve critical issues and improve system architecture

Requirements

What you’ll need

5+ years of experience in software development
Proficient in Ruby and Kotlin
Strong knowledge of Ruby on Rails
Experience with Spring Boot
Familiar with PostgreSQL
Understanding of AWS services
Experience with CI/CD tools like GitHub Actions
Ability to work independently and communicate effectively

Benefits

Comp & perks

comprehensive healthcare package provided by Medicover
SZÉP card
other fringe benefits

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

RubyKotlinRuby on RailsREST APIsSpring BootPostgreSQLAWSCI/CDGitHub ActionsSoftware Development

Soft Skills

CollaborationProblem SolvingCommunicationIndependence