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OnTheGoSystems is currently seeking a Senior Ruby on Rails Developer to join their team. This position is fully remote, meaning you can work from anywhere in the world as long as you work within EMEA hours. Founded in 2007, OnTheGoSystems is a stable and profitable independent company known for creating the WPML, the leading multilingual plugin for WordPress, used on over 1.5 million sites globally.
In this role, you will be responsible for:
Building and maintaining Ruby on Rails systems that are utilized at scale.
Owning features from their implementation all the way to production, ensuring a smooth deployment process.
Writing and maintaining automated tests, including unit, integration, and end-to-end tests (E2E).
Investigating production issues, debugging complex problems, and engineering practical solutions.
Improving performance, reliability, and maintainability of the systems you work on.
To be considered for this position, candidates should possess:
A minimum of 4 years of professional experience with Ruby on Rails.
Proven experience in building and running production systems.
Strong backend skills, including familiarity with databases, performance optimization, and API design.
Significant experience in writing and maintaining automated tests, particularly E2E tests.
A curiosity about AI technologies and the ability to use AI-powered tools to enhance productivity and workflows.
While not mandatory, candidates with the following skills will have an advantage:
Knowledge of React.
Understandings of CI/CD, background jobs, or experience with AWS.
OnTheGoSystems promotes a culture driven by engineering principles. This includes:
A focus on ownership and autonomy in the work.
Emphasis on testing and thoughtful problem-solving.
Equal opportunity for collaboration, allowing experienced team members to learn, investigate, and work together.
Additionally, OnTheGoSystems provides fair compensation and excellent benefits aimed at promoting well-being both at work and in personal life.
Employees at OnTheGoSystems should expect a work environment that values:
Pride in ownership and accountability.
A commitment to code quality and long-term sustainability in testing practices.
Empowering solutions to complex system issues.
Being a part of a collaborative community of experienced and kind professionals who are passionate about learning and problem-solving.
If you have a passion for building user-focused and reliable web applications and want to make a meaningful impact, OnTheGoSystems would love to hear from you. Apply through the provided link for more details on how to submit your application.
This job offer was originally published on weworkremotely.com
May 19, 2026
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