Senior Ruby on Rails Developer

We’re looking for a Senior Ruby on Rails developer with a curious, hands-on mindset who enjoys building reliable systems, owning meaningful features, solving complex problems, and using AI tools to improve development workflows, product quality, and user experience.

What you’ll be working on:

• Building and maintaining Ruby on Rails systems used at scaleOwning features from implementation to production
• Writing and maintaining automated tests (unit, integration, E2E)
• Investigating production issues, debugging complex problems, and helping design practical solutions
• Improving performance, reliability, and maintainability

What we’re looking for:

To succeed in this role, you’ll have:

• 4+ years of professional experience with Ruby on Rails
• Experience building and running production systems
• Strong backend skills, including databases, performance, and API design
• Solid experience writing and maintaining automated tests (including E2E)
• Curiousity about AI technologies and use AI-powered tools to improve productivity, debugging, testing, research, or development workflows.

Nice to have: 

• Experience with React 
• CI/CD, background jobs, or AWS experience

Why Join OTGS?

• Stable & self-funded: Founded in 2007, profitable, and independent.
• Industry leaders: Creators of WPML, the #1 multilingual plugin for WordPress, used on 1.5M+ sites
• Fully remote, async-friendly: Work from anywhere within EMEA hours
• Engineering-driven culture: Ownership, autonomy, testing, and thoughtful problem-solving
• Fair compensation and great benefits: Designed to support your well-being both inside and outside of work.

You’ll enjoy this role if you:

• Take pride in ownership and accountability
• Care about testing and long-term code quality
• Are motivated by solving problems in complex systems
• Enjoy collaborative environments where kind and experienced people learn, investigate issues, and solve problems.

Want to make a lasting impact on a product used by thousands of real customers? We would love to hear from you.