Senior Ruby on Rails Developer

Headquarters: Remote URL: http://onthegosystems.com 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. To apply: https://weworkremotely.com/remote-jobs/onthegosystems-senior-ruby-on-rails-developer-2