Senior Ruby on Rails Developer 

We’re looking for a Senior Ruby on Rails developer who enjoys owning meaningful features, building reliable systems, and working in a mature, high-trust engineering environment.

This is an individual contributor role for an experienced backend engineer who cares deeply about code quality, testing, and long-term impact.

Why Join OTGS?

• Stable & self-funded: Founded in 2007, profitable, and independent — we build for the long term.
• Industry leaders: Creators of WPML, the № 1 multilingual plugin for WordPress, powering over 1.5 million sites
• Real product impact: You’ll work on ATE, a core product at OTGS with real customers, real scale, and real technical challenges.
• Fully remote, async-friendly: Work from anywhere within EMEA hours as part of a global, distributed team.
• Engineering-driven culture: We value ownership, autonomy, testing, and thoughtful problem-solving.
• Growth without chaotic hype: Mentorship, internal mobility, and long-term career paths — without chaos.
• Fair compensation + great benefits: Designed to support your well-being both inside and outside of work.

What You’ll Do

• Own features from implementation to production within a well-defined product scope
• Build and maintain robust Ruby on Rails systems used at scale
• Work closely with product and other engineers to solve real user problems
• Write and maintain automated tests (unit, integration, and E2E)
• Improve performance, reliability, and maintainability of existing systems
• Take responsibility for the quality and long-term health of what you build

What We’re Looking For

Required

• 4+ years of professional experience with Ruby on Rails
• Strong backend engineering skills and database experience
• Solid experience writing and maintaining automated tests (including E2E)
• Experience building and running production systems
• Comfortable working autonomously and taking ownership
• Strong problem-solving mindset, you look beyond tickets
• Experience with Web APIs
• Availability during EMEA working hours

Nice to Have 

• Experience with React 
• CI/CD experience (GitLab, Jenkins, or similar)
• Background jobs, AWS, or complex integrations
• Experience with Capybara

This Role Is a Great Fit If You:

• Take pride in ownership and accountability
• Care about testing and long-term code quality
• Prefer stable, product-focused work over short-term hype
• Enjoy collaborating with thoughtful, kind, and experienced people
• Want to make a lasting impact on a product used by thousand of real customers