Senior Ruby On Rails Developer
Posted Updated
Summary
OnTheGoSystems is hiring a Senior Ruby on Rails Developer to build and maintain robust backend systems for products like ATE at scale. Day-to-day responsibilities include owning features from implementation to production, writing automated tests, and improving system performance and reliability.
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