AI Engineer - Ruby on Rails

Stack

Responsibilities

• ▹Designing and building AI/LLM-assisted product features
• ▹Integrating LLM APIs into Ruby on Rails systems
• ▹Combining AI approaches with business logic, tests, fallbacks and production safeguards
• ▹Owning features from technical design to production
• ▹Improving reliability, accuracy, consistency, latency, cost, security and maintainability
• ▹Writing and maintaining automated tests (unit, integration, E2E)
• ▹Debugging production issues and improving system behavior over time

Requirements

• ▹Practical experience building with AI/LLM technologies, not just using AI tools casually
• ▹Strong Ruby on Rails experience, ideally at a senior level
• ▹Good judgment about when AI is useful versus when simpler engineering is better
• ▹Strong backend skills: databases, API design, performance, background jobs, security
• ▹Ability to break down ambiguous problems into clear technical solutions

Nice to have

• ▹CI/CD, background jobs or AWS experience
• ▹Experience with text-processing, localization, translation or multilingual products

Soft skills

What we offer

• ▹Stable, self-funded, profitable and independent company (since 2007)
• ▹Creators of WPML, the #1 multilingual plugin for WordPress, used on 1.5M+ sites
• ▹Fully remote, async-friendly work within EMEA hours
• ▹Engineering-driven culture: ownership, autonomy, testing
• ▹Fair compensation and great benefits

About the company

OnTheGoSystems is a stable, self-funded, profitable and independent company founded in 2007, creators of WPML, the leading WordPress multilingual plugin used on 1.5M+ sites.