AI Engineer - Ruby on Rails
OnTheGoSystems
Barcelona
Tiempo completo
Remote
339 ofertas más en Barcelona.
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We are looking for an engineer with practical AI/LLM experience who can build production features in Ruby on Rails.
This role is for someone who has worked with AI tools, LLM APIs, prompts, retrieval/context patterns, or AI\-assisted workflows \- and who also has the engineering depth to turn those ideas into reliable, tested, maintainable software.
What you’ll be working on:* 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, including unit, integration, and E2E tests
- Debugging production issues and improving system behavior over time
What we’re looking for:
To succeed in this role, you’ll have:
- 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 and when simpler engineering is better
- Strong backend skills, including databases, API design, performance, background jobs, and security
- Ability to break down ambiguous problems into clear technical solutions
- CI/CD, background jobs, or AWS experience
- Experience with text\-processing, localization, translation, or multilingual products
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.
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