via indeed · 3 de junho de 2026 ·há 2 dias

AI Engineer - Ruby on Rails

OnTheGoSystems
Lisboa Tempo inteiro Remote
Mais 197 vagas em Lisboa.
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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

Requirements

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

Nice to have:
  • CI/CD, background jobs, or AWS experience

  • Experience with text\-processing, localization, translation, or multilingual products

Benefits

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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O mercado para este tipo de cargo

Vagas similares
197
vagas de Engenharia em Lisboa
Tempo integral
94%
das vagas de Engenharia em Portugal
Remoto possível
23%
das vagas de Engenharia
OnTheGoSystems

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📊 Engenharia · Portugal
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