Senior Ruby on Rails Developer (LLM)

• Skills: React.js, AWS, CI/CD, Web security, Large Language Models, Ruby, WordPress, Ruby on Rails
• Experiences: Senior
• Employments: Full-time
• Benefits: Async collaboration, Distributed team, Flexible working hours
• Locations: Europe (Remote), Portugal (Remote), Spain (Remote)

Description:

• Seeking a senior Ruby on Rails developer to build reliable, scalable products and apply AI/LLM technologies.
• Hands-on role involving ownership of complex features, backend architecture, production systems, testing, and AI-assisted development.

Requirements:

• Strong professional experience with Ruby on Rails at a senior level.
• Experience with production systems used by real customers.
• Strong backend skills: databases, API design, performance, background jobs, and security.
• Ability to break down ambiguous problems and propose practical solutions.
• Hands-on interest or experience with AI/LLM technologies.
• Good judgment on when to use AI versus simpler solutions.
• Strong testing habits and commitment to long-term code quality.
• Responsible, curious, and flexible mindset.
• Nice to have: Experience with React, CI/CD, AWS, AI-powered features, embeddings, text-processing, and multilingual products.

Benefits:

• Stable, self-funded company founded in 2007, profitable and independent.
• Industry leaders with the #1 multilingual plugin for WordPress, WPML.
• Fully remote, async-friendly work environment within EMEA hours.
• Engineering-driven culture emphasizing ownership, autonomy, and thoughtful problem-solving.
• Fair compensation and great benefits supporting well-being.