Senior Ruby on Rails Engineer — Fully Remote AI Platform

Recruiter4you; Lisboa; Remote; EUR 75,000 - 105,000; Full time

Benefits offered by this job

100% remote work

Competitive salary

Company laptop

Annual company gathering

Job summary

We’re looking for an experienced Senior Ruby on Rails Engineer to join a fast-growing AI technology company behind an AI companionship platform used by millions worldwide.

You’ll work on scalable, AI-powered applications, developing new features and improving existing functionality alongside the CTO, Tech Lead and wider engineering team. This is a hands-on role for someone who enjoys coding and taking ownership in a fast-moving environment.

Qualifications

• 5+ years of commercial backend or full-stack experience.
• Strong Ruby on Rails experience, recent and in production.
• Experience scaling production apps with real users.
• Ownership of features from requirements to deployment.
• Experience in startup/scale-up, fast-paced env.
• Excellent English and ability to work with international teams.
• Comfort with uncensored NSFW content.

Responsibilities

• Design, build, and maintain scalable backend apps with Rails.
• Develop new features and improve platform functionality.
• Translate requirements into technical solutions with PMs.
• Write clean, tested production code.
• Participate in code reviews and technical decisions.
• Troubleshoot and improve performance and reliability.
• Collaborate with distributed teams.

Skills

Ruby on Rails

Backend

Production systems

Ownership

English

Distributed teams

Tools

PostgreSQL

Redis

Hotwire

Tailwind CSS

Job description

We’re looking for an experienced Senior Ruby on Rails Engineer to join a fast-growing AI technology company behind an AI companionship platform used by millions worldwide.

You’ll work on scalable, AI-powered applications, developing new features and improving existing functionality alongside the CTO, Tech Lead and wider engineering team. This is a hands-on role for someone who enjoys coding and taking ownership in a fast-moving environment.