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# Software Engineer (Ruby on Rails)

- **Company:** Everai
- **Location:** Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Code Review, PostgreSQL, Ruby on Rails, Redis, Ruby, Tailwind, Claude Code, Generative AI, Backend, HuggingFace, Machine Learning Operations, GPT
- **Published:** November 5, 2026
- **Apply:** https://startup.jobs/senior-software-engineer-ruby-on-rails-full-remote-europe-everai-ai-8679764

## About the Role

5+ years of experience:

 * As a back-end or full-stack software engineer
 * In tech scale-ups or any similarly agile and fast-paced environment
 * On large-scale products where your code was used by thousands of monthly users

Strong communication & collaborative skills (perfectly fluent in English)

Ownership and commitment - we're looking for owners, not renters

️ Doer mindset - we are moving fast and we need people who can find the right balance between software craftsmanship and velocity

User-centricity - you are proud of what you build and you share our obsession for amazing user experience

#NSFW - you are comfortable building products that are based on uncensored models and content

Bonus points

 * Past experience and/or interest in data science and generative AI (NLP, ML, MLOps, etc.)
 * Experience working with globally distributed teams

## Description

Reporting directly to our Tech Lead, you will be responsible for:

 * Interacting with the Product Manager to review project specs
 * Preparing integration plans, break-downs, and estimations
 * Hands-on code implementation, PRs, code reviews, testing, etc.

You'll be working with Michael (co-founder and CTO) along with the product team and the engineering team (web developers, SRE, data scientists).

What you will be working with

 * Ruby, Ruby on Rails (latest)
 * PostgreSQL, Redis
 * Hotwire (Turbo & Stimulus)
 * Tailwind CSS, ️ Health & Wellness Support: Monthly allowance of 100 USD for health insurance expenses & access to unlimited 1:1 sessions with psychologists and lifestyle experts through OpenUp (also available to up to three of your family members)
Co-Working Space Budget: Work from a co-working space up to twice per month (35 EUR / 40 USD per visit) to stay inspired and connected
Learning Budget: Dedicated funds to support your professional growth: courses, books, conferences, events, or certifications
Company Laptop & Equipment: Laptop provided + monitor budget up to 250 USD + keyboard/mouse/mic/headphones budget up to 150 USD
AI Tools Access: Premium access to ChatGPT, Hugging Face, Claude Code, and any other tool needed to excel at your job, power your ideas and workflows